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提交 a45ff599 编写于 作者: P Paolo Bonzini
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Merge tag 'kvm-arm-for-5.3' of... 

Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm updates for 5.3

- Add support for chained PMU counters in guests
- Improve SError handling
- Handle Neoverse N1 erratum #1349291
- Allow side-channel mitigation status to be migrated
- Standardise most AArch64 system register accesses to msr_s/mrs_s
- Fix host MPIDR corruption on 32bit
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文本差异 电子邮件补丁
.mailmap
浏览文件 @ a45ff599
......@@ -81,6 +81,7 @@ Greg Kroah-Hartman <greg@echidna.(none)>
Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman <greg@kroah.com>
Gregory CLEMENT <gregory.clement@bootlin.com> <gregory.clement@free-electrons.com>
Hanjun Guo <guohanjun@huawei.com> <hanjun.guo@linaro.org>
Henk Vergonet <Henk.Vergonet@gmail.com>
Henrik Kretzschmar <henne@nachtwindheim.de>
Henrik Rydberg <rydberg@bitmath.org>
......@@ -238,6 +239,7 @@ Vlad Dogaru <ddvlad@gmail.com> <vlad.dogaru@intel.com>
Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@virtuozzo.com>
Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@parallels.com>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Will Deacon <will@kernel.org> <will.deacon@arm.com>
Yakir Yang <kuankuan.y@gmail.com> <ykk@rock-chips.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>
......
CREDITS
浏览文件 @ a45ff599
......@@ -3364,6 +3364,14 @@ S: Braunschweiger Strasse 79
S: 31134 Hildesheim
S: Germany
N: Martin Schwidefsky
D: Martin was the most significant contributor to the initial s390
D: port of the Linux Kernel and later the maintainer of the s390
D: architecture backend for almost two decades.
D: He passed away in 2019, and will be greatly missed.
S: Germany
W: https://lwn.net/Articles/789028/
N: Marcel Selhorst
E: tpmdd@selhorst.net
D: TPM driver
......
Documentation/ABI/testing/sysfs-bus-mdio 已删除 100644 → 0
浏览文件 @ 429bb83a
What: /sys/bus/mdio_bus/devices/.../phy_id
Date: November 2012
KernelVersion: 3.8
Contact: netdev@vger.kernel.org
Description:
This attribute contains the 32-bit PHY Identifier as reported
by the device during bus enumeration, encoded in hexadecimal.
This ID is used to match the device with the appropriate
driver.
What: /sys/bus/mdio_bus/devices/.../phy_interface
Date: February 2014
KernelVersion: 3.15
Contact: netdev@vger.kernel.org
Description:
This attribute contains the PHY interface as configured by the
Ethernet driver during bus enumeration, encoded in string.
This interface mode is used to configure the Ethernet MAC with the
appropriate mode for its data lines to the PHY hardware.
What: /sys/bus/mdio_bus/devices/.../phy_has_fixups
Date: February 2014
KernelVersion: 3.15
Contact: netdev@vger.kernel.org
Description:
This attribute contains the boolean value whether a given PHY
device has had any "fixup" workaround running on it, encoded as
a boolean. This information is provided to help troubleshooting
PHY configurations.
Documentation/ABI/testing/sysfs-bus-siox
浏览文件 @ a45ff599
What: /sys/bus/siox/devices/siox-X/active
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
On reading represents the current state of the bus. If it
contains a "0" the bus is stopped and connected devices are
......@@ -12,7 +12,7 @@ Description:
What: /sys/bus/siox/devices/siox-X/device_add
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Write-only file. Write
......@@ -27,13 +27,13 @@ Description:
What: /sys/bus/siox/devices/siox-X/device_remove
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Write-only file. A single write removes the last device in the siox chain.
What: /sys/bus/siox/devices/siox-X/poll_interval_ns
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Defines the interval between two poll cycles in nano seconds.
Note this is rounded to jiffies on writing. On reading the current value
......@@ -41,33 +41,33 @@ Description:
What: /sys/bus/siox/devices/siox-X-Y/connected
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value. "0" means the Yth device on siox bus X isn't "connected" i.e.
communication with it is not ensured. "1" signals a working connection.
What: /sys/bus/siox/devices/siox-X-Y/inbytes
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the inbytes value provided to siox-X/device_add
What: /sys/bus/siox/devices/siox-X-Y/status_errors
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Counts the number of time intervals when the read status byte doesn't yield the
expected value.
What: /sys/bus/siox/devices/siox-X-Y/type
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the type value provided to siox-X/device_add.
What: /sys/bus/siox/devices/siox-X-Y/watchdog
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting if the watchdog of the siox device is
active. "0" means the watchdog is not active and the device is expected to
......@@ -75,13 +75,13 @@ Description:
What: /sys/bus/siox/devices/siox-X-Y/watchdog_errors
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the number to time intervals when the
watchdog was active.
What: /sys/bus/siox/devices/siox-X-Y/outbytes
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Contact: Thorsten Scherer <t.scherer@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the outbytes value provided to siox-X/device_add.
Documentation/ABI/testing/sysfs-class-net-phydev
浏览文件 @ a45ff599
......@@ -11,24 +11,31 @@ Date: February 2014
KernelVersion: 3.15
Contact: netdev@vger.kernel.org
Description:
Boolean value indicating whether the PHY device has
any fixups registered against it (phy_register_fixup)
This attribute contains the boolean value whether a given PHY
device has had any "fixup" workaround running on it, encoded as
a boolean. This information is provided to help troubleshooting
PHY configurations.
What: /sys/class/mdio_bus/<bus>/<device>/phy_id
Date: November 2012
KernelVersion: 3.8
Contact: netdev@vger.kernel.org
Description:
32-bit hexadecimal value corresponding to the PHY device's OUI,
model and revision number.
This attribute contains the 32-bit PHY Identifier as reported
by the device during bus enumeration, encoded in hexadecimal.
This ID is used to match the device with the appropriate
driver.
What: /sys/class/mdio_bus/<bus>/<device>/phy_interface
Date: February 2014
KernelVersion: 3.15
Contact: netdev@vger.kernel.org
Description:
String value indicating the PHY interface, possible
values are:.
This attribute contains the PHY interface as configured by the
Ethernet driver during bus enumeration, encoded in string.
This interface mode is used to configure the Ethernet MAC with the
appropriate mode for its data lines to the PHY hardware.
Possible values are:
<empty> (not available), mii, gmii, sgmii, tbi, rev-mii,
rmii, rgmii, rgmii-id, rgmii-rxid, rgmii-txid, rtbi, smii
xgmii, moca, qsgmii, trgmii, 1000base-x, 2500base-x, rxaui,
......
Documentation/ABI/testing/sysfs-class-net-qmi
浏览文件 @ a45ff599
......@@ -29,7 +29,7 @@ Contact: Bjørn Mork <bjorn@mork.no>
Description:
Unsigned integer.
Write a number ranging from 1 to 127 to add a qmap mux
Write a number ranging from 1 to 254 to add a qmap mux
based network device, supported by recent Qualcomm based
modems.
......@@ -46,5 +46,5 @@ Contact: Bjørn Mork <bjorn@mork.no>
Description:
Unsigned integer.
Write a number ranging from 1 to 127 to delete a previously
Write a number ranging from 1 to 254 to delete a previously
created qmap mux based network device.
Documentation/admin-guide/cgroup-v2.rst
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......@@ -177,6 +177,15 @@ cgroup v2 currently supports the following mount options.
ignored on non-init namespace mounts. Please refer to the
Delegation section for details.
memory_localevents
Only populate memory.events with data for the current cgroup,
and not any subtrees. This is legacy behaviour, the default
behaviour without this option is to include subtree counts.
This option is system wide and can only be set on mount or
modified through remount from the init namespace. The mount
option is ignored on non-init namespace mounts.
Organizing Processes and Threads
--------------------------------
......
Documentation/admin-guide/mm/index.rst
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......@@ -31,6 +31,7 @@ the Linux memory management.
ksm
memory-hotplug
numa_memory_policy
numaperf
pagemap
soft-dirty
transhuge
......
Documentation/admin-guide/mm/numaperf.rst
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......@@ -15,7 +15,7 @@ characteristics. Some memory may share the same node as a CPU, and others
are provided as memory only nodes. While memory only nodes do not provide
CPUs, they may still be local to one or more compute nodes relative to
other nodes. The following diagram shows one such example of two compute
nodes with local memory and a memory only node for each of compute node:
nodes with local memory and a memory only node for each of compute node::
+------------------+ +------------------+
| Compute Node 0 +-----+ Compute Node 1 |
......
Documentation/arm64/silicon-errata.txt
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......@@ -63,6 +63,7 @@ stable kernels.
| ARM | Cortex-A76 | #1286807 | ARM64_ERRATUM_1286807 |
| ARM | Cortex-A76 | #1463225 | ARM64_ERRATUM_1463225 |
| ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 |
| ARM | Neoverse-N1 | #1349291 | N/A |
| ARM | MMU-500 | #841119,826419 | N/A |
| | | | |
| Cavium | ThunderX ITS | #22375,24313 | CAVIUM_ERRATUM_22375 |
......
Documentation/arm64/sve.txt
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......@@ -56,6 +56,18 @@ model features for SVE is included in Appendix A.
is to connect to a target process first and then attempt a
ptrace(PTRACE_GETREGSET, pid, NT_ARM_SVE, &iov).
* Whenever SVE scalable register values (Zn, Pn, FFR) are exchanged in memory
between userspace and the kernel, the register value is encoded in memory in
an endianness-invariant layout, with bits [(8 * i + 7) : (8 * i)] encoded at
byte offset i from the start of the memory representation. This affects for
example the signal frame (struct sve_context) and ptrace interface
(struct user_sve_header) and associated data.
Beware that on big-endian systems this results in a different byte order than
for the FPSIMD V-registers, which are stored as single host-endian 128-bit
values, with bits [(127 - 8 * i) : (120 - 8 * i)] of the register encoded at
byte offset i. (struct fpsimd_context, struct user_fpsimd_state).
2. Vector length terminology
-----------------------------
......@@ -124,6 +136,10 @@ the SVE instruction set architecture.
size and layout. Macros SVE_SIG_* are defined [1] to facilitate access to
the members.
* Each scalable register (Zn, Pn, FFR) is stored in an endianness-invariant
layout, with bits [(8 * i + 7) : (8 * i)] stored at byte offset i from the
start of the register's representation in memory.
* If the SVE context is too big to fit in sigcontext.__reserved[], then extra
space is allocated on the stack, an extra_context record is written in
__reserved[] referencing this space. sve_context is then written in the
......
Documentation/block/switching-sched.txt
浏览文件 @ a45ff599
......@@ -13,11 +13,9 @@ you can do so by typing:
# mount none /sys -t sysfs
As of the Linux 2.6.10 kernel, it is now possible to change the
IO scheduler for a given block device on the fly (thus making it possible,
for instance, to set the CFQ scheduler for the system default, but
set a specific device to use the deadline or noop schedulers - which
can improve that device's throughput).
It is possible to change the IO scheduler for a given block device on
the fly to select one of mq-deadline, none, bfq, or kyber schedulers -
which can improve that device's throughput.
To set a specific scheduler, simply do this:
......@@ -30,8 +28,8 @@ The list of defined schedulers can be found by simply doing
a "cat /sys/block/DEV/queue/scheduler" - the list of valid names
will be displayed, with the currently selected scheduler in brackets:
# cat /sys/block/hda/queue/scheduler
noop deadline [cfq]
# echo deadline > /sys/block/hda/queue/scheduler
# cat /sys/block/hda/queue/scheduler
noop [deadline] cfq
# cat /sys/block/sda/queue/scheduler
[mq-deadline] kyber bfq none
# echo none >/sys/block/sda/queue/scheduler
# cat /sys/block/sda/queue/scheduler
[none] mq-deadline kyber bfq
Documentation/cgroup-v1/blkio-controller.txt
浏览文件 @ a45ff599
......@@ -8,61 +8,13 @@ both at leaf nodes as well as at intermediate nodes in a storage hierarchy.
Plan is to use the same cgroup based management interface for blkio controller
and based on user options switch IO policies in the background.
Currently two IO control policies are implemented. First one is proportional
weight time based division of disk policy. It is implemented in CFQ. Hence
this policy takes effect only on leaf nodes when CFQ is being used. The second
one is throttling policy which can be used to specify upper IO rate limits
on devices. This policy is implemented in generic block layer and can be
used on leaf nodes as well as higher level logical devices like device mapper.
One IO control policy is throttling policy which can be used to
specify upper IO rate limits on devices. This policy is implemented in
generic block layer and can be used on leaf nodes as well as higher
level logical devices like device mapper.
HOWTO
=====
Proportional Weight division of bandwidth
-----------------------------------------
You can do a very simple testing of running two dd threads in two different
cgroups. Here is what you can do.
- Enable Block IO controller
CONFIG_BLK_CGROUP=y
- Enable group scheduling in CFQ
CONFIG_CFQ_GROUP_IOSCHED=y
- Compile and boot into kernel and mount IO controller (blkio); see
cgroups.txt, Why are cgroups needed?.
mount -t tmpfs cgroup_root /sys/fs/cgroup
mkdir /sys/fs/cgroup/blkio
mount -t cgroup -o blkio none /sys/fs/cgroup/blkio
- Create two cgroups
mkdir -p /sys/fs/cgroup/blkio/test1/ /sys/fs/cgroup/blkio/test2
- Set weights of group test1 and test2
echo 1000 > /sys/fs/cgroup/blkio/test1/blkio.weight
echo 500 > /sys/fs/cgroup/blkio/test2/blkio.weight
- Create two same size files (say 512MB each) on same disk (file1, file2) and
launch two dd threads in different cgroup to read those files.
sync
echo 3 > /proc/sys/vm/drop_caches
dd if=/mnt/sdb/zerofile1 of=/dev/null &
echo $! > /sys/fs/cgroup/blkio/test1/tasks
cat /sys/fs/cgroup/blkio/test1/tasks
dd if=/mnt/sdb/zerofile2 of=/dev/null &
echo $! > /sys/fs/cgroup/blkio/test2/tasks
cat /sys/fs/cgroup/blkio/test2/tasks
- At macro level, first dd should finish first. To get more precise data, keep
on looking at (with the help of script), at blkio.disk_time and
blkio.disk_sectors files of both test1 and test2 groups. This will tell how
much disk time (in milliseconds), each group got and how many sectors each
group dispatched to the disk. We provide fairness in terms of disk time, so
ideally io.disk_time of cgroups should be in proportion to the weight.
Throttling/Upper Limit policy
-----------------------------
- Enable Block IO controller
......@@ -94,7 +46,7 @@ Throttling/Upper Limit policy
Hierarchical Cgroups
====================
Both CFQ and throttling implement hierarchy support; however,
Throttling implements hierarchy support; however,
throttling's hierarchy support is enabled iff "sane_behavior" is
enabled from cgroup side, which currently is a development option and
not publicly available.
......@@ -107,9 +59,8 @@ If somebody created a hierarchy like as follows.
|
test3
CFQ by default and throttling with "sane_behavior" will handle the
hierarchy correctly. For details on CFQ hierarchy support, refer to
Documentation/block/cfq-iosched.txt. For throttling, all limits apply
Throttling with "sane_behavior" will handle the
hierarchy correctly. For throttling, all limits apply
to the whole subtree while all statistics are local to the IOs
directly generated by tasks in that cgroup.
......@@ -130,10 +81,6 @@ CONFIG_DEBUG_BLK_CGROUP
- Debug help. Right now some additional stats file show up in cgroup
if this option is enabled.
CONFIG_CFQ_GROUP_IOSCHED
- Enables group scheduling in CFQ. Currently only 1 level of group
creation is allowed.
CONFIG_BLK_DEV_THROTTLING
- Enable block device throttling support in block layer.
......@@ -344,32 +291,3 @@ Common files among various policies
- blkio.reset_stats
- Writing an int to this file will result in resetting all the stats
for that cgroup.
CFQ sysfs tunable
=================
/sys/block/<disk>/queue/iosched/slice_idle
------------------------------------------
On a faster hardware CFQ can be slow, especially with sequential workload.
This happens because CFQ idles on a single queue and single queue might not
drive deeper request queue depths to keep the storage busy. In such scenarios
one can try setting slice_idle=0 and that would switch CFQ to IOPS
(IO operations per second) mode on NCQ supporting hardware.
That means CFQ will not idle between cfq queues of a cfq group and hence be
able to driver higher queue depth and achieve better throughput. That also
means that cfq provides fairness among groups in terms of IOPS and not in
terms of disk time.
/sys/block/<disk>/queue/iosched/group_idle
------------------------------------------
If one disables idling on individual cfq queues and cfq service trees by
setting slice_idle=0, group_idle kicks in. That means CFQ will still idle
on the group in an attempt to provide fairness among groups.
By default group_idle is same as slice_idle and does not do anything if
slice_idle is enabled.
One can experience an overall throughput drop if you have created multiple
groups and put applications in that group which are not driving enough
IO to keep disk busy. In that case set group_idle=0, and CFQ will not idle
on individual groups and throughput should improve.
Documentation/cgroup-v1/hugetlb.txt
浏览文件 @ a45ff599
......@@ -32,14 +32,18 @@ Brief summary of control files
hugetlb.<hugepagesize>.usage_in_bytes # show current usage for "hugepagesize" hugetlb
hugetlb.<hugepagesize>.failcnt # show the number of allocation failure due to HugeTLB limit
For a system supporting two hugepage size (16M and 16G) the control
For a system supporting three hugepage sizes (64k, 32M and 1G), the control
files include:
hugetlb.16GB.limit_in_bytes
hugetlb.16GB.max_usage_in_bytes
hugetlb.16GB.usage_in_bytes
hugetlb.16GB.failcnt
hugetlb.16MB.limit_in_bytes
hugetlb.16MB.max_usage_in_bytes
hugetlb.16MB.usage_in_bytes
hugetlb.16MB.failcnt
hugetlb.1GB.limit_in_bytes
hugetlb.1GB.max_usage_in_bytes
hugetlb.1GB.usage_in_bytes
hugetlb.1GB.failcnt
hugetlb.64KB.limit_in_bytes
hugetlb.64KB.max_usage_in_bytes
hugetlb.64KB.usage_in_bytes
hugetlb.64KB.failcnt
hugetlb.32MB.limit_in_bytes
hugetlb.32MB.max_usage_in_bytes
hugetlb.32MB.usage_in_bytes
hugetlb.32MB.failcnt
Documentation/conf.py
浏览文件 @ a45ff599
......@@ -37,7 +37,7 @@ needs_sphinx = '1.3'
extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include', 'cdomain', 'kfigure', 'sphinx.ext.ifconfig']
# The name of the math extension changed on Sphinx 1.4
if major == 1 and minor > 3:
if (major == 1 and minor > 3) or (major > 1):
extensions.append("sphinx.ext.imgmath")
else:
extensions.append("sphinx.ext.pngmath")
......
Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt
浏览文件 @ a45ff599
......@@ -4,6 +4,7 @@ Required properties:
- compatible: Should be one of the following:
- "microchip,mcp2510" for MCP2510.
- "microchip,mcp2515" for MCP2515.
- "microchip,mcp25625" for MCP25625.
- reg: SPI chip select.
- clocks: The clock feeding the CAN controller.
- interrupts: Should contain IRQ line for the CAN controller.
......
Documentation/devicetree/bindings/riscv/cpus.yaml 0 → 100644
浏览文件 @ a45ff599
# SPDX-License-Identifier: (GPL-2.0 OR MIT)
%YAML 1.2
---
$id: http://devicetree.org/schemas/riscv/cpus.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: RISC-V bindings for 'cpus' DT nodes
maintainers:
- Paul Walmsley <paul.walmsley@sifive.com>
- Palmer Dabbelt <palmer@sifive.com>
allOf:
- $ref: /schemas/cpus.yaml#
properties:
$nodename:
const: cpus
description: Container of cpu nodes
'#address-cells':
const: 1
description: |
A single unsigned 32-bit integer uniquely identifies each RISC-V
hart in a system. (See the "reg" node under the "cpu" node,
below).
'#size-cells':
const: 0
patternProperties:
'^cpu@[0-9a-f]+$':
properties:
compatible:
type: array
items:
- enum:
- sifive,rocket0
- sifive,e5
- sifive,e51
- sifive,u54-mc
- sifive,u54
- sifive,u5
- const: riscv
description:
Identifies that the hart uses the RISC-V instruction set
and identifies the type of the hart.
mmu-type:
allOf:
- $ref: "/schemas/types.yaml#/definitions/string"
- enum:
- riscv,sv32
- riscv,sv39
- riscv,sv48
description:
Identifies the MMU address translation mode used on this
hart. These values originate from the RISC-V Privileged
Specification document, available from
https://riscv.org/specifications/
riscv,isa:
allOf:
- $ref: "/schemas/types.yaml#/definitions/string"
- enum:
- rv64imac
- rv64imafdc
description:
Identifies the specific RISC-V instruction set architecture
supported by the hart. These are documented in the RISC-V
User-Level ISA document, available from
https://riscv.org/specifications/
timebase-frequency:
type: integer
minimum: 1
description:
Specifies the clock frequency of the system timer in Hz.
This value is common to all harts on a single system image.
interrupt-controller:
type: object
description: Describes the CPU's local interrupt controller
properties:
'#interrupt-cells':
const: 1
compatible:
const: riscv,cpu-intc
interrupt-controller: true
required:
- '#interrupt-cells'
- compatible
- interrupt-controller
required:
- riscv,isa
- timebase-frequency
- interrupt-controller
examples:
- |
// Example 1: SiFive Freedom U540G Development Kit
cpus {
#address-cells = <1>;
#size-cells = <0>;
timebase-frequency = <1000000>;
cpu@0 {
clock-frequency = <0>;
compatible = "sifive,rocket0", "riscv";
device_type = "cpu";
i-cache-block-size = <64>;
i-cache-sets = <128>;
i-cache-size = <16384>;
reg = <0>;
riscv,isa = "rv64imac";
cpu_intc0: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
interrupt-controller;
};
};
cpu@1 {
clock-frequency = <0>;
compatible = "sifive,rocket0", "riscv";
d-cache-block-size = <64>;
d-cache-sets = <64>;
d-cache-size = <32768>;
d-tlb-sets = <1>;
d-tlb-size = <32>;
device_type = "cpu";
i-cache-block-size = <64>;
i-cache-sets = <64>;
i-cache-size = <32768>;
i-tlb-sets = <1>;
i-tlb-size = <32>;
mmu-type = "riscv,sv39";
reg = <1>;
riscv,isa = "rv64imafdc";
tlb-split;
cpu_intc1: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
interrupt-controller;
};
};
};
- |
// Example 2: Spike ISA Simulator with 1 Hart
cpus {
cpu@0 {
device_type = "cpu";
reg = <0>;
compatible = "riscv";
riscv,isa = "rv64imafdc";
mmu-type = "riscv,sv48";
interrupt-controller {
#interrupt-cells = <1>;
interrupt-controller;
compatible = "riscv,cpu-intc";
};
};
};
...
Documentation/devicetree/bindings/riscv/sifive.yaml 0 → 100644
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# SPDX-License-Identifier: (GPL-2.0 OR MIT)
%YAML 1.2
---
$id: http://devicetree.org/schemas/riscv/sifive.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SiFive SoC-based boards
maintainers:
- Paul Walmsley <paul.walmsley@sifive.com>
- Palmer Dabbelt <palmer@sifive.com>
description:
SiFive SoC-based boards
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- sifive,freedom-unleashed-a00
- const: sifive,fu540-c000
- const: sifive,fu540
...
Documentation/driver-api/uio-howto.rst
浏览文件 @ a45ff599
......@@ -276,8 +276,8 @@ fields of ``struct uio_mem``:
- ``int memtype``: Required if the mapping is used. Set this to
``UIO_MEM_PHYS`` if you you have physical memory on your card to be
mapped. Use ``UIO_MEM_LOGICAL`` for logical memory (e.g. allocated
with :c:func:`kmalloc()`). There's also ``UIO_MEM_VIRTUAL`` for
virtual memory.
with :c:func:`__get_free_pages()` but not kmalloc()). There's also
``UIO_MEM_VIRTUAL`` for virtual memory.
- ``phys_addr_t addr``: Required if the mapping is used. Fill in the
address of your memory block. This address is the one that appears in
......
Documentation/fb/fbcon.txt
浏览文件 @ a45ff599
......@@ -79,7 +79,7 @@ C. Boot options
Select the initial font to use. The value 'name' can be any of the
compiled-in fonts: 10x18, 6x10, 7x14, Acorn8x8, MINI4x6,
PEARL8x8, ProFont6x11, SUN12x22, SUN8x16, VGA8x16, VGA8x8.
PEARL8x8, ProFont6x11, SUN12x22, SUN8x16, TER16x32, VGA8x16, VGA8x8.
Note, not all drivers can handle font with widths not divisible by 8,
such as vga16fb.
......
Documentation/filesystems/overlayfs.txt
浏览文件 @ a45ff599
......@@ -336,8 +336,20 @@ the copied layers will fail the verification of the lower root file handle.
Non-standard behavior
---------------------
Overlayfs can now act as a POSIX compliant filesystem with the following
features turned on:
Current version of overlayfs can act as a mostly POSIX compliant
filesystem.
This is the list of cases that overlayfs doesn't currently handle:
a) POSIX mandates updating st_atime for reads. This is currently not
done in the case when the file resides on a lower layer.
b) If a file residing on a lower layer is opened for read-only and then
memory mapped with MAP_SHARED, then subsequent changes to the file are not
reflected in the memory mapping.
The following options allow overlayfs to act more like a standards
compliant filesystem:
1) "redirect_dir"
......
Documentation/firmware-guide/acpi/enumeration.rst
浏览文件 @ a45ff599
......@@ -423,7 +423,7 @@ will be enumerated to depends on the device ID returned by _HID.
For example, the following ACPI sample might be used to enumerate an lm75-type
I2C temperature sensor and match it to the driver using the Device Tree
namespace link:
namespace link::
Device (TMP0)
{
......
Documentation/networking/af_xdp.rst
浏览文件 @ a45ff599
......@@ -316,16 +316,16 @@ A: When a netdev of a physical NIC is initialized, Linux usually
all the traffic, you can force the netdev to only have 1 queue, queue
id 0, and then bind to queue 0. You can use ethtool to do this::
sudo ethtool -L <interface> combined 1
sudo ethtool -L <interface> combined 1
If you want to only see part of the traffic, you can program the
NIC through ethtool to filter out your traffic to a single queue id
that you can bind your XDP socket to. Here is one example in which
UDP traffic to and from port 4242 are sent to queue 2::
sudo ethtool -N <interface> rx-flow-hash udp4 fn
sudo ethtool -N <interface> flow-type udp4 src-port 4242 dst-port \
4242 action 2
sudo ethtool -N <interface> rx-flow-hash udp4 fn
sudo ethtool -N <interface> flow-type udp4 src-port 4242 dst-port \
4242 action 2
A number of other ways are possible all up to the capabilitites of
the NIC you have.
......
Documentation/networking/device_drivers/index.rst 0 → 100644
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.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
Vendor Device Drivers
=====================
Contents:
.. toctree::
:maxdepth: 2
freescale/dpaa2/index
intel/e100
intel/e1000
intel/e1000e
intel/fm10k
intel/igb
intel/igbvf
intel/ixgb
intel/ixgbe
intel/ixgbevf
intel/i40e
intel/iavf
intel/ice
.. only:: subproject
Indices
=======
* :ref:`genindex`
Documentation/networking/index.rst
浏览文件 @ a45ff599
......@@ -11,19 +11,7 @@ Contents:
batman-adv
can
can_ucan_protocol
device_drivers/freescale/dpaa2/index
device_drivers/intel/e100
device_drivers/intel/e1000
device_drivers/intel/e1000e
device_drivers/intel/fm10k
device_drivers/intel/igb
device_drivers/intel/igbvf
device_drivers/intel/ixgb
device_drivers/intel/ixgbe
device_drivers/intel/ixgbevf
device_drivers/intel/i40e
device_drivers/intel/iavf
device_drivers/intel/ice
device_drivers/index
dsa/index
devlink-info-versions
ieee802154
......@@ -40,6 +28,8 @@ Contents:
checksum-offloads
segmentation-offloads
scaling
tls
tls-offload
.. only:: subproject
......
Documentation/networking/ip-sysctl.txt
浏览文件 @ a45ff599
......@@ -255,6 +255,14 @@ tcp_base_mss - INTEGER
Path MTU discovery (MTU probing). If MTU probing is enabled,
this is the initial MSS used by the connection.
tcp_min_snd_mss - INTEGER
TCP SYN and SYNACK messages usually advertise an ADVMSS option,
as described in RFC 1122 and RFC 6691.
If this ADVMSS option is smaller than tcp_min_snd_mss,
it is silently capped to tcp_min_snd_mss.
Default : 48 (at least 8 bytes of payload per segment)
tcp_congestion_control - STRING
Set the congestion control algorithm to be used for new
connections. The algorithm "reno" is always available, but
......@@ -772,6 +780,14 @@ tcp_challenge_ack_limit - INTEGER
in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
Default: 100
tcp_rx_skb_cache - BOOLEAN
Controls a per TCP socket cache of one skb, that might help
performance of some workloads. This might be dangerous
on systems with a lot of TCP sockets, since it increases
memory usage.
Default: 0 (disabled)
UDP variables:
udp_l3mdev_accept - BOOLEAN
......
Documentation/networking/rds.txt
浏览文件 @ a45ff599
......@@ -389,7 +389,7 @@ Multipath RDS (mprds)
a common (to all paths) part, and a per-path struct rds_conn_path. All
I/O workqs and reconnect threads are driven from the rds_conn_path.
Transports such as TCP that are multipath capable may then set up a
TPC socket per rds_conn_path, and this is managed by the transport via
TCP socket per rds_conn_path, and this is managed by the transport via
the transport privatee cp_transport_data pointer.
Transports announce themselves as multipath capable by setting the
......
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此差异已折叠。
Documentation/networking/tls-offload-reorder-bad.svg 0 → 100644
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Documentation/networking/tls-offload.rst 0 → 100644
浏览文件 @ a45ff599
此差异已折叠。
Documentation/networking/tls.txt → Documentation/networking/tls.rst
浏览文件 @ a45ff599
.. _kernel_tls:
==========
Kernel TLS
==========
Overview
========
......@@ -12,6 +18,8 @@ Creating a TLS connection
First create a new TCP socket and set the TLS ULP.
.. code-block:: c
sock = socket(AF_INET, SOCK_STREAM, 0);
setsockopt(sock, SOL_TCP, TCP_ULP, "tls", sizeof("tls"));
......@@ -21,6 +29,8 @@ handshake is complete, we have all the parameters required to move the
data-path to the kernel. There is a separate socket option for moving
the transmit and the receive into the kernel.
.. code-block:: c
/* From linux/tls.h */
struct tls_crypto_info {
unsigned short version;
......@@ -58,6 +68,8 @@ After setting the TLS_TX socket option all application data sent over this
socket is encrypted using TLS and the parameters provided in the socket option.
For example, we can send an encrypted hello world record as follows:
.. code-block:: c
const char *msg = "hello world\n";
send(sock, msg, strlen(msg));
......@@ -67,6 +79,8 @@ to the encrypted kernel send buffer if possible.
The sendfile system call will send the file's data over TLS records of maximum
length (2^14).
.. code-block:: c
file = open(filename, O_RDONLY);
fstat(file, &stat);
sendfile(sock, file, &offset, stat.st_size);
......@@ -89,6 +103,8 @@ After setting the TLS_RX socket option, all recv family socket calls
are decrypted using TLS parameters provided. A full TLS record must
be received before decryption can happen.
.. code-block:: c
char buffer[16384];
recv(sock, buffer, 16384);
......@@ -97,12 +113,12 @@ large enough, and no additional allocations occur. If the userspace
buffer is too small, data is decrypted in the kernel and copied to
userspace.
EINVAL is returned if the TLS version in the received message does not
``EINVAL`` is returned if the TLS version in the received message does not
match the version passed in setsockopt.
EMSGSIZE is returned if the received message is too big.
``EMSGSIZE`` is returned if the received message is too big.
EBADMSG is returned if decryption failed for any other reason.
``EBADMSG`` is returned if decryption failed for any other reason.
Send TLS control messages
-------------------------
......@@ -113,9 +129,11 @@ These messages can be sent over the socket by providing the TLS record type
via a CMSG. For example the following function sends @data of @length bytes
using a record of type @record_type.
/* send TLS control message using record_type */
.. code-block:: c
/* send TLS control message using record_type */
static int klts_send_ctrl_message(int sock, unsigned char record_type,
void *data, size_t length)
void *data, size_t length)
{
struct msghdr msg = {0};
int cmsg_len = sizeof(record_type);
......@@ -151,6 +169,8 @@ type passed via cmsg. If no cmsg buffer is provided, an error is
returned if a control message is received. Data messages may be
received without a cmsg buffer set.
.. code-block:: c
char buffer[16384];
char cmsg[CMSG_SPACE(sizeof(unsigned char))];
struct msghdr msg = {0};
......@@ -186,12 +206,10 @@ Integrating in to userspace TLS library
At a high level, the kernel TLS ULP is a replacement for the record
layer of a userspace TLS library.
A patchset to OpenSSL to use ktls as the record layer is here:
https://github.com/Mellanox/openssl/commits/tls_rx2
An example of calling send directly after a handshake using
gnutls. Since it doesn't implement a full record layer, control
messages are not supported:
A patchset to OpenSSL to use ktls as the record layer is
`here <https://github.com/Mellanox/openssl/commits/tls_rx2>`_.
https://github.com/ktls/af_ktls-tool/commits/RX
`An example <https://github.com/ktls/af_ktls-tool/commits/RX>`_
of calling send directly after a handshake using gnutls.
Since it doesn't implement a full record layer, control
messages are not supported.
Documentation/sphinx/kerneldoc.py
浏览文件 @ a45ff599
......@@ -37,7 +37,19 @@ import glob
from docutils import nodes, statemachine
from docutils.statemachine import ViewList
from docutils.parsers.rst import directives, Directive
from sphinx.ext.autodoc import AutodocReporter
#
# AutodocReporter is only good up to Sphinx 1.7
#
import sphinx
Use_SSI = sphinx.__version__[:3] >= '1.7'
if Use_SSI:
from sphinx.util.docutils import switch_source_input
else:
from sphinx.ext.autodoc import AutodocReporter
import kernellog
__version__ = '1.0'
......@@ -90,7 +102,8 @@ class KernelDocDirective(Directive):
cmd += [filename]
try:
env.app.verbose('calling kernel-doc \'%s\'' % (" ".join(cmd)))
kernellog.verbose(env.app,
'calling kernel-doc \'%s\'' % (" ".join(cmd)))
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
......@@ -100,7 +113,8 @@ class KernelDocDirective(Directive):
if p.returncode != 0:
sys.stderr.write(err)
env.app.warn('kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode))
kernellog.warn(env.app,
'kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode))
return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
elif env.config.kerneldoc_verbosity > 0:
sys.stderr.write(err)
......@@ -121,20 +135,28 @@ class KernelDocDirective(Directive):
lineoffset += 1
node = nodes.section()
buf = self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter
self.do_parse(result, node)
return node.children
except Exception as e: # pylint: disable=W0703
kernellog.warn(env.app, 'kernel-doc \'%s\' processing failed with: %s' %
(" ".join(cmd), str(e)))
return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
def do_parse(self, result, node):
if Use_SSI:
with switch_source_input(self.state, result):
self.state.nested_parse(result, 0, node, match_titles=1)
else:
save = self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter
self.state.memo.reporter = AutodocReporter(result, self.state.memo.reporter)
self.state.memo.title_styles, self.state.memo.section_level = [], 0
try:
self.state.nested_parse(result, 0, node, match_titles=1)
finally:
self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter = buf
self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter = save
return node.children
except Exception as e: # pylint: disable=W0703
env.app.warn('kernel-doc \'%s\' processing failed with: %s' %
(" ".join(cmd), str(e)))
return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
def setup(app):
app.add_config_value('kerneldoc_bin', None, 'env')
......
Documentation/sphinx/kernellog.py 0 → 100644
浏览文件 @ a45ff599
# SPDX-License-Identifier: GPL-2.0
#
# Sphinx has deprecated its older logging interface, but the replacement
# only goes back to 1.6. So here's a wrapper layer to keep around for
# as long as we support 1.4.
#
import sphinx
if sphinx.__version__[:3] >= '1.6':
UseLogging = True
from sphinx.util import logging
logger = logging.getLogger('kerneldoc')
else:
UseLogging = False
def warn(app, message):
if UseLogging:
logger.warning(message)
else:
app.warn(message)
def verbose(app, message):
if UseLogging:
logger.verbose(message)
else:
app.verbose(message)
Documentation/sphinx/kfigure.py
浏览文件 @ a45ff599
......@@ -60,6 +60,8 @@ import sphinx
from sphinx.util.nodes import clean_astext
from six import iteritems
import kernellog
PY3 = sys.version_info[0] == 3
if PY3:
......@@ -171,20 +173,20 @@ def setupTools(app):
This function is called once, when the builder is initiated.
"""
global dot_cmd, convert_cmd # pylint: disable=W0603
app.verbose("kfigure: check installed tools ...")
kernellog.verbose(app, "kfigure: check installed tools ...")
dot_cmd = which('dot')
convert_cmd = which('convert')
if dot_cmd:
app.verbose("use dot(1) from: " + dot_cmd)
kernellog.verbose(app, "use dot(1) from: " + dot_cmd)
else:
app.warn("dot(1) not found, for better output quality install "
"graphviz from http://www.graphviz.org")
kernellog.warn(app, "dot(1) not found, for better output quality install "
"graphviz from http://www.graphviz.org")
if convert_cmd:
app.verbose("use convert(1) from: " + convert_cmd)
kernellog.verbose(app, "use convert(1) from: " + convert_cmd)
else:
app.warn(
kernellog.warn(app,
"convert(1) not found, for SVG to PDF conversion install "
"ImageMagick (https://www.imagemagick.org)")
......@@ -220,12 +222,13 @@ def convert_image(img_node, translator, src_fname=None):
# in kernel builds, use 'make SPHINXOPTS=-v' to see verbose messages
app.verbose('assert best format for: ' + img_node['uri'])
kernellog.verbose(app, 'assert best format for: ' + img_node['uri'])
if in_ext == '.dot':
if not dot_cmd:
app.verbose("dot from graphviz not available / include DOT raw.")
kernellog.verbose(app,
"dot from graphviz not available / include DOT raw.")
img_node.replace_self(file2literal(src_fname))
elif translator.builder.format == 'latex':
......@@ -252,7 +255,8 @@ def convert_image(img_node, translator, src_fname=None):
if translator.builder.format == 'latex':
if convert_cmd is None:
app.verbose("no SVG to PDF conversion available / include SVG raw.")
kernellog.verbose(app,
"no SVG to PDF conversion available / include SVG raw.")
img_node.replace_self(file2literal(src_fname))
else:
dst_fname = path.join(translator.builder.outdir, fname + '.pdf')
......@@ -265,18 +269,19 @@ def convert_image(img_node, translator, src_fname=None):
_name = dst_fname[len(translator.builder.outdir) + 1:]
if isNewer(dst_fname, src_fname):
app.verbose("convert: {out}/%s already exists and is newer" % _name)
kernellog.verbose(app,
"convert: {out}/%s already exists and is newer" % _name)
else:
ok = False
mkdir(path.dirname(dst_fname))
if in_ext == '.dot':
app.verbose('convert DOT to: {out}/' + _name)
kernellog.verbose(app, 'convert DOT to: {out}/' + _name)
ok = dot2format(app, src_fname, dst_fname)
elif in_ext == '.svg':
app.verbose('convert SVG to: {out}/' + _name)
kernellog.verbose(app, 'convert SVG to: {out}/' + _name)
ok = svg2pdf(app, src_fname, dst_fname)
if not ok:
......@@ -305,7 +310,8 @@ def dot2format(app, dot_fname, out_fname):
with open(out_fname, "w") as out:
exit_code = subprocess.call(cmd, stdout = out)
if exit_code != 0:
app.warn("Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
kernellog.warn(app,
"Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
return bool(exit_code == 0)
def svg2pdf(app, svg_fname, pdf_fname):
......@@ -322,7 +328,7 @@ def svg2pdf(app, svg_fname, pdf_fname):
# use stdout and stderr from parent
exit_code = subprocess.call(cmd)
if exit_code != 0:
app.warn("Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
kernellog.warn(app, "Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
return bool(exit_code == 0)
......@@ -415,15 +421,15 @@ def visit_kernel_render(self, node):
app = self.builder.app
srclang = node.get('srclang')
app.verbose('visit kernel-render node lang: "%s"' % (srclang))
kernellog.verbose(app, 'visit kernel-render node lang: "%s"' % (srclang))
tmp_ext = RENDER_MARKUP_EXT.get(srclang, None)
if tmp_ext is None:
app.warn('kernel-render: "%s" unknown / include raw.' % (srclang))
kernellog.warn(app, 'kernel-render: "%s" unknown / include raw.' % (srclang))
return
if not dot_cmd and tmp_ext == '.dot':
app.verbose("dot from graphviz not available / include raw.")
kernellog.verbose(app, "dot from graphviz not available / include raw.")
return
literal_block = node[0]
......
Documentation/usb/rio.txt
浏览文件 @ a45ff599
......@@ -76,70 +76,30 @@ Additional Information and userspace tools
Requirements
============
A host with a USB port. Ideally, either a UHCI (Intel) or OHCI
(Compaq and others) hardware port should work.
A host with a USB port running a Linux kernel with RIO 500 support enabled.
A Linux development kernel (2.3.x) with USB support enabled or a
backported version to linux-2.2.x. See http://www.linux-usb.org for
more information on accomplishing this.
The driver is a module called rio500, which should be automatically loaded
as you plug in your device. If that fails you can manually load it with
A Linux kernel with RIO 500 support enabled.
modprobe rio500
'lspci' which is only needed to determine the type of USB hardware
available in your machine.
Configuration
Using `lspci -v`, determine the type of USB hardware available.
If you see something like::
USB Controller: ......
Flags: .....
I/O ports at ....
Then you have a UHCI based controller.
If you see something like::
USB Controller: .....
Flags: ....
Memory at .....
Then you have a OHCI based controller.
Using `make menuconfig` or your preferred method for configuring the
kernel, select 'Support for USB', 'OHCI/UHCI' depending on your
hardware (determined from the steps above), 'USB Diamond Rio500 support', and
'Preliminary USB device filesystem'. Compile and install the modules
(you may need to execute `depmod -a` to update the module
dependencies).
Add a device for the USB rio500::
Udev should automatically create a device node as soon as plug in your device.
If that fails, you can manually add a device for the USB rio500::
mknod /dev/usb/rio500 c 180 64
Set appropriate permissions for /dev/usb/rio500 (don't forget about
group and world permissions). Both read and write permissions are
In that case, set appropriate permissions for /dev/usb/rio500 (don't forget
about group and world permissions). Both read and write permissions are
required for proper operation.
Load the appropriate modules (if compiled as modules):
OHCI::
modprobe usbcore
modprobe usb-ohci
modprobe rio500
UHCI::
modprobe usbcore
modprobe usb-uhci (or uhci)
modprobe rio500
That's it. The Rio500 Utils at: http://rio500.sourceforge.net should
be able to access the rio500.
Limits
======
You can use only a single rio500 device at a time with your computer.
Bugs
====
......
Documentation/virtual/kvm/api.txt
浏览文件 @ a45ff599
......@@ -1079,7 +1079,7 @@ yet and must be cleared on entry.
4.35 KVM_SET_USER_MEMORY_REGION
Capability: KVM_CAP_USER_MEM
Capability: KVM_CAP_USER_MEMORY
Architectures: all
Type: vm ioctl
Parameters: struct kvm_userspace_memory_region (in)
......@@ -3857,43 +3857,59 @@ Type: vcpu ioctl
Parameters: struct kvm_nested_state (in/out)
Returns: 0 on success, -1 on error
Errors:
E2BIG: the total state size (including the fixed-size part of struct
kvm_nested_state) exceeds the value of 'size' specified by
E2BIG: the total state size exceeds the value of 'size' specified by
the user; the size required will be written into size.
struct kvm_nested_state {
__u16 flags;
__u16 format;
__u32 size;
union {
struct kvm_vmx_nested_state vmx;
struct kvm_svm_nested_state svm;
struct kvm_vmx_nested_state_hdr vmx;
struct kvm_svm_nested_state_hdr svm;
/* Pad the header to 128 bytes. */
__u8 pad[120];
};
__u8 data[0];
} hdr;
union {
struct kvm_vmx_nested_state_data vmx[0];
struct kvm_svm_nested_state_data svm[0];
} data;
};
#define KVM_STATE_NESTED_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_RUN_PENDING 0x00000002
#define KVM_STATE_NESTED_EVMCS 0x00000004
#define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_SMM_VMXON 0x00000002
#define KVM_STATE_NESTED_FORMAT_VMX 0
#define KVM_STATE_NESTED_FORMAT_SVM 1
struct kvm_vmx_nested_state {
#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000
#define KVM_STATE_NESTED_VMX_SMM_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_VMX_SMM_VMXON 0x00000002
struct kvm_vmx_nested_state_hdr {
__u64 vmxon_pa;
__u64 vmcs_pa;
__u64 vmcs12_pa;
struct {
__u16 flags;
} smm;
};
struct kvm_vmx_nested_state_data {
__u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
__u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
};
This ioctl copies the vcpu's nested virtualization state from the kernel to
userspace.
The maximum size of the state, including the fixed-size part of struct
kvm_nested_state, can be retrieved by passing KVM_CAP_NESTED_STATE to
the KVM_CHECK_EXTENSION ioctl().
The maximum size of the state can be retrieved by passing KVM_CAP_NESTED_STATE
to the KVM_CHECK_EXTENSION ioctl().
4.115 KVM_SET_NESTED_STATE
......@@ -3903,8 +3919,8 @@ Type: vcpu ioctl
Parameters: struct kvm_nested_state (in)
Returns: 0 on success, -1 on error
This copies the vcpu's kvm_nested_state struct from userspace to the kernel. For
the definition of struct kvm_nested_state, see KVM_GET_NESTED_STATE.
This copies the vcpu's kvm_nested_state struct from userspace to the kernel.
For the definition of struct kvm_nested_state, see KVM_GET_NESTED_STATE.
4.116 KVM_(UN)REGISTER_COALESCED_MMIO
......
Documentation/virtual/kvm/arm/psci.txt
浏览文件 @ a45ff599
......@@ -28,3 +28,34 @@ The following register is defined:
- Allows any PSCI version implemented by KVM and compatible with
v0.2 to be set with SET_ONE_REG
- Affects the whole VM (even if the register view is per-vcpu)
* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1:
Holds the state of the firmware support to mitigate CVE-2017-5715, as
offered by KVM to the guest via a HVC call. The workaround is described
under SMCCC_ARCH_WORKAROUND_1 in [1].
Accepted values are:
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL: KVM does not offer
firmware support for the workaround. The mitigation status for the
guest is unknown.
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL: The workaround HVC call is
available to the guest and required for the mitigation.
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED: The workaround HVC call
is available to the guest, but it is not needed on this VCPU.
* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2:
Holds the state of the firmware support to mitigate CVE-2018-3639, as
offered by KVM to the guest via a HVC call. The workaround is described
under SMCCC_ARCH_WORKAROUND_2 in [1].
Accepted values are:
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL: A workaround is not
available. KVM does not offer firmware support for the workaround.
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN: The workaround state is
unknown. KVM does not offer firmware support for the workaround.
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL: The workaround is available,
and can be disabled by a vCPU. If
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED is set, it is active for
this vCPU.
KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED: The workaround is
always active on this vCPU or it is not needed.
[1] https://developer.arm.com/-/media/developer/pdf/ARM_DEN_0070A_Firmware_interfaces_for_mitigating_CVE-2017-5715.pdf
Documentation/vm/hmm.rst
浏览文件 @ a45ff599
......@@ -288,15 +288,17 @@ For instance if the device flags for device entries are:
WRITE (1 << 62)
Now let say that device driver wants to fault with at least read a range then
it does set:
range->default_flags = (1 << 63)
it does set::
range->default_flags = (1 << 63);
range->pfn_flags_mask = 0;
and calls hmm_range_fault() as described above. This will fill fault all page
in the range with at least read permission.
Now let say driver wants to do the same except for one page in the range for
which its want to have write. Now driver set:
which its want to have write. Now driver set::
range->default_flags = (1 << 63);
range->pfn_flags_mask = (1 << 62);
range->pfns[index_of_write] = (1 << 62);
......
MAINTAINERS
浏览文件 @ a45ff599
......@@ -364,7 +364,7 @@ F: drivers/acpi/fan.c
ACPI FOR ARM64 (ACPI/arm64)
M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
M: Hanjun Guo <hanjun.guo@linaro.org>
M: Hanjun Guo <guohanjun@huawei.com>
M: Sudeep Holla <sudeep.holla@arm.com>
L: linux-acpi@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
......@@ -696,6 +696,7 @@ F: drivers/input/mouse/alps.*
ALTERA I2C CONTROLLER DRIVER
M: Thor Thayer <thor.thayer@linux.intel.com>
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-altera.txt
F: drivers/i2c/busses/i2c-altera.c
ALTERA MAILBOX DRIVER
......@@ -1174,6 +1175,7 @@ S: Maintained
F: Documentation/devicetree/bindings/arm/arm-boards
F: Documentation/devicetree/bindings/auxdisplay/arm-charlcd.txt
F: Documentation/devicetree/bindings/clock/arm-integrator.txt
F: Documentation/devicetree/bindings/i2c/i2c-versatile.txt
F: Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt
F: Documentation/devicetree/bindings/mtd/arm-versatile.txt
F: arch/arm/mach-integrator/
......@@ -1233,7 +1235,7 @@ F: arch/arm/lib/floppydma.S
F: arch/arm/include/asm/floppy.h
ARM PMU PROFILING AND DEBUGGING
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
M: Mark Rutland <mark.rutland@arm.com>
S: Maintained
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
......@@ -1305,7 +1307,7 @@ F: Documentation/devicetree/bindings/interrupt-controller/arm,vic.txt
F: drivers/irqchip/irq-vic.c
ARM SMMU DRIVERS
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
R: Robin Murphy <robin.murphy@arm.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
......@@ -1781,6 +1783,7 @@ ARM/LPC18XX ARCHITECTURE
M: Vladimir Zapolskiy <vz@mleia.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-lpc2k.txt
F: arch/arm/boot/dts/lpc43*
F: drivers/i2c/busses/i2c-lpc2k.c
F: drivers/memory/pl172.c
......@@ -1794,6 +1797,7 @@ M: Sylvain Lemieux <slemieux.tyco@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://github.com/vzapolskiy/linux-lpc32xx.git
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-pnx.txt
F: arch/arm/boot/dts/lpc32*
F: arch/arm/mach-lpc32xx/
F: drivers/i2c/busses/i2c-pnx.c
......@@ -1918,6 +1922,8 @@ ARM/NOMADIK/U300/Ux500 ARCHITECTURES
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-nomadik.txt
F: Documentation/devicetree/bindings/i2c/i2c-stu300.txt
F: arch/arm/mach-nomadik/
F: arch/arm/mach-u300/
F: arch/arm/mach-ux500/
......@@ -2079,7 +2085,7 @@ F: drivers/tty/serial/msm_serial.c
F: drivers/usb/dwc3/dwc3-qcom.c
F: include/dt-bindings/*/qcom*
F: include/linux/*/qcom*
T: git git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git
ARM/RADISYS ENP2611 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
......@@ -2140,6 +2146,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-rockchip@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
F: arch/arm/boot/dts/rk3*
F: arch/arm/boot/dts/rv1108*
F: arch/arm/mach-rockchip/
......@@ -2275,6 +2282,7 @@ M: Patrice Chotard <patrice.chotard@st.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.stlinux.com
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-st.txt
F: arch/arm/mach-sti/
F: arch/arm/boot/dts/sti*
F: drivers/char/hw_random/st-rng.c
......@@ -2466,6 +2474,7 @@ ARM/VT8500 ARM ARCHITECTURE
M: Tony Prisk <linux@prisktech.co.nz>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-wmt.txt
F: arch/arm/mach-vt8500/
F: drivers/clocksource/timer-vt8500.c
F: drivers/i2c/busses/i2c-wmt.c
......@@ -2531,6 +2540,8 @@ F: drivers/cpuidle/cpuidle-zynq.c
F: drivers/block/xsysace.c
N: zynq
N: xilinx
F: Documentation/devicetree/bindings/i2c/i2c-cadence.txt
F: Documentation/devicetree/bindings/i2c/i2c-xiic.txt
F: drivers/clocksource/timer-cadence-ttc.c
F: drivers/i2c/busses/i2c-cadence.c
F: drivers/mmc/host/sdhci-of-arasan.c
......@@ -2539,7 +2550,7 @@ F: drivers/i2c/busses/i2c-xiic.c
ARM64 PORT (AARCH64 ARCHITECTURE)
M: Catalin Marinas <catalin.marinas@arm.com>
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
S: Maintained
......@@ -2723,7 +2734,7 @@ S: Maintained
F: drivers/net/wireless/atmel/atmel*
ATOMIC INFRASTRUCTURE
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
M: Peter Zijlstra <peterz@infradead.org>
R: Boqun Feng <boqun.feng@gmail.com>
L: linux-kernel@vger.kernel.org
......@@ -3049,8 +3060,9 @@ S: Maintained
F: arch/riscv/net/
BPF JIT for S390
M: Martin Schwidefsky <schwidefsky@de.ibm.com>
M: Heiko Carstens <heiko.carstens@de.ibm.com>
M: Vasily Gorbik <gor@linux.ibm.com>
M: Christian Borntraeger <borntraeger@de.ibm.com>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
S: Maintained
......@@ -3109,7 +3121,7 @@ F: arch/arm/mach-bcm/
BROADCOM BCM2835 ARM ARCHITECTURE
M: Eric Anholt <eric@anholt.net>
M: Stefan Wahren <stefan.wahren@i2se.com>
M: Stefan Wahren <wahrenst@gmx.net>
L: linux-rpi-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://github.com/anholt/linux
......@@ -6222,7 +6234,6 @@ F: include/linux/ipmi-fru.h
K: fmc_d.*register
FPGA MANAGER FRAMEWORK
M: Alan Tull <atull@kernel.org>
M: Moritz Fischer <mdf@kernel.org>
L: linux-fpga@vger.kernel.org
S: Maintained
......@@ -7341,6 +7352,7 @@ I2C MV64XXX MARVELL AND ALLWINNER DRIVER
M: Gregory CLEMENT <gregory.clement@bootlin.com>
L: linux-i2c@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
F: drivers/i2c/busses/i2c-mv64xxx.c
I2C OVER PARALLEL PORT
......@@ -8553,7 +8565,7 @@ S: Odd Fixes
KERNEL NFSD, SUNRPC, AND LOCKD SERVERS
M: "J. Bruce Fields" <bfields@fieldses.org>
M: Jeff Layton <jlayton@kernel.org>
M: Chuck Lever <chuck.lever@oracle.com>
L: linux-nfs@vger.kernel.org
W: http://nfs.sourceforge.net/
T: git git://linux-nfs.org/~bfields/linux.git
......@@ -9108,7 +9120,7 @@ F: drivers/misc/lkdtm/*
LINUX KERNEL MEMORY CONSISTENCY MODEL (LKMM)
M: Alan Stern <stern@rowland.harvard.edu>
M: Andrea Parri <andrea.parri@amarulasolutions.com>
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
M: Peter Zijlstra <peterz@infradead.org>
M: Boqun Feng <boqun.feng@gmail.com>
M: Nicholas Piggin <npiggin@gmail.com>
......@@ -9216,7 +9228,7 @@ F: Documentation/admin-guide/LSM/LoadPin.rst
LOCKING PRIMITIVES
M: Peter Zijlstra <peterz@infradead.org>
M: Ingo Molnar <mingo@redhat.com>
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
S: Maintained
......@@ -10537,7 +10549,7 @@ F: arch/arm/boot/dts/mmp*
F: arch/arm/mach-mmp/
MMU GATHER AND TLB INVALIDATION
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
M: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
M: Andrew Morton <akpm@linux-foundation.org>
M: Nick Piggin <npiggin@gmail.com>
......@@ -11724,6 +11736,7 @@ M: Peter Korsgaard <peter@korsgaard.com>
M: Andrew Lunn <andrew@lunn.ch>
L: linux-i2c@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-ocores.txt
F: Documentation/i2c/busses/i2c-ocores
F: drivers/i2c/busses/i2c-ocores.c
F: include/linux/platform_data/i2c-ocores.h
......@@ -12025,7 +12038,7 @@ S: Maintained
F: drivers/pci/controller/dwc/*layerscape*
PCI DRIVER FOR GENERIC OF HOSTS
M: Will Deacon <will.deacon@arm.com>
M: Will Deacon <will@kernel.org>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
......@@ -13043,7 +13056,6 @@ F: Documentation/devicetree/bindings/net/qcom,dwmac.txt
QUALCOMM GENERIC INTERFACE I2C DRIVER
M: Alok Chauhan <alokc@codeaurora.org>
M: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
L: linux-i2c@vger.kernel.org
L: linux-arm-msm@vger.kernel.org
S: Supported
......@@ -13363,6 +13375,7 @@ F: drivers/clk/renesas/
RENESAS EMEV2 I2C DRIVER
M: Wolfram Sang <wsa+renesas@sang-engineering.com>
S: Supported
F: Documentation/devicetree/bindings/i2c/i2c-emev2.txt
F: drivers/i2c/busses/i2c-emev2.c
RENESAS ETHERNET DRIVERS
......@@ -13384,6 +13397,8 @@ F: drivers/iio/adc/rcar-gyroadc.c
RENESAS R-CAR I2C DRIVERS
M: Wolfram Sang <wsa+renesas@sang-engineering.com>
S: Supported
F: Documentation/devicetree/bindings/i2c/i2c-rcar.txt
F: Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
F: drivers/i2c/busses/i2c-rcar.c
F: drivers/i2c/busses/i2c-sh_mobile.c
......@@ -13614,8 +13629,9 @@ S: Maintained
F: drivers/video/fbdev/savage/
S390
M: Martin Schwidefsky <schwidefsky@de.ibm.com>
M: Heiko Carstens <heiko.carstens@de.ibm.com>
M: Vasily Gorbik <gor@linux.ibm.com>
M: Christian Borntraeger <borntraeger@de.ibm.com>
L: linux-s390@vger.kernel.org
W: http://www.ibm.com/developerworks/linux/linux390/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git
......@@ -14318,6 +14334,15 @@ S: Supported
K: sifive
N: sifive
SIFIVE FU540 SYSTEM-ON-CHIP
M: Paul Walmsley <paul.walmsley@sifive.com>
M: Palmer Dabbelt <palmer@sifive.com>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pjw/sifive.git
S: Supported
K: fu540
N: fu540
SILEAD TOUCHSCREEN DRIVER
M: Hans de Goede <hdegoede@redhat.com>
L: linux-input@vger.kernel.org
......@@ -14378,7 +14403,7 @@ F: lib/test_siphash.c
F: include/linux/siphash.h
SIOX
M: Gavin Schenk <g.schenk@eckelmann.de>
M: Thorsten Scherer <t.scherer@eckelmann.de>
M: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
R: Pengutronix Kernel Team <kernel@pengutronix.de>
S: Supported
......@@ -14977,7 +15002,7 @@ S: Odd Fixes
F: drivers/net/ethernet/adaptec/starfire*
STEC S1220 SKD DRIVER
M: Bart Van Assche <bart.vanassche@wdc.com>
M: Damien Le Moal <Damien.LeMoal@wdc.com>
L: linux-block@vger.kernel.org
S: Maintained
F: drivers/block/skd*[ch]
......@@ -15672,6 +15697,7 @@ R: Bartosz Golaszewski <bgolaszewski@baylibre.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git
S: Supported
F: Documentation/devicetree/bindings/i2c/i2c-davinci.txt
F: arch/arm/mach-davinci/
F: drivers/i2c/busses/i2c-davinci.c
F: arch/arm/boot/dts/da850*
......@@ -17293,7 +17319,7 @@ F: Documentation/ABI/stable/sysfs-hypervisor-xen
F: Documentation/ABI/testing/sysfs-hypervisor-xen
XEN NETWORK BACKEND DRIVER
M: Wei Liu <wei.liu2@citrix.com>
M: Wei Liu <wei.liu@kernel.org>
M: Paul Durrant <paul.durrant@citrix.com>
L: xen-devel@lists.xenproject.org (moderated for non-subscribers)
L: netdev@vger.kernel.org
......@@ -17375,6 +17401,7 @@ M: Jan Glauber <jglauber@cavium.com>
L: linux-i2c@vger.kernel.org
W: http://www.cavium.com
S: Supported
F: Documentation/devicetree/bindings/i2c/i2c-xlp9xx.txt
F: drivers/i2c/busses/i2c-xlp9xx.c
XRA1403 GPIO EXPANDER
......
Makefile
浏览文件 @ a45ff599
......@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 2
SUBLEVEL = 0
EXTRAVERSION = -rc2
EXTRAVERSION = -rc6
NAME = Golden Lions
# *DOCUMENTATION*
......@@ -1228,9 +1228,8 @@ kselftest-clean:
PHONY += kselftest-merge
kselftest-merge:
$(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
-m $(objtree)/.config \
$(srctree)/tools/testing/selftests/*/config
$(Q)find $(srctree)/tools/testing/selftests -name config | \
xargs $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config
+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
# ---------------------------------------------------------------------------
......
arch/alpha/boot/stdio.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) Paul Mackerras 1997.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <stdarg.h>
#include <stddef.h>
......
arch/alpha/include/asm/device.h
浏览文件 @ a45ff599
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Arch specific extensions to struct device
*
* This file is released under the GPLv2
*/
#include <asm-generic/device.h>
arch/alpha/include/uapi/asm/Kbuild
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# SPDX-License-Identifier: GPL-2.0
generated-y += unistd_32.h
arch/alpha/kernel/module.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/* Kernel module help for Alpha.
Copyright (C) 2002 Richard Henderson.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/moduleloader.h>
#include <linux/elf.h>
......
arch/alpha/kernel/srm_env.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* srm_env.c - Access to SRM environment
* variables through linux' procfs
......@@ -9,23 +10,6 @@
* <J.A.K.Mouw@its.tudelft.nl>. It is based on an idea
* provided by DEC^WCompaq^WIntel's "Jumpstart" CD. They
* included a patch like this as well. Thanks for idea!
*
* This program is free software; you can redistribute
* it and/or modify it under the terms of the GNU General
* Public License version 2 as published by the Free Software
* Foundation.
*
* This program is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/kernel.h>
......
arch/arc/Kbuild
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# SPDX-License-Identifier: GPL-2.0
obj-y += kernel/
obj-y += mm/
arch/arc/Kconfig
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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
config ARC
def_bool y
......
arch/arc/Makefile
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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
KBUILD_DEFCONFIG := nsim_hs_defconfig
......
arch/arc/boot/dts/abilis_tb100.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Abilis Systems TB100 SOC device tree
*
* Copyright (C) Abilis Systems 2013
*
* Author: Christian Ruppert <christian.ruppert@abilis.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/include/ "abilis_tb10x.dtsi"
......
arch/arc/boot/dts/abilis_tb100_dvk.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Abilis Systems TB100 Development Kit PCB device tree
*
* Copyright (C) Abilis Systems 2013
*
* Author: Christian Ruppert <christian.ruppert@abilis.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/dts-v1/;
......
arch/arc/boot/dts/abilis_tb101.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Abilis Systems TB101 SOC device tree
*
* Copyright (C) Abilis Systems 2013
*
* Author: Christian Ruppert <christian.ruppert@abilis.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/include/ "abilis_tb10x.dtsi"
......
arch/arc/boot/dts/abilis_tb101_dvk.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Abilis Systems TB101 Development Kit PCB device tree
*
* Copyright (C) Abilis Systems 2013
*
* Author: Christian Ruppert <christian.ruppert@abilis.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/dts-v1/;
......
arch/arc/boot/dts/abilis_tb10x.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Abilis Systems TB10X SOC device tree
*
* Copyright (C) Abilis Systems 2013
*
* Author: Christian Ruppert <christian.ruppert@abilis.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
......
arch/arc/boot/dts/axc001.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/axc003.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/axc003_idu.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014, 2015 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/axs101.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
*
* ARC AXS101 S/W development platform
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/axs103.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/axs103_idu.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/axs10x_mb.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Support for peripherals on the AXS10x mainboard
*
* Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/ {
......
arch/arc/boot/dts/eznps.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright(c) 2015 EZchip Technologies.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*/
/dts-v1/;
......
arch/arc/boot/dts/haps_hs.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016-2014 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/haps_hs_idu.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016-2014 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/hsdk.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......@@ -11,7 +8,6 @@
*/
/dts-v1/;
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/reset/snps,hsdk-reset.h>
/ {
......@@ -167,6 +163,24 @@
#clock-cells = <0>;
};
gpu_core_clk: gpu-core-clk {
compatible = "fixed-clock";
clock-frequency = <400000000>;
#clock-cells = <0>;
};
gpu_dma_clk: gpu-dma-clk {
compatible = "fixed-clock";
clock-frequency = <400000000>;
#clock-cells = <0>;
};
gpu_cfg_clk: gpu-cfg-clk {
compatible = "fixed-clock";
clock-frequency = <200000000>;
#clock-cells = <0>;
};
dmac_core_clk: dmac-core-clk {
compatible = "fixed-clock";
clock-frequency = <400000000>;
......@@ -187,6 +201,7 @@
interrupt-names = "macirq";
phy-mode = "rgmii";
snps,pbl = <32>;
snps,multicast-filter-bins = <256>;
clocks = <&gmacclk>;
clock-names = "stmmaceth";
phy-handle = <&phy0>;
......@@ -195,15 +210,15 @@
mac-address = [00 00 00 00 00 00]; /* Filled in by U-Boot */
dma-coherent;
tx-fifo-depth = <4096>;
rx-fifo-depth = <4096>;
mdio {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy0: ethernet-phy@0 {
reg = <0>;
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
};
};
};
......@@ -237,6 +252,14 @@
dma-coherent;
};
creg_gpio: gpio@14b0 {
compatible = "snps,creg-gpio-hsdk";
reg = <0x14b0 0x4>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <2>;
};
gpio: gpio@3000 {
compatible = "snps,dw-apb-gpio";
reg = <0x3000 0x20>;
......@@ -252,6 +275,17 @@
};
};
gpu_3d: gpu@90000 {
compatible = "vivante,gc";
reg = <0x90000 0x4000>;
clocks = <&gpu_dma_clk>,
<&gpu_cfg_clk>,
<&gpu_core_clk>,
<&gpu_core_clk>;
clock-names = "bus", "reg", "core", "shader";
interrupts = <28>;
};
dmac: dmac@80000 {
compatible = "snps,axi-dma-1.01a";
reg = <0x80000 0x400>;
......
arch/arc/boot/dts/nsim_700.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/nsim_hs.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/nsim_hs_idu.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/nsimosci.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/nsimosci_hs.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/nsimosci_hs_idu.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/skeleton.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/skeleton_hs.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/ {
......
arch/arc/boot/dts/skeleton_hs_idu.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/ {
......
arch/arc/boot/dts/vdk_axc003.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013, 2014 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/vdk_axc003_idu.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014, 2015 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
......
arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Support for peripherals on the AXS10x mainboard (VDK version)
*
* Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/ {
......
arch/arc/boot/dts/vdk_hs38.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
*
* ARC HS38 Virtual Development Kit (VDK)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/boot/dts/vdk_hs38_smp.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
*
* ARC HS38 Virtual Development Kit, SMP version (VDK)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
......
arch/arc/configs/hsdk_defconfig
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......@@ -49,10 +49,12 @@ CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y
CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
CONFIG_DRM_UDL=y
CONFIG_DRM_ETNAVIV=y
CONFIG_FB=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_USB_EHCI_HCD=y
......@@ -64,7 +66,6 @@ CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
......
arch/arc/include/asm/arcregs.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_ARC_ARCREGS_H
......
arch/arc/include/asm/asm-offsets.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <generated/asm-offsets.h>
arch/arc/include/asm/atomic.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_ARC_ATOMIC_H
......
arch/arc/include/asm/barrier.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_BARRIER_H
......
arch/arc/include/asm/bitops.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_BITOPS_H
......
arch/arc/include/asm/bug.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_ARC_BUG_H
......
arch/arc/include/asm/cache.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ARC_ASM_CACHE_H
......
arch/arc/include/asm/cacheflush.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* vineetg: May 2011: for Non-aliasing VIPT D-cache following can be NOPs
* -flush_cache_dup_mm (fork)
* -likewise for flush_cache_mm (exit/execve)
......
arch/arc/include/asm/checksum.h
浏览文件 @ a45ff599
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Joern Rennecke <joern.rennecke@embecosm.com>: Jan 2012
* -Insn Scheduling improvements to csum core routines.
* = csum_fold( ) largely derived from ARM version.
......
arch/arc/include/asm/cmpxchg.h
浏览文件 @ a45ff599
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARC_CMPXCHG_H
......@@ -92,8 +89,11 @@ __cmpxchg(volatile void *ptr, unsigned long expected, unsigned long new)
#endif /* CONFIG_ARC_HAS_LLSC */
#define cmpxchg(ptr, o, n) ((typeof(*(ptr)))__cmpxchg((ptr), \
(unsigned long)(o), (unsigned long)(n)))
#define cmpxchg(ptr, o, n) ({ \
(typeof(*(ptr)))__cmpxchg((ptr), \
(unsigned long)(o), \
(unsigned long)(n)); \
})
/*
* atomic_cmpxchg is same as cmpxchg
......@@ -198,8 +198,11 @@ static inline unsigned long __xchg(unsigned long val, volatile void *ptr,
return __xchg_bad_pointer();
}
#define xchg(ptr, with) ((typeof(*(ptr)))__xchg((unsigned long)(with), (ptr), \
sizeof(*(ptr))))
#define xchg(ptr, with) ({ \
(typeof(*(ptr)))__xchg((unsigned long)(with), \
(ptr), \
sizeof(*(ptr))); \
})
#endif /* CONFIG_ARC_PLAT_EZNPS */
......
arch/arc/include/asm/current.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Vineetg: May 16th, 2008
* - Current macro is now implemented as "global register" r25
*/
......
arch/arc/include/asm/delay.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Delay routines using pre computed loops_per_jiffy value.
*
* vineetg: Feb 2012
......
arch/arc/include/asm/disasm.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* several functions that help interpret ARC instructions
* used for unaligned accesses, kprobes and kgdb
*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ARC_DISASM_H__
......
arch/arc/include/asm/dma.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef ASM_ARC_DMA_H
......
arch/arc/include/asm/dwarf.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2016-17 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_ARC_DWARF_H
......
arch/arc/include/asm/elf.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARC_ELF_H
......
arch/arc/include/asm/entry-compact.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Vineetg: March 2009 (Supporting 2 levels of Interrupts)
* Stack switching code can no longer reliably rely on the fact that
* if we are NOT in user mode, stack is switched to kernel mode.
......
arch/arc/include/asm/entry.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARC_ENTRY_H
......
arch/arc/include/asm/exec.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARC_EXEC_H
......
arch/arc/include/asm/futex.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Vineetg: August 2010: From Android kernel work
*/
......
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