- 11 4月, 2014 10 次提交
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由 Jakub Kicinski 提交于
last_rx_timestamp should be updated only when rx time stamp is read. Also it's only used with NICs that have per-interface time stamping resources so it can be moved to adapter structure and set in igb_ptp_rx_rgtstamp(). Signed-off-by: NJakub Kicinski <kubakici@wp.pl> Acked-by: NMatthew Vick <matthew.vick@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Francois Romieu 提交于
Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Francois Romieu 提交于
Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Francois Romieu 提交于
Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Jakub Kicinski 提交于
e1000_hw.c contains a lot of debug messages which print name of invoked function and contain no new line character at the end. Remove them as equivalent information can be nowadays obtained using function tracer. Reported-by: NJoe Perches <joe@perches.com> Signed-off-by: NJakub Kicinski <kubakici@wp.pl> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Francois Romieu 提交于
Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: NPhil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Mark Rustad 提交于
An indication of work queue initialization is needed. This is because register accesses prior to that time can detect a removal and attempt to schedule the watchdog task. Adding the __IXGBEVF_WORK_INIT bit allows this to be checked and if not set prevent the watchdog task scheduling. By checking for a removal right after initialization, the probe can be failed at that point without getting the watchdog task involved. Signed-off-by: NMark Rustad <mark.d.rustad@intel.com> Tested-by: NPhil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Francois Romieu 提交于
Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: NPhil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Mark Rustad 提交于
There needs to be an indication when the service task has been initialized. This is because register access prior to that time can detect a removal and attempt to schedule the service task. Adding the __IXGBE_SERVICE_INITED bit allows this to be checked and if not set prevent the service task scheduling. By checking for a removal right after initialization, the probe can be failed at that point without getting the service task involved. Signed-off-by: NMark Rustad <mark.d.rustad@intel.com> Tested-by: NPhil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Florian Westphal 提交于
In case of tcp, gso_size contains the tcpmss. For UFO (udp fragmentation offloading) skbs, gso_size is the fragment payload size, i.e. we must not account for udp header size. Otherwise, when using virtio drivers, a to-be-forwarded UFO GSO packet will be needlessly fragmented in the forward path, because we think its individual segments are too large for the outgoing link. Fixes: fe6cc55f ("net: ip, ipv6: handle gso skbs in forwarding path") Cc: Eric Dumazet <eric.dumazet@gmail.com> Reported-by: NTobias Brunner <tobias@strongswan.org> Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 4月, 2014 4 次提交
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由 Dmitry Petukhov 提交于
When l2tp driver tries to get PMTU for the tunnel destination, it uses the pointer to struct sock that represents PPPoX socket, while it should use the pointer that represents UDP socket of the tunnel. Signed-off-by: NDmitry Petukhov <dmgenp@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mugunthan V N 提交于
Dual EMAC works with VLAN segregation of the ports, so default vlan needs to be added in dual EMAC case else default vlan will be tagged for all egress packets and vlan unaware switches/servers will drop packets from the EVM. Signed-off-by: NMugunthan V N <mugunthanvnm@ti.com> Tested-by: NYegor Yefremov <yegorslists@googlemail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Balakumaran Kannan 提交于
This condition check makes no difference in the code flow since 3.10 Signed-off-by: NBalakumaran Kannan <kumaran.4353@gmail.com> Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Daniel Borkmann 提交于
In function sctp_wake_up_waiters(), we need to involve a test if the association is declared dead. If so, we don't have any reference to a possible sibling association anymore and need to invoke sctp_write_space() instead, and normally walk the socket's associations and notify them of new wmem space. The reason for special casing is that otherwise, we could run into the following issue when a sctp_primitive_SEND() call from sctp_sendmsg() fails, and tries to flush an association's outq, i.e. in the following way: sctp_association_free() `-> list_del(&asoc->asocs) <-- poisons list pointer asoc->base.dead = true sctp_outq_free(&asoc->outqueue) `-> __sctp_outq_teardown() `-> sctp_chunk_free() `-> consume_skb() `-> sctp_wfree() `-> sctp_wake_up_waiters() <-- dereferences poisoned pointers if asoc->ep->sndbuf_policy=0 Therefore, only walk the list in an 'optimized' way if we find that the current association is still active. We could also use list_del_init() in addition when we call sctp_association_free(), but as Vlad suggests, we want to trap such bugs and thus leave it poisoned as is. Why is it safe to resolve the issue by testing for asoc->base.dead? Parallel calls to sctp_sendmsg() are protected under socket lock, that is lock_sock()/release_sock(). Only within that path under lock held, we're setting skb/chunk owner via sctp_set_owner_w(). Eventually, chunks are freed directly by an association still under that lock. So when traversing association list on destruction time from sctp_wake_up_waiters() via sctp_wfree(), a different CPU can't be running sctp_wfree() while another one calls sctp_association_free() as both happens under the same lock. Therefore, this can also not race with setting/testing against asoc->base.dead as we are guaranteed for this to happen in order, under lock. Further, Vlad says: the times we check asoc->base.dead is when we've cached an association pointer for later processing. In between cache and processing, the association may have been freed and is simply still around due to reference counts. We check asoc->base.dead under a lock, so it should always be safe to check and not race against sctp_association_free(). Stress-testing seems fine now, too. Fixes: cd253f9f357d ("net: sctp: wake up all assocs if sndbuf policy is per socket") Signed-off-by: NDaniel Borkmann <dborkman@redhat.com> Cc: Vlad Yasevich <vyasevic@redhat.com> Acked-by: NNeil Horman <nhorman@tuxdriver.com> Acked-by: NVlad Yasevich <vyasevic@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 4月, 2014 8 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull more networking updates from David Miller: 1) If a VXLAN interface is created with no groups, we can crash on reception of packets. Fix from Mike Rapoport. 2) Missing includes in CPTS driver, from Alexei Starovoitov. 3) Fix string validations in isdnloop driver, from YOSHIFUJI Hideaki and Dan Carpenter. 4) Missing irq.h include in bnxw2x, enic, and qlcnic drivers. From Josh Boyer. 5) AF_PACKET transmit doesn't statistically count TX drops, from Daniel Borkmann. 6) Byte-Queue-Limit enabled drivers aren't handled properly in AF_PACKET transmit path, also from Daniel Borkmann. Same problem exists in pktgen, and Daniel fixed it there too. 7) Fix resource leaks in driver probe error paths of new sxgbe driver, from Francois Romieu. 8) Truesize of SKBs can gradually get more and more corrupted in NAPI packet recycling path, fix from Eric Dumazet. 9) Fix uniprocessor netfilter build, from Florian Westphal. In the longer term we should perhaps try to find a way for ARRAY_SIZE() to work even with zero sized array elements. 10) Fix crash in netfilter conntrack extensions due to mis-estimation of required extension space. From Andrey Vagin. 11) Since we commit table rule updates before trying to copy the counters back to userspace (it's the last action we perform), we really can't signal the user copy with an error as we are beyond the point from which we can unwind everything. This causes all kinds of use after free crashes and other mysterious behavior. From Thomas Graf. 12) Restore previous behvaior of div/mod by zero in BPF filter processing. From Daniel Borkmann. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits) net: sctp: wake up all assocs if sndbuf policy is per socket isdnloop: several buffer overflows netdev: remove potentially harmful checks pktgen: fix xmit test for BQL enabled devices net/at91_ether: avoid NULL pointer dereference tipc: Let tipc_release() return 0 at86rf230: fix MAX_CSMA_RETRIES parameter mac802154: fix duplicate #include headers sxgbe: fix duplicate #include headers net: filter: be more defensive on div/mod by X==0 netfilter: Can't fail and free after table replacement xen-netback: Trivial format string fix net: bcmgenet: Remove unnecessary version.h inclusion net: smc911x: Remove unused local variable bonding: Inactive slaves should keep inactive flag's value netfilter: nf_tables: fix wrong format in request_module() netfilter: nf_tables: set names cannot be larger than 15 bytes netfilter: nf_conntrack: reserve two bytes for nf_ct_ext->len netfilter: Add {ipt,ip6t}_osf aliases for xt_osf netfilter: x_tables: allow to use cgroup match for LOCAL_IN nf hooks ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging由 Linus Torvalds 提交于
Pull more staging patches from Greg KH: "Here are some more staging patches for 3.15-rc1. They include a late-submission of a wireless driver that a bunch of people seem to have the hardware for now. As it's stand-alone, it should be fine (now passes the 0-day random build bot tests). There are also some fixes for the unisys drivers, as they were causing havoc on a number of different machines. To resolve all of those issues, we just mark the driver as BROKEN now, and we can fix it up "properly" over time" * tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: rtl8723au: The 8723 only has two paths Staging: unisys: mark drivers as BROKEN Staging: unisys: verify that a control channel exists staging: unisys: Add missing close parentheses in filexfer.c staging: r8723au: Fix build problem when RFKILL is not selected staging: r8723au: Fix randconfig build errors staging: r8723au: Turn on build of new driver staging: r8723au: Additional source patches staging: r8723au: Add source files for new driver - part 4 staging: r8723au: Add source files for new driver - part 3 staging: r8723au: Add source files for new driver - part 2 staging: r8723au: Add source files for new driver - part 1
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux由 Linus Torvalds 提交于
Pull second set of arm64 updates from Catalin Marinas: "A second pull request for this merging window, mainly with fixes and docs clarification: - Documentation clarification on CPU topology and booting requirements - Additional cache flushing during boot (needed in the presence of external caches or under virtualisation) - DMA range invalidation fix for non cache line aligned buffers - Build failure fix with !COMPAT - Kconfig update for STRICT_DEVMEM" * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Fix DMA range invalidation for cache line unaligned buffers arm64: Add missing Kconfig for CONFIG_STRICT_DEVMEM arm64: fix !CONFIG_COMPAT build failures Revert "arm64: virt: ensure visibility of __boot_cpu_mode" arm64: Relax the kernel cache requirements for boot arm64: Update the TCR_EL1 translation granule definitions for 16K pages ARM: topology: Make it clear that all CPUs need to be described
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux由 Linus Torvalds 提交于
Pull second set of s390 patches from Martin Schwidefsky: "The second part of Heikos uaccess rework, the page table walker for uaccess is now a thing of the past (yay!) The code change to fix the theoretical TLB flush problem allows us to add a TLB flush optimization for zEC12, this machine has new instructions that allow to do CPU local TLB flushes for single pages and for all pages of a specific address space. Plus the usual bug fixing and some more cleanup" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/uaccess: rework uaccess code - fix locking issues s390/mm,tlb: optimize TLB flushing for zEC12 s390/mm,tlb: safeguard against speculative TLB creation s390/irq: Use defines for external interruption codes s390/irq: Add defines for external interruption codes s390/sclp: add timeout for queued requests kvm/s390: also set guest pages back to stable on kexec/kdump lcs: Add missing destroy_timer_on_stack() s390/tape: Add missing destroy_timer_on_stack() s390/tape: Use del_timer_sync() s390/3270: fix crash with multiple reset device requests s390/bitops,atomic: add missing memory barriers s390/zcrypt: add length check for aligned data to avoid overflow in msg-type 6
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由 Daniel Borkmann 提交于
SCTP charges chunks for wmem accounting via skb->truesize in sctp_set_owner_w(), and sctp_wfree() respectively as the reverse operation. If a sender runs out of wmem, it needs to wait via sctp_wait_for_sndbuf(), and gets woken up by a call to __sctp_write_space() mostly via sctp_wfree(). __sctp_write_space() is being called per association. Although we assign sk->sk_write_space() to sctp_write_space(), which is then being done per socket, it is only used if send space is increased per socket option (SO_SNDBUF), as SOCK_USE_WRITE_QUEUE is set and therefore not invoked in sock_wfree(). Commit 4c3a5bda ("sctp: Don't charge for data in sndbuf again when transmitting packet") fixed an issue where in case sctp_packet_transmit() manages to queue up more than sndbuf bytes, sctp_wait_for_sndbuf() will never be woken up again unless it is interrupted by a signal. However, a still remaining issue is that if net.sctp.sndbuf_policy=0, that is accounting per socket, and one-to-many sockets are in use, the reclaimed write space from sctp_wfree() is 'unfairly' handed back on the server to the association that is the lucky one to be woken up again via __sctp_write_space(), while the remaining associations are never be woken up again (unless by a signal). The effect disappears with net.sctp.sndbuf_policy=1, that is wmem accounting per association, as it guarantees a fair share of wmem among associations. Therefore, if we have reclaimed memory in case of per socket accounting, wake all related associations to a socket in a fair manner, that is, traverse the socket association list starting from the current neighbour of the association and issue a __sctp_write_space() to everyone until we end up waking ourselves. This guarantees that no association is preferred over another and even if more associations are taken into the one-to-many session, all receivers will get messages from the server and are not stalled forever on high load. This setting still leaves the advantage of per socket accounting in touch as an association can still use up global limits if unused by others. Fixes: 4eb701df ("[SCTP] Fix SCTP sendbuffer accouting.") Signed-off-by: NDaniel Borkmann <dborkman@redhat.com> Cc: Thomas Graf <tgraf@suug.ch> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Vlad Yasevich <vyasevic@redhat.com> Acked-by: NVlad Yasevich <vyasevic@redhat.com> Acked-by: NNeil Horman <nhorman@tuxdriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm updates from Dave Airlie: "Highlights: - drm: Generic display port aux features, primary plane support, drm master management fixes, logging cleanups, enforced locking checks (instead of docs), documentation improvements, minor number handling cleanup, pseudofs for shared inodes. - ttm: add ability to allocate from both ends - i915: broadwell features, power domain and runtime pm, per-process address space infrastructure (not enabled) - msm: power management, hdmi audio support - nouveau: ongoing GPU fault recovery, initial maxwell support, random fixes - exynos: refactored driver to clean up a lot of abstraction, DP support moved into drm, LVDS bridge support added, parallel panel support - gma500: SGX MMU support, SGX irq handling, asle irq work fixes - radeon: video engine bringup, ring handling fixes, use dp aux helpers - vmwgfx: add rendernode support" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (849 commits) DRM: armada: fix corruption while loading cursors drm/dp_helper: don't return EPROTO for defers (v2) drm/bridge: export ptn3460_init function drm/exynos: remove MODULE_DEVICE_TABLE definitions ARM: dts: exynos4412-trats2: enable exynos/fimd node ARM: dts: exynos4210-trats: enable exynos/fimd node ARM: dts: exynos4412-trats2: add panel node ARM: dts: exynos4210-trats: add panel node ARM: dts: exynos4: add MIPI DSI Master node drm/panel: add S6E8AA0 driver ARM: dts: exynos4210-universal_c210: add proper panel node drm/panel: add ld9040 driver panel/ld9040: add DT bindings panel/s6e8aa0: add DT bindings drm/exynos: add DSIM driver exynos/dsim: add DT bindings drm/exynos: disallow fbdev initialization if no device is connected drm/mipi_dsi: create dsi devices only for nodes with reg property drm/mipi_dsi: add flags to DSI messages Skip intel_crt_init for Dell XPS 8700 ...
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由 Dan Carpenter 提交于
There are three buffer overflows addressed in this patch. 1) In isdnloop_fake_err() we add an 'E' to a 60 character string and then copy it into a 60 character buffer. I have made the destination buffer 64 characters and I'm changed the sprintf() to a snprintf(). 2) In isdnloop_parse_cmd(), p points to a 6 characters into a 60 character buffer so we have 54 characters. The ->eazlist[] is 11 characters long. I have modified the code to return if the source buffer is too long. 3) In isdnloop_command() the cbuf[] array was 60 characters long but the max length of the string then can be up to 79 characters. I made the cbuf array 80 characters long and changed the sprintf() to snprintf(). I also removed the temporary "dial" buffer and changed it to use "p" directly. Unfortunately, we pass the "cbuf" string from isdnloop_command() to isdnloop_writecmd() which truncates anything over 60 characters to make it fit in card->omsg[]. (It can accept values up to 255 characters so long as there is a '\n' character every 60 characters). For now I have just fixed the memory corruption bug and left the other problems in this driver alone. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Heiko Carstens 提交于
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 08 4月, 2014 18 次提交
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由 Catalin Marinas 提交于
If the buffer needing cache invalidation for inbound DMA does start or end on a cache line aligned address, we need to use the non-destructive clean&invalidate operation. This issue was introduced by commit 7363590d (arm64: Implement coherent DMA API based on swiotlb). Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Reported-by: NJon Medhurst (Tixy) <tixy@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs由 Linus Torvalds 提交于
Pull ext3 improvements, cleanups, reiserfs fix from Jan Kara: "various cleanups for ext2, ext3, udf, isofs, a documentation update for quota, and a fix of a race in reiserfs readdir implementation" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: reiserfs: fix race in readdir ext2: acl: remove unneeded include of linux/capability.h ext3: explicitly remove inode from orphan list after failed direct io fs/isofs/inode.c add __init to init_inodecache() ext3: Speedup WB_SYNC_ALL pass fs/quota/Kconfig: Update filesystems ext3: Update outdated comment before ext3_ordered_writepage() ext3: Update PF_MEMALLOC handling in ext3_write_inode() ext2/3: use prandom_u32() instead of get_random_bytes() ext3: remove an unneeded check in ext3_new_blocks() ext3: remove unneeded check in ext3_ordered_writepage() fs: Mark function as static in ext3/xattr_security.c fs: Mark function as static in ext3/dir.c fs: Mark function as static in ext2/xattr_security.c ext3: Add __init macro to init_inodecache ext2: Add __init macro to init_inodecache udf: Add __init macro to init_inodecache fs: udf: parse_options: blocksize check
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild由 Linus Torvalds 提交于
Pull kbuild changes from Michal Marek: - cleanups in the main Makefiles and Documentation/DocBook/Makefile - make O=... directory is automatically created if needed - mrproper/distclean removes the old include/linux/version.h to make life easier when bisecting across the commit that moved the version.h file * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: docbook: fix the include error when executing "make help" kbuild: create a build directory automatically for out-of-tree build kbuild: remove redundant '.*.cmd' pattern from make distclean kbuild: move "quote" to Kbuild.include to be consistent kbuild: docbook: use $(obj) and $(src) rather than specific path kbuild: unconditionally clobber include/linux/version.h on distclean kbuild: docbook: specify KERNELDOC dependency correctly kbuild: docbook: include cmd files more simply kbuild: specify build_docproc as a phony target
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc由 Linus Torvalds 提交于
Pull ARC changes from Vineet Gupta: - Support for external initrd from Noam - Fix broken serial console in nsimosci Virtual Platform - Reuse of ENTRY/END assembler macros across hand asm code - Other minor fixes here and there * tag 'arc-v3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [nsimosci] Unbork console ARC: [nsimosci] Change .dts to use generic 8250 UART ARC: [SMP] General Fixes ARC: Remove unused DT template file ARC: [clockevent] simplify timer ISR ARC: [clockevent] can't be SoC specific ARC: Remove ARC_HAS_COH_RTSC ARC: switch to generic ENTRY/END assembler annotations ARC: support external initrd ARC: add uImage to .gitignore ARC: [arcfpga] Fix __initconst data const-correctness
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由 Russell King 提交于
Loading cursors to the LCD controller's SRAM can be corrupted when the configured pixel clock is relatively slow. This seems to be caused when we write back-to-back to the SRAM registers. There doesn't appear to be any status register we can read to check when an access has completed. Inserting a dummy read between the writes appears to fix the problem. Cc: <stable@vger.kernel.org> # 3.13 Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: NDave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip由 Linus Torvalds 提交于
Pull Xen build fix from David Vrabel: "Fix arm build of drivers/xen/events/ The merge of irq-core-for-linus branch broke it" * tag 'stable/for-linus-3.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: Xen: do hv callback accounting only on x86
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由 Linus Torvalds 提交于
Merge second patch-bomb from Andrew Morton: - the rest of MM - zram updates - zswap updates - exit - procfs - exec - wait - crash dump - lib/idr - rapidio - adfs, affs, bfs, ufs - cris - Kconfig things - initramfs - small amount of IPC material - percpu enhancements - early ioremap support - various other misc things * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (156 commits) MAINTAINERS: update Intel C600 SAS driver maintainers fs/ufs: remove unused ufs_super_block_third pointer fs/ufs: remove unused ufs_super_block_second pointer fs/ufs: remove unused ufs_super_block_first pointer fs/ufs/super.c: add __init to init_inodecache() doc/kernel-parameters.txt: add early_ioremap_debug arm64: add early_ioremap support arm64: initialize pgprot info earlier in boot x86: use generic early_ioremap mm: create generic early_ioremap() support x86/mm: sparse warning fix for early_memremap lglock: map to spinlock when !CONFIG_SMP percpu: add preemption checks to __this_cpu ops vmstat: use raw_cpu_ops to avoid false positives on preemption checks slub: use raw_cpu_inc for incrementing statistics net: replace __this_cpu_inc in route.c with raw_cpu_inc modules: use raw_cpu_write for initialization of per cpu refcount. mm: use raw_cpu ops for determining current NUMA node percpu: add raw_cpu_ops slub: fix leak of 'name' in sysfs_slab_add ...
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由 Lukasz Dorau 提交于
Signed-off-by: NLukasz Dorau <lukasz.dorau@intel.com> Signed-off-by: NDave Jiang <dave.jiang@intel.com> Signed-off-by: NMaciej Patelczyk <maciej.patelczyk@intel.com> Cc: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Christian Engelmayer 提交于
Pointer 'usb3' to struct ufs_super_block_third acquired via ubh_get_usb_third() is never used in function ufs_read_cylinder_structures(). Thus remove it. Detected by Coverity: CID 139939. Signed-off-by: NChristian Engelmayer <cengelma@gmx.at> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Christian Engelmayer 提交于
Pointer 'usb2' to struct ufs_super_block_second acquired via ubh_get_usb_second() is never used in function ufs_statfs(). Thus remove it. Detected by Coverity: CID 139940. Signed-off-by: NChristian Engelmayer <cengelma@gmx.at> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Christian Engelmayer 提交于
Remove occurences of unused pointers to struct ufs_super_block_first that were acquired via ubh_get_usb_first(). Detected by Coverity: CID 139929 - CID 139936, CID 139940. Signed-off-by: NChristian Engelmayer <cengelma@gmx.at> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Fabian Frederick 提交于
init_inodecache is only called by __init init_ufs_fs. Signed-off-by: NFabian Frederick <fabf@skynet.be> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mark Salter 提交于
Add description of early_ioremap_debug kernel parameter. Signed-off-by: NMark Salter <msalter@redhat.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Young <dyoung@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mark Salter 提交于
Add support for early IO or memory mappings which are needed before the normal ioremap() is usable. This also adds fixmap support for permanent fixed mappings such as that used by the earlyprintk device register region. Signed-off-by: NMark Salter <msalter@redhat.com> Acked-by: NCatalin Marinas <catalin.marinas@arm.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Dave Young <dyoung@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mark Salter 提交于
Presently, paging_init() calls init_mem_pgprot() to initialize pgprot values used by macros such as PAGE_KERNEL, PAGE_KERNEL_EXEC, etc. The new fixmap and early_ioremap support also needs to use these macros before paging_init() is called. This patch moves the init_mem_pgprot() call out of paging_init() and into setup_arch() so that pgprot_default gets initialized in time for fixmap and early_ioremap. Signed-off-by: NMark Salter <msalter@redhat.com> Acked-by: NCatalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Dave Young <dyoung@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mark Salter 提交于
Move x86 over to the generic early ioremap implementation. Signed-off-by: NMark Salter <msalter@redhat.com> Acked-by: NH. Peter Anvin <hpa@zytor.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Young <dyoung@redhat.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mark Salter 提交于
This patch creates a generic implementation of early_ioremap() support based on the existing x86 implementation. early_ioremp() is useful for early boot code which needs to temporarily map I/O or memory regions before normal mapping functions such as ioremap() are available. Some architectures have optional MMU. In the no-MMU case, the remap functions simply return the passed in physical address and the unmap functions do nothing. Signed-off-by: NMark Salter <msalter@redhat.com> Acked-by: NCatalin Marinas <catalin.marinas@arm.com> Acked-by: NH. Peter Anvin <hpa@zytor.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Dave Young <dyoung@redhat.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Dave Young 提交于
This patch series takes the common bits from the x86 early ioremap implementation and creates a generic implementation which may be used by other architectures. The early ioremap interfaces are intended for situations where boot code needs to make temporary virtual mappings before the normal ioremap interfaces are available. Typically, this means before paging_init() has run. This patch (of 6): There's a lot of sparse warnings for code like below: void *a = early_memremap(phys_addr, size); early_memremap intend to map kernel memory with ioremap facility, the return pointer should be a kernel ram pointer instead of iomem one. For making the function clearer and supressing sparse warnings this patch do below two things: 1. cast to (__force void *) for the return value of early_memremap 2. add early_memunmap function and pass (__force void __iomem *) to iounmap From Boris: "Ingo told me yesterday, it makes sense too. I'd guess we can try it. FWIW, all callers of early_memremap use the memory they get remapped as normal memory so we should be safe" Signed-off-by: NDave Young <dyoung@redhat.com> Signed-off-by: NMark Salter <msalter@redhat.com> Acked-by: NH. Peter Anvin <hpa@zytor.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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