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kernel_linux
提交 6e0895c2 编写于 作者: D David S. Miller
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 

Conflicts:
	drivers/net/ethernet/emulex/benet/be_main.c
	drivers/net/ethernet/intel/igb/igb_main.c
	drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
	include/net/scm.h
	net/batman-adv/routing.c
	net/ipv4/tcp_input.c

The e{uid,gid} --> {uid,gid} credentials fix conflicted with the
cleanup in net-next to now pass cred structs around.

The be2net driver had a bug fix in 'net' that overlapped with the VLAN
interface changes by Patrick McHardy in net-next.

An IGB conflict existed because in 'net' the build_skb() support was
reverted, and in 'net-next' there was a comment style fix within that
code.

Several batman-adv conflicts were resolved by making sure that all
calls to batadv_is_my_mac() are changed to have a new bat_priv first
argument.

Eric Dumazet's TS ECR fix in TCP in 'net' conflicted with the F-RTO
rewrite in 'net-next', mostly overlapping changes.

Thanks to Stephen Rothwell and Antonio Quartulli for help with several
of these merge resolutions.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 55fbbe46 60d509fa
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Documentation/DocBook/device-drivers.tmpl
浏览文件 @ 6e0895c2
......@@ -227,7 +227,7 @@ X!Isound/sound_firmware.c
<chapter id="uart16x50">
<title>16x50 UART Driver</title>
!Edrivers/tty/serial/serial_core.c
!Edrivers/tty/serial/8250/8250.c
!Edrivers/tty/serial/8250/8250_core.c
</chapter>
<chapter id="fbdev">
......
Documentation/kernel-parameters.txt
浏览文件 @ 6e0895c2
......@@ -596,9 +596,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
is selected automatically. Check
Documentation/kdump/kdump.txt for further details.
crashkernel_low=size[KMG]
[KNL, x86] parts under 4G.
crashkernel=range1:size1[,range2:size2,...][@offset]
[KNL] Same as above, but depends on the memory
in the running system. The syntax of range is
......@@ -606,6 +603,26 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
a memory unit (amount[KMG]). See also
Documentation/kdump/kdump.txt for an example.
crashkernel=size[KMG],high
[KNL, x86_64] range could be above 4G. Allow kernel
to allocate physical memory region from top, so could
be above 4G if system have more than 4G ram installed.
Otherwise memory region will be allocated below 4G, if
available.
It will be ignored if crashkernel=X is specified.
crashkernel=size[KMG],low
[KNL, x86_64] range under 4G. When crashkernel=X,high
is passed, kernel could allocate physical memory region
above 4G, that cause second kernel crash on system
that require some amount of low memory, e.g. swiotlb
requires at least 64M+32K low memory. Kernel would
try to allocate 72M below 4G automatically.
This one let user to specify own low range under 4G
for second kernel instead.
0: to disable low allocation.
It will be ignored when crashkernel=X,high is not used
or memory reserved is below 4G.
cs89x0_dma= [HW,NET]
Format: <dma>
......@@ -788,6 +805,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
edd= [EDD]
Format: {"off" | "on" | "skip[mbr]"}
efi_no_storage_paranoia [EFI; X86]
Using this parameter you can use more than 50% of
your efi variable storage. Use this parameter only if
you are really sure that your UEFI does sane gc and
fulfills the spec otherwise your board may brick.
eisa_irq_edge= [PARISC,HW]
See header of drivers/parisc/eisa.c.
......
Documentation/scsi/LICENSE.qla2xxx
浏览文件 @ 6e0895c2
Copyright (c) 2003-2012 QLogic Corporation
Copyright (c) 2003-2013 QLogic Corporation
QLogic Linux FC-FCoE Driver
This program includes a device driver for Linux 3.x.
......
MAINTAINERS
浏览文件 @ 6e0895c2
......@@ -4941,6 +4941,12 @@ W: logfs.org
S: Maintained
F: fs/logfs/
LPC32XX MACHINE SUPPORT
M: Roland Stigge <stigge@antcom.de>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-lpc32xx/
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
M: Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com>
M: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
......@@ -6627,7 +6633,7 @@ S: Supported
F: fs/reiserfs/
REGISTER MAP ABSTRACTION
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
M: Mark Brown <broonie@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git
S: Supported
F: drivers/base/regmap/
......@@ -7375,7 +7381,7 @@ F: sound/
SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
M: Liam Girdwood <lgirdwood@gmail.com>
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
M: Mark Brown <broonie@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
W: http://alsa-project.org/main/index.php/ASoC
......@@ -7464,7 +7470,7 @@ F: drivers/clk/spear/
SPI SUBSYSTEM
M: Grant Likely <grant.likely@secretlab.ca>
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
M: Mark Brown <broonie@kernel.org>
L: spi-devel-general@lists.sourceforge.net
Q: http://patchwork.kernel.org/project/spi-devel-general/list/
T: git git://git.secretlab.ca/git/linux-2.6.git
......@@ -8709,7 +8715,7 @@ F: drivers/scsi/vmw_pvscsi.h
VOLTAGE AND CURRENT REGULATOR FRAMEWORK
M: Liam Girdwood <lrg@ti.com>
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
M: Mark Brown <broonie@kernel.org>
W: http://opensource.wolfsonmicro.com/node/15
W: http://www.slimlogic.co.uk/?p=48
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lrg/regulator.git
......
Makefile
浏览文件 @ 6e0895c2
VERSION = 3
PATCHLEVEL = 9
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc8
NAME = Unicycling Gorilla
# *DOCUMENTATION*
......@@ -513,7 +513,8 @@ ifeq ($(KBUILD_EXTMOD),)
# Carefully list dependencies so we do not try to build scripts twice
# in parallel
PHONY += scripts
scripts: scripts_basic include/config/auto.conf include/config/tristate.conf
scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \
asm-generic
$(Q)$(MAKE) $(build)=$(@)
# Objects we will link into vmlinux / subdirs we need to visit
......
arch/alpha/Makefile
浏览文件 @ 6e0895c2
......@@ -12,7 +12,7 @@ NM := $(NM) -B
LDFLAGS_vmlinux := -static -N #-relax
CHECKFLAGS += -D__alpha__ -m64
cflags-y := -pipe -mno-fp-regs -ffixed-8 -msmall-data
cflags-y := -pipe -mno-fp-regs -ffixed-8
cflags-y += $(call cc-option, -fno-jump-tables)
cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
......
arch/alpha/include/asm/floppy.h
浏览文件 @ 6e0895c2
......@@ -26,7 +26,7 @@
#define fd_disable_irq() disable_irq(FLOPPY_IRQ)
#define fd_cacheflush(addr,size) /* nothing */
#define fd_request_irq() request_irq(FLOPPY_IRQ, floppy_interrupt,\
IRQF_DISABLED, "floppy", NULL)
0, "floppy", NULL)
#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL)
#ifdef CONFIG_PCI
......
arch/alpha/kernel/irq.c
浏览文件 @ 6e0895c2
......@@ -117,13 +117,6 @@ handle_irq(int irq)
return;
}
/*
* From here we must proceed with IPL_MAX. Note that we do not
* explicitly enable interrupts afterwards - some MILO PALcode
* (namely LX164 one) seems to have severe problems with RTI
* at IPL 0.
*/
local_irq_disable();
irq_enter();
generic_handle_irq_desc(irq, desc);
irq_exit();
......
arch/alpha/kernel/irq_alpha.c
浏览文件 @ 6e0895c2
......@@ -45,6 +45,14 @@ do_entInt(unsigned long type, unsigned long vector,
unsigned long la_ptr, struct pt_regs *regs)
{
struct pt_regs *old_regs;
/*
* Disable interrupts during IRQ handling.
* Note that there is no matching local_irq_enable() due to
* severe problems with RTI at IPL0 and some MILO PALcode
* (namely LX164).
*/
local_irq_disable();
switch (type) {
case 0:
#ifdef CONFIG_SMP
......@@ -62,7 +70,6 @@ do_entInt(unsigned long type, unsigned long vector,
{
long cpu;
local_irq_disable();
smp_percpu_timer_interrupt(regs);
cpu = smp_processor_id();
if (cpu != boot_cpuid) {
......@@ -222,7 +229,6 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr,
struct irqaction timer_irqaction = {
.handler = timer_interrupt,
.flags = IRQF_DISABLED,
.name = "timer",
};
......
arch/alpha/kernel/sys_nautilus.c
浏览文件 @ 6e0895c2
......@@ -188,6 +188,10 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr)
extern void free_reserved_mem(void *, void *);
extern void pcibios_claim_one_bus(struct pci_bus *);
static struct resource irongate_io = {
.name = "Irongate PCI IO",
.flags = IORESOURCE_IO,
};
static struct resource irongate_mem = {
.name = "Irongate PCI MEM",
.flags = IORESOURCE_MEM,
......@@ -209,6 +213,7 @@ nautilus_init_pci(void)
irongate = pci_get_bus_and_slot(0, 0);
bus->self = irongate;
bus->resource[0] = &irongate_io;
bus->resource[1] = &irongate_mem;
pci_bus_size_bridges(bus);
......
arch/alpha/kernel/sys_titan.c
浏览文件 @ 6e0895c2
......@@ -280,15 +280,15 @@ titan_late_init(void)
* all reported to the kernel as machine checks, so the handler
* is a nop so it can be called to count the individual events.
*/
titan_request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(63+16, titan_intr_nop, 0,
"CChip Error", NULL);
titan_request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(62+16, titan_intr_nop, 0,
"PChip 0 H_Error", NULL);
titan_request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(61+16, titan_intr_nop, 0,
"PChip 1 H_Error", NULL);
titan_request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(60+16, titan_intr_nop, 0,
"PChip 0 C_Error", NULL);
titan_request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(59+16, titan_intr_nop, 0,
"PChip 1 C_Error", NULL);
/*
......@@ -348,9 +348,9 @@ privateer_init_pci(void)
* Hook a couple of extra err interrupts that the
* common titan code won't.
*/
titan_request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(53+16, titan_intr_nop, 0,
"NMI", NULL);
titan_request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(50+16, titan_intr_nop, 0,
"Temperature Warning", NULL);
/*
......
arch/arc/include/asm/irqflags.h
浏览文件 @ 6e0895c2
......@@ -39,7 +39,7 @@ static inline long arch_local_irq_save(void)
" flag.nz %0 \n"
: "=r"(temp), "=r"(flags)
: "n"((STATUS_E1_MASK | STATUS_E2_MASK))
: "cc");
: "memory", "cc");
return flags;
}
......@@ -53,7 +53,8 @@ static inline void arch_local_irq_restore(unsigned long flags)
__asm__ __volatile__(
" flag %0 \n"
:
: "r"(flags));
: "r"(flags)
: "memory");
}
/*
......@@ -73,7 +74,8 @@ static inline void arch_local_irq_disable(void)
" and %0, %0, %1 \n"
" flag %0 \n"
: "=&r"(temp)
: "n"(~(STATUS_E1_MASK | STATUS_E2_MASK)));
: "n"(~(STATUS_E1_MASK | STATUS_E2_MASK))
: "memory");
}
/*
......@@ -85,7 +87,9 @@ static inline long arch_local_save_flags(void)
__asm__ __volatile__(
" lr %0, [status32] \n"
: "=&r"(temp));
: "=&r"(temp)
:
: "memory");
return temp;
}
......
arch/arm/boot/dts/imx28-m28evk.dts
浏览文件 @ 6e0895c2
......@@ -152,7 +152,6 @@
i2c0: i2c@80058000 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
clock-frequency = <400000>;
status = "okay";
sgtl5000: codec@0a {
......
arch/arm/boot/dts/imx28-sps1.dts
浏览文件 @ 6e0895c2
......@@ -70,7 +70,6 @@
i2c0: i2c@80058000 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
clock-frequency = <400000>;
status = "okay";
rtc: rtc@51 {
......
arch/arm/boot/dts/imx6qdl.dtsi
浏览文件 @ 6e0895c2
......@@ -91,6 +91,7 @@
compatible = "arm,cortex-a9-twd-timer";
reg = <0x00a00600 0x20>;
interrupts = <1 13 0xf01>;
clocks = <&clks 15>;
};
L2: l2-cache@00a02000 {
......
arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
浏览文件 @ 6e0895c2
......@@ -96,11 +96,11 @@
marvell,function = "gpio";
};
pmx_led_rebuild_brt_ctrl_1: pmx-led-rebuild-brt-ctrl-1 {
marvell,pins = "mpp44";
marvell,pins = "mpp46";
marvell,function = "gpio";
};
pmx_led_rebuild_brt_ctrl_2: pmx-led-rebuild-brt-ctrl-2 {
marvell,pins = "mpp45";
marvell,pins = "mpp47";
marvell,function = "gpio";
};
......@@ -157,14 +157,14 @@
gpios = <&gpio0 16 0>;
linux,default-trigger = "default-on";
};
health_led1 {
rebuild_led {
label = "status:white:rebuild_led";
gpios = <&gpio1 4 0>;
};
health_led {
label = "status:red:health_led";
gpios = <&gpio1 5 0>;
};
health_led2 {
label = "status:white:health_led";
gpios = <&gpio1 4 0>;
};
backup_led {
label = "status:blue:backup_led";
gpios = <&gpio0 15 0>;
......
arch/arm/include/asm/glue-cache.h
浏览文件 @ 6e0895c2
......@@ -19,14 +19,6 @@
#undef _CACHE
#undef MULTI_CACHE
#if defined(CONFIG_CPU_CACHE_V3)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE v3
# endif
#endif
#if defined(CONFIG_CPU_CACHE_V4)
# ifdef _CACHE
# define MULTI_CACHE 1
......
arch/arm/include/asm/hardware/iop3xx.h
浏览文件 @ 6e0895c2
......@@ -37,7 +37,7 @@ extern int iop3xx_get_init_atu(void);
* IOP3XX processor registers
*/
#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000
#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfeffe000
#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfedfe000
#define IOP3XX_PERIPHERAL_SIZE 0x00002000
#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
IOP3XX_PERIPHERAL_SIZE - 1)
......
arch/arm/include/asm/pgtable-3level.h
浏览文件 @ 6e0895c2
......@@ -111,7 +111,7 @@
#define L_PTE_S2_MT_WRITETHROUGH (_AT(pteval_t, 0xa) << 2) /* MemAttr[3:0] */
#define L_PTE_S2_MT_WRITEBACK (_AT(pteval_t, 0xf) << 2) /* MemAttr[3:0] */
#define L_PTE_S2_RDONLY (_AT(pteval_t, 1) << 6) /* HAP[1] */
#define L_PTE_S2_RDWR (_AT(pteval_t, 2) << 6) /* HAP[2:1] */
#define L_PTE_S2_RDWR (_AT(pteval_t, 3) << 6) /* HAP[2:1] */
/*
* Hyp-mode PL2 PTE definitions for LPAE.
......
arch/arm/include/asm/tlbflush.h
浏览文件 @ 6e0895c2
......@@ -14,7 +14,6 @@
#include <asm/glue.h>
#define TLB_V3_PAGE (1 << 0)
#define TLB_V4_U_PAGE (1 << 1)
#define TLB_V4_D_PAGE (1 << 2)
#define TLB_V4_I_PAGE (1 << 3)
......@@ -22,7 +21,6 @@
#define TLB_V6_D_PAGE (1 << 5)
#define TLB_V6_I_PAGE (1 << 6)
#define TLB_V3_FULL (1 << 8)
#define TLB_V4_U_FULL (1 << 9)
#define TLB_V4_D_FULL (1 << 10)
#define TLB_V4_I_FULL (1 << 11)
......@@ -52,7 +50,6 @@
* =============
*
* We have the following to choose from:
* v3 - ARMv3
* v4 - ARMv4 without write buffer
* v4wb - ARMv4 with write buffer without I TLB flush entry instruction
* v4wbi - ARMv4 with write buffer with I TLB flush entry instruction
......@@ -330,7 +327,6 @@ static inline void local_flush_tlb_all(void)
if (tlb_flag(TLB_WB))
dsb();
tlb_op(TLB_V3_FULL, "c6, c0, 0", zero);
tlb_op(TLB_V4_U_FULL | TLB_V6_U_FULL, "c8, c7, 0", zero);
tlb_op(TLB_V4_D_FULL | TLB_V6_D_FULL, "c8, c6, 0", zero);
tlb_op(TLB_V4_I_FULL | TLB_V6_I_FULL, "c8, c5, 0", zero);
......@@ -351,9 +347,8 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
if (tlb_flag(TLB_WB))
dsb();
if (possible_tlb_flags & (TLB_V3_FULL|TLB_V4_U_FULL|TLB_V4_D_FULL|TLB_V4_I_FULL)) {
if (possible_tlb_flags & (TLB_V4_U_FULL|TLB_V4_D_FULL|TLB_V4_I_FULL)) {
if (cpumask_test_cpu(get_cpu(), mm_cpumask(mm))) {
tlb_op(TLB_V3_FULL, "c6, c0, 0", zero);
tlb_op(TLB_V4_U_FULL, "c8, c7, 0", zero);
tlb_op(TLB_V4_D_FULL, "c8, c6, 0", zero);
tlb_op(TLB_V4_I_FULL, "c8, c5, 0", zero);
......@@ -385,9 +380,8 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
if (tlb_flag(TLB_WB))
dsb();
if (possible_tlb_flags & (TLB_V3_PAGE|TLB_V4_U_PAGE|TLB_V4_D_PAGE|TLB_V4_I_PAGE|TLB_V4_I_FULL) &&
if (possible_tlb_flags & (TLB_V4_U_PAGE|TLB_V4_D_PAGE|TLB_V4_I_PAGE|TLB_V4_I_FULL) &&
cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
tlb_op(TLB_V3_PAGE, "c6, c0, 0", uaddr);
tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", uaddr);
tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", uaddr);
tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", uaddr);
......@@ -418,7 +412,6 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
if (tlb_flag(TLB_WB))
dsb();
tlb_op(TLB_V3_PAGE, "c6, c0, 0", kaddr);
tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", kaddr);
tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", kaddr);
tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", kaddr);
......
arch/arm/kernel/hw_breakpoint.c
浏览文件 @ 6e0895c2
......@@ -1043,7 +1043,7 @@ static int dbg_cpu_pm_notify(struct notifier_block *self, unsigned long action,
return NOTIFY_OK;
}
static struct notifier_block __cpuinitdata dbg_cpu_pm_nb = {
static struct notifier_block dbg_cpu_pm_nb = {
.notifier_call = dbg_cpu_pm_notify,
};
......
arch/arm/kernel/perf_event.c
浏览文件 @ 6e0895c2
......@@ -253,7 +253,10 @@ validate_event(struct pmu_hw_events *hw_events,
struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
struct pmu *leader_pmu = event->group_leader->pmu;
if (event->pmu != leader_pmu || event->state <= PERF_EVENT_STATE_OFF)
if (event->pmu != leader_pmu || event->state < PERF_EVENT_STATE_OFF)
return 1;
if (event->state == PERF_EVENT_STATE_OFF && !event->attr.enable_on_exec)
return 1;
return armpmu->get_event_idx(hw_events, event) >= 0;
......
arch/arm/kernel/sched_clock.c
浏览文件 @ 6e0895c2
......@@ -45,12 +45,12 @@ static u32 notrace jiffy_sched_clock_read(void)
static u32 __read_mostly (*read_sched_clock)(void) = jiffy_sched_clock_read;
static inline u64 cyc_to_ns(u64 cyc, u32 mult, u32 shift)
static inline u64 notrace cyc_to_ns(u64 cyc, u32 mult, u32 shift)
{
return (cyc * mult) >> shift;
}
static unsigned long long cyc_to_sched_clock(u32 cyc, u32 mask)
static unsigned long long notrace cyc_to_sched_clock(u32 cyc, u32 mask)
{
u64 epoch_ns;
u32 epoch_cyc;
......
arch/arm/kernel/setup.c
浏览文件 @ 6e0895c2
......@@ -56,7 +56,6 @@
#include <asm/virt.h>
#include "atags.h"
#include "tcm.h"
#if defined(CONFIG_FPE_NWFPE) || defined(CONFIG_FPE_FASTFPE)
......@@ -798,8 +797,6 @@ void __init setup_arch(char **cmdline_p)
reserve_crashkernel();
tcm_init();
#ifdef CONFIG_MULTI_IRQ_HANDLER
handle_arch_irq = mdesc->handle_irq;
#endif
......
arch/arm/kernel/tcm.c
浏览文件 @ 6e0895c2
......@@ -17,7 +17,6 @@
#include <asm/mach/map.h>
#include <asm/memory.h>
#include <asm/system_info.h>
#include "tcm.h"
static struct gen_pool *tcm_pool;
static bool dtcm_present;
......
arch/arm/kvm/arm.c
浏览文件 @ 6e0895c2
......@@ -201,6 +201,7 @@ int kvm_dev_ioctl_check_extension(long ext)
break;
case KVM_CAP_ARM_SET_DEVICE_ADDR:
r = 1;
break;
case KVM_CAP_NR_VCPUS:
r = num_online_cpus();
break;
......
arch/arm/kvm/coproc.c
浏览文件 @ 6e0895c2
......@@ -79,11 +79,11 @@ static bool access_dcsw(struct kvm_vcpu *vcpu,
u32 val;
int cpu;
cpu = get_cpu();
if (!p->is_write)
return read_from_write_only(vcpu, p);
cpu = get_cpu();
cpumask_setall(&vcpu->arch.require_dcache_flush);
cpumask_clear_cpu(cpu, &vcpu->arch.require_dcache_flush);
......
arch/arm/mach-highbank/hotplug.c
浏览文件 @ 6e0895c2
......@@ -28,13 +28,11 @@ extern void secondary_startup(void);
*/
void __ref highbank_cpu_die(unsigned int cpu)
{
flush_cache_all();
highbank_set_cpu_jump(cpu, phys_to_virt(0));
highbank_set_core_pwr();
cpu_do_idle();
flush_cache_louis();
highbank_set_core_pwr();
/* We should never return from idle */
panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu);
while (1)
cpu_do_idle();
}
arch/arm/mach-imx/clk-imx35.c
浏览文件 @ 6e0895c2
......@@ -257,6 +257,7 @@ int __init mx35_clocks_init(void)
clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
clk_register_clkdev(clk[admux_gate], "audmux", NULL);
clk_prepare_enable(clk[spba_gate]);
clk_prepare_enable(clk[gpio1_gate]);
......@@ -265,6 +266,7 @@ int __init mx35_clocks_init(void)
clk_prepare_enable(clk[iim_gate]);
clk_prepare_enable(clk[emi_gate]);
clk_prepare_enable(clk[max_gate]);
clk_prepare_enable(clk[iomuxc_gate]);
/*
* SCC is needed to boot via mmc after a watchdog reset. The clock code
......
arch/arm/mach-imx/clk-imx6q.c
浏览文件 @ 6e0895c2
......@@ -115,7 +115,7 @@ static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m"
static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", };
static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_pfd1_540m", };
static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
......@@ -443,7 +443,6 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[gpt_ipg], "ipg", "imx-gpt.0");
clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0");
clk_register_clkdev(clk[twd], NULL, "smp_twd");
clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL);
clk_register_clkdev(clk[ahb], "ahb", NULL);
clk_register_clkdev(clk[cko1], "cko1", NULL);
......
arch/arm/mach-kirkwood/board-iomega_ix2_200.c
浏览文件 @ 6e0895c2
......@@ -20,10 +20,15 @@ static struct mv643xx_eth_platform_data iomega_ix2_200_ge00_data = {
.duplex = DUPLEX_FULL,
};
static struct mv643xx_eth_platform_data iomega_ix2_200_ge01_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(11),
};
void __init iomega_ix2_200_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_ge01_init(&iomega_ix2_200_ge00_data);
kirkwood_ge00_init(&iomega_ix2_200_ge00_data);
kirkwood_ge01_init(&iomega_ix2_200_ge01_data);
}
arch/arm/mach-mvebu/irq-armada-370-xp.c
浏览文件 @ 6e0895c2
......@@ -61,7 +61,6 @@ static struct irq_domain *armada_370_xp_mpic_domain;
*/
static void armada_370_xp_irq_mask(struct irq_data *d)
{
#ifdef CONFIG_SMP
irq_hw_number_t hwirq = irqd_to_hwirq(d);
if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
......@@ -70,15 +69,10 @@ static void armada_370_xp_irq_mask(struct irq_data *d)
else
writel(hwirq, per_cpu_int_base +
ARMADA_370_XP_INT_SET_MASK_OFFS);
#else
writel(irqd_to_hwirq(d),
per_cpu_int_base + ARMADA_370_XP_INT_SET_MASK_OFFS);
#endif
}
static void armada_370_xp_irq_unmask(struct irq_data *d)
{
#ifdef CONFIG_SMP
irq_hw_number_t hwirq = irqd_to_hwirq(d);
if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
......@@ -87,10 +81,6 @@ static void armada_370_xp_irq_unmask(struct irq_data *d)
else
writel(hwirq, per_cpu_int_base +
ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
#else
writel(irqd_to_hwirq(d),
per_cpu_int_base + ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
#endif
}
#ifdef CONFIG_SMP
......@@ -146,7 +136,11 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
unsigned int virq, irq_hw_number_t hw)
{
armada_370_xp_irq_mask(irq_get_irq_data(virq));
writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
if (hw != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
writel(hw, per_cpu_int_base +
ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
else
writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
irq_set_status_flags(virq, IRQ_LEVEL);
if (hw == ARMADA_370_XP_TIMER0_PER_CPU_IRQ) {
......
arch/arm/mach-s3c24xx/include/mach/irqs.h
浏览文件 @ 6e0895c2
......@@ -188,10 +188,8 @@
#if defined(CONFIG_CPU_S3C2416)
#define NR_IRQS (IRQ_S3C2416_I2S1 + 1)
#elif defined(CONFIG_CPU_S3C2443)
#define NR_IRQS (IRQ_S3C2443_AC97+1)
#else
#define NR_IRQS (IRQ_S3C2440_AC97+1)
#define NR_IRQS (IRQ_S3C2443_AC97 + 1)
#endif
/* compatibility define. */
......
arch/arm/mach-s3c24xx/irq.c
浏览文件 @ 6e0895c2
......@@ -500,7 +500,7 @@ struct s3c_irq_intc *s3c24xx_init_intc(struct device_node *np,
base = (void *)0xfd000000;
intc->reg_mask = base + 0xa4;
intc->reg_pending = base + 0x08;
intc->reg_pending = base + 0xa8;
irq_num = 20;
irq_start = S3C2410_IRQ(32);
irq_offset = 4;
......
arch/arm/mm/Kconfig
浏览文件 @ 6e0895c2
......@@ -43,7 +43,7 @@ config CPU_ARM740T
depends on !MMU
select CPU_32v4T
select CPU_ABRT_LV4T
select CPU_CACHE_V3 # although the core is v4t
select CPU_CACHE_V4
select CPU_CP15_MPU
select CPU_PABRT_LEGACY
help
......@@ -469,9 +469,6 @@ config CPU_PABRT_V7
bool
# The cache model
config CPU_CACHE_V3
bool
config CPU_CACHE_V4
bool
......
arch/arm/mm/Makefile
浏览文件 @ 6e0895c2
......@@ -33,7 +33,6 @@ obj-$(CONFIG_CPU_PABRT_LEGACY) += pabort-legacy.o
obj-$(CONFIG_CPU_PABRT_V6) += pabort-v6.o
obj-$(CONFIG_CPU_PABRT_V7) += pabort-v7.o
obj-$(CONFIG_CPU_CACHE_V3) += cache-v3.o
obj-$(CONFIG_CPU_CACHE_V4) += cache-v4.o
obj-$(CONFIG_CPU_CACHE_V4WT) += cache-v4wt.o
obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o
......
arch/arm/mm/cache-feroceon-l2.c
浏览文件 @ 6e0895c2
......@@ -343,6 +343,7 @@ void __init feroceon_l2_init(int __l2_wt_override)
outer_cache.inv_range = feroceon_l2_inv_range;
outer_cache.clean_range = feroceon_l2_clean_range;
outer_cache.flush_range = feroceon_l2_flush_range;
outer_cache.inv_all = l2_inv_all;
enable_l2();
......
arch/arm/mm/cache-v3.S 已删除 100644 → 0
浏览文件 @ 55fbbe46
/*
* linux/arch/arm/mm/cache-v3.S
*
* Copyright (C) 1997-2002 Russell king
*
* 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 <linux/linkage.h>
#include <linux/init.h>
#include <asm/page.h>
#include "proc-macros.S"
/*
* flush_icache_all()
*
* Unconditionally clean and invalidate the entire icache.
*/
ENTRY(v3_flush_icache_all)
mov pc, lr
ENDPROC(v3_flush_icache_all)
/*
* flush_user_cache_all()
*
* Invalidate all cache entries in a particular address
* space.
*
* - mm - mm_struct describing address space
*/
ENTRY(v3_flush_user_cache_all)
/* FALLTHROUGH */
/*
* flush_kern_cache_all()
*
* Clean and invalidate the entire cache.
*/
ENTRY(v3_flush_kern_cache_all)
/* FALLTHROUGH */
/*
* flush_user_cache_range(start, end, flags)
*
* Invalidate a range of cache entries in the specified
* address space.
*
* - start - start address (may not be aligned)
* - end - end address (exclusive, may not be aligned)
* - flags - vma_area_struct flags describing address space
*/
ENTRY(v3_flush_user_cache_range)
mov ip, #0
mcreq p15, 0, ip, c7, c0, 0 @ flush ID cache
mov pc, lr
/*
* coherent_kern_range(start, end)
*
* Ensure coherency between the Icache and the Dcache in the
* region described by start. If you have non-snooping
* Harvard caches, you need to implement this function.
*
* - start - virtual start address
* - end - virtual end address
*/
ENTRY(v3_coherent_kern_range)
/* FALLTHROUGH */
/*
* coherent_user_range(start, end)
*
* Ensure coherency between the Icache and the Dcache in the
* region described by start. If you have non-snooping
* Harvard caches, you need to implement this function.
*
* - start - virtual start address
* - end - virtual end address
*/
ENTRY(v3_coherent_user_range)
mov r0, #0
mov pc, lr
/*
* flush_kern_dcache_area(void *page, size_t size)
*
* Ensure no D cache aliasing occurs, either with itself or
* the I cache
*
* - addr - kernel address
* - size - region size
*/
ENTRY(v3_flush_kern_dcache_area)
/* FALLTHROUGH */
/*
* dma_flush_range(start, end)
*
* Clean and invalidate the specified virtual address range.
*
* - start - virtual start address
* - end - virtual end address
*/
ENTRY(v3_dma_flush_range)
mov r0, #0
mcr p15, 0, r0, c7, c0, 0 @ flush ID cache
mov pc, lr
/*
* dma_unmap_area(start, size, dir)
* - start - kernel virtual start address
* - size - size of region
* - dir - DMA direction
*/
ENTRY(v3_dma_unmap_area)
teq r2, #DMA_TO_DEVICE
bne v3_dma_flush_range
/* FALLTHROUGH */
/*
* dma_map_area(start, size, dir)
* - start - kernel virtual start address
* - size - size of region
* - dir - DMA direction
*/
ENTRY(v3_dma_map_area)
mov pc, lr
ENDPROC(v3_dma_unmap_area)
ENDPROC(v3_dma_map_area)
.globl v3_flush_kern_cache_louis
.equ v3_flush_kern_cache_louis, v3_flush_kern_cache_all
__INITDATA
@ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
define_cache_functions v3
arch/arm/mm/cache-v4.S
浏览文件 @ 6e0895c2
......@@ -58,7 +58,7 @@ ENTRY(v4_flush_kern_cache_all)
ENTRY(v4_flush_user_cache_range)
#ifdef CONFIG_CPU_CP15
mov ip, #0
mcreq p15, 0, ip, c7, c7, 0 @ flush ID cache
mcr p15, 0, ip, c7, c7, 0 @ flush ID cache
mov pc, lr
#else
/* FALLTHROUGH */
......
arch/arm/mm/mmu.c
浏览文件 @ 6e0895c2
......@@ -34,6 +34,7 @@
#include <asm/mach/pci.h>
#include "mm.h"
#include "tcm.h"
/*
* empty_zero_page is a special page that is used for
......@@ -1277,6 +1278,7 @@ void __init paging_init(struct machine_desc *mdesc)
dma_contiguous_remap();
devicemaps_init(mdesc);
kmap_init();
tcm_init();
top_pmd = pmd_off_k(0xffff0000);
......
arch/arm/mm/proc-arm740.S
浏览文件 @ 6e0895c2
......@@ -77,24 +77,27 @@ __arm740_setup:
mcr p15, 0, r0, c6, c0 @ set area 0, default
ldr r0, =(CONFIG_DRAM_BASE & 0xFFFFF000) @ base[31:12] of RAM
ldr r1, =(CONFIG_DRAM_SIZE >> 12) @ size of RAM (must be >= 4KB)
mov r2, #10 @ 11 is the minimum (4KB)
1: add r2, r2, #1 @ area size *= 2
mov r1, r1, lsr #1
ldr r3, =(CONFIG_DRAM_SIZE >> 12) @ size of RAM (must be >= 4KB)
mov r4, #10 @ 11 is the minimum (4KB)
1: add r4, r4, #1 @ area size *= 2
movs r3, r3, lsr #1
bne 1b @ count not zero r-shift
orr r0, r0, r2, lsl #1 @ the area register value
orr r0, r0, r4, lsl #1 @ the area register value
orr r0, r0, #1 @ set enable bit
mcr p15, 0, r0, c6, c1 @ set area 1, RAM
ldr r0, =(CONFIG_FLASH_MEM_BASE & 0xFFFFF000) @ base[31:12] of FLASH
ldr r1, =(CONFIG_FLASH_SIZE >> 12) @ size of FLASH (must be >= 4KB)
mov r2, #10 @ 11 is the minimum (4KB)
1: add r2, r2, #1 @ area size *= 2
mov r1, r1, lsr #1
ldr r3, =(CONFIG_FLASH_SIZE >> 12) @ size of FLASH (must be >= 4KB)
cmp r3, #0
moveq r0, #0
beq 2f
mov r4, #10 @ 11 is the minimum (4KB)
1: add r4, r4, #1 @ area size *= 2
movs r3, r3, lsr #1
bne 1b @ count not zero r-shift
orr r0, r0, r2, lsl #1 @ the area register value
orr r0, r0, r4, lsl #1 @ the area register value
orr r0, r0, #1 @ set enable bit
mcr p15, 0, r0, c6, c2 @ set area 2, ROM/FLASH
2: mcr p15, 0, r0, c6, c2 @ set area 2, ROM/FLASH
mov r0, #0x06
mcr p15, 0, r0, c2, c0 @ Region 1&2 cacheable
......@@ -137,13 +140,14 @@ __arm740_proc_info:
.long 0x41807400
.long 0xfffffff0
.long 0
.long 0
b __arm740_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT
.long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_26BIT
.long cpu_arm740_name
.long arm740_processor_functions
.long 0
.long 0
.long v3_cache_fns @ cache model
.long v4_cache_fns @ cache model
.size __arm740_proc_info, . - __arm740_proc_info
arch/arm/mm/proc-arm920.S
浏览文件 @ 6e0895c2
......@@ -387,7 +387,7 @@ ENTRY(cpu_arm920_set_pte_ext)
/* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
.globl cpu_arm920_suspend_size
.equ cpu_arm920_suspend_size, 4 * 3
#ifdef CONFIG_PM_SLEEP
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_arm920_do_suspend)
stmfd sp!, {r4 - r6, lr}
mrc p15, 0, r4, c13, c0, 0 @ PID
......
arch/arm/mm/proc-arm926.S
浏览文件 @ 6e0895c2
......@@ -402,7 +402,7 @@ ENTRY(cpu_arm926_set_pte_ext)
/* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
.globl cpu_arm926_suspend_size
.equ cpu_arm926_suspend_size, 4 * 3
#ifdef CONFIG_PM_SLEEP
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_arm926_do_suspend)
stmfd sp!, {r4 - r6, lr}
mrc p15, 0, r4, c13, c0, 0 @ PID
......
arch/arm/mm/proc-mohawk.S
浏览文件 @ 6e0895c2
......@@ -350,7 +350,7 @@ ENTRY(cpu_mohawk_set_pte_ext)
.globl cpu_mohawk_suspend_size
.equ cpu_mohawk_suspend_size, 4 * 6
#ifdef CONFIG_PM_SLEEP
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_mohawk_do_suspend)
stmfd sp!, {r4 - r9, lr}
mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode
......
arch/arm/mm/proc-sa1100.S
浏览文件 @ 6e0895c2
......@@ -172,7 +172,7 @@ ENTRY(cpu_sa1100_set_pte_ext)
.globl cpu_sa1100_suspend_size
.equ cpu_sa1100_suspend_size, 4 * 3
#ifdef CONFIG_PM_SLEEP
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_sa1100_do_suspend)
stmfd sp!, {r4 - r6, lr}
mrc p15, 0, r4, c3, c0, 0 @ domain ID
......
arch/arm/mm/proc-syms.c
浏览文件 @ 6e0895c2
......@@ -17,7 +17,9 @@
#ifndef MULTI_CPU
EXPORT_SYMBOL(cpu_dcache_clean_area);
#ifdef CONFIG_MMU
EXPORT_SYMBOL(cpu_set_pte_ext);
#endif
#else
EXPORT_SYMBOL(processor);
#endif
......
arch/arm/mm/proc-v6.S
浏览文件 @ 6e0895c2
......@@ -138,7 +138,7 @@ ENTRY(cpu_v6_set_pte_ext)
/* Suspend/resume support: taken from arch/arm/mach-s3c64xx/sleep.S */
.globl cpu_v6_suspend_size
.equ cpu_v6_suspend_size, 4 * 6
#ifdef CONFIG_PM_SLEEP
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_v6_do_suspend)
stmfd sp!, {r4 - r9, lr}
mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
......
arch/arm/mm/proc-xsc3.S
浏览文件 @ 6e0895c2
......@@ -413,7 +413,7 @@ ENTRY(cpu_xsc3_set_pte_ext)
.globl cpu_xsc3_suspend_size
.equ cpu_xsc3_suspend_size, 4 * 6
#ifdef CONFIG_PM_SLEEP
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_xsc3_do_suspend)
stmfd sp!, {r4 - r9, lr}
mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode
......
arch/arm/mm/proc-xscale.S
浏览文件 @ 6e0895c2
......@@ -528,7 +528,7 @@ ENTRY(cpu_xscale_set_pte_ext)
.globl cpu_xscale_suspend_size
.equ cpu_xscale_suspend_size, 4 * 6
#ifdef CONFIG_PM_SLEEP
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_xscale_do_suspend)
stmfd sp!, {r4 - r9, lr}
mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode
......
arch/avr32/include/asm/io.h
浏览文件 @ 6e0895c2
......@@ -165,6 +165,10 @@ BUILDIO_IOPORT(l, u32)
#define readw_be __raw_readw
#define readl_be __raw_readl
#define writeb_relaxed writeb
#define writew_relaxed writew
#define writel_relaxed writel
#define writeb_be __raw_writeb
#define writew_be __raw_writew
#define writel_be __raw_writel
......
arch/c6x/include/asm/irqflags.h
浏览文件 @ 6e0895c2
......@@ -27,7 +27,7 @@ static inline unsigned long arch_local_save_flags(void)
/* set interrupt enabled status */
static inline void arch_local_irq_restore(unsigned long flags)
{
asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags));
asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags) : "memory");
}
/* unconditionally enable interrupts */
......
arch/ia64/kernel/palinfo.c
浏览文件 @ 6e0895c2
......@@ -849,17 +849,6 @@ static palinfo_entry_t palinfo_entries[]={
#define NR_PALINFO_ENTRIES (int) ARRAY_SIZE(palinfo_entries)
/*
* this array is used to keep track of the proc entries we create. This is
* required in the module mode when we need to remove all entries. The procfs code
* does not do recursion of deletion
*
* Notes:
* - +1 accounts for the cpuN directory entry in /proc/pal
*/
#define NR_PALINFO_PROC_ENTRIES (NR_CPUS*(NR_PALINFO_ENTRIES+1))
static struct proc_dir_entry *palinfo_proc_entries[NR_PALINFO_PROC_ENTRIES];
static struct proc_dir_entry *palinfo_dir;
/*
......@@ -971,60 +960,32 @@ palinfo_read_entry(char *page, char **start, off_t off, int count, int *eof, voi
static void __cpuinit
create_palinfo_proc_entries(unsigned int cpu)
{
# define CPUSTR "cpu%d"
pal_func_cpu_u_t f;
struct proc_dir_entry **pdir;
struct proc_dir_entry *cpu_dir;
int j;
char cpustr[sizeof(CPUSTR)];
/*
* we keep track of created entries in a depth-first order for
* cleanup purposes. Each entry is stored into palinfo_proc_entries
*/
sprintf(cpustr,CPUSTR, cpu);
char cpustr[3+4+1]; /* cpu numbers are up to 4095 on itanic */
sprintf(cpustr, "cpu%d", cpu);
cpu_dir = proc_mkdir(cpustr, palinfo_dir);
if (!cpu_dir)
return;
f.req_cpu = cpu;
/*
* Compute the location to store per cpu entries
* We dont store the top level entry in this list, but
* remove it finally after removing all cpu entries.
*/
pdir = &palinfo_proc_entries[cpu*(NR_PALINFO_ENTRIES+1)];
*pdir++ = cpu_dir;
for (j=0; j < NR_PALINFO_ENTRIES; j++) {
f.func_id = j;
*pdir = create_proc_read_entry(
palinfo_entries[j].name, 0, cpu_dir,
palinfo_read_entry, (void *)f.value);
pdir++;
create_proc_read_entry(
palinfo_entries[j].name, 0, cpu_dir,
palinfo_read_entry, (void *)f.value);
}
}
static void
remove_palinfo_proc_entries(unsigned int hcpu)
{
int j;
struct proc_dir_entry *cpu_dir, **pdir;
pdir = &palinfo_proc_entries[hcpu*(NR_PALINFO_ENTRIES+1)];
cpu_dir = *pdir;
*pdir++=NULL;
for (j=0; j < (NR_PALINFO_ENTRIES); j++) {
if ((*pdir)) {
remove_proc_entry ((*pdir)->name, cpu_dir);
*pdir ++= NULL;
}
}
if (cpu_dir) {
remove_proc_entry(cpu_dir->name, palinfo_dir);
}
char cpustr[3+4+1]; /* cpu numbers are up to 4095 on itanic */
sprintf(cpustr, "cpu%d", hcpu);
remove_proc_subtree(cpustr, palinfo_dir);
}
static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
......@@ -1058,6 +1019,8 @@ palinfo_init(void)
printk(KERN_INFO "PAL Information Facility v%s\n", PALINFO_VERSION);
palinfo_dir = proc_mkdir("pal", NULL);
if (!palinfo_dir)
return -ENOMEM;
/* Create palinfo dirs in /proc for all online cpus */
for_each_online_cpu(i) {
......@@ -1073,22 +1036,8 @@ palinfo_init(void)
static void __exit
palinfo_exit(void)
{
int i = 0;
/* remove all nodes: depth first pass. Could optimize this */
for_each_online_cpu(i) {
remove_palinfo_proc_entries(i);
}
/*
* Remove the top level entry finally
*/
remove_proc_entry(palinfo_dir->name, NULL);
/*
* Unregister from cpu notifier callbacks
*/
unregister_hotcpu_notifier(&palinfo_cpu_notifier);
remove_proc_subtree("pal", NULL);
}
module_init(palinfo_init);
......
arch/m68k/include/asm/gpio.h
浏览文件 @ 6e0895c2
......@@ -86,4 +86,24 @@ static inline int gpio_cansleep(unsigned gpio)
return gpio < MCFGPIO_PIN_MAX ? 0 : __gpio_cansleep(gpio);
}
static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
{
int err;
err = gpio_request(gpio, label);
if (err)
return err;
if (flags & GPIOF_DIR_IN)
err = gpio_direction_input(gpio);
else
err = gpio_direction_output(gpio,
(flags & GPIOF_INIT_HIGH) ? 1 : 0);
if (err)
gpio_free(gpio);
return err;
}
#endif
arch/powerpc/kernel/entry_64.S
浏览文件 @ 6e0895c2
......@@ -304,7 +304,7 @@ syscall_exit_work:
subi r12,r12,TI_FLAGS
4: /* Anything else left to do? */
SET_DEFAULT_THREAD_PPR(r3, r9) /* Set thread.ppr = 3 */
SET_DEFAULT_THREAD_PPR(r3, r10) /* Set thread.ppr = 3 */
andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP)
beq .ret_from_except_lite
......@@ -657,7 +657,7 @@ resume_kernel:
/* Clear _TIF_EMULATE_STACK_STORE flag */
lis r11,_TIF_EMULATE_STACK_STORE@h
addi r5,r9,TI_FLAGS
ldarx r4,0,r5
0: ldarx r4,0,r5
andc r4,r4,r11
stdcx. r4,0,r5
bne- 0b
......
arch/powerpc/kernel/process.c
浏览文件 @ 6e0895c2
......@@ -555,10 +555,12 @@ static inline void tm_recheckpoint_new_task(struct task_struct *new)
new->thread.regs->msr |=
(MSR_FP | new->thread.fpexc_mode);
}
#ifdef CONFIG_ALTIVEC
if (msr & MSR_VEC) {
do_load_up_transact_altivec(&new->thread);
new->thread.regs->msr |= MSR_VEC;
}
#endif
/* We may as well turn on VSX too since all the state is restored now */
if (msr & MSR_VSX)
new->thread.regs->msr |= MSR_VSX;
......
arch/powerpc/kernel/signal_32.c
浏览文件 @ 6e0895c2
......@@ -866,10 +866,12 @@ static long restore_tm_user_regs(struct pt_regs *regs,
do_load_up_transact_fpu(&current->thread);
regs->msr |= (MSR_FP | current->thread.fpexc_mode);
}
#ifdef CONFIG_ALTIVEC
if (msr & MSR_VEC) {
do_load_up_transact_altivec(&current->thread);
regs->msr |= MSR_VEC;
}
#endif
return 0;
}
......
arch/powerpc/kernel/signal_64.c
浏览文件 @ 6e0895c2
......@@ -522,10 +522,12 @@ static long restore_tm_sigcontexts(struct pt_regs *regs,
do_load_up_transact_fpu(&current->thread);
regs->msr |= (MSR_FP | current->thread.fpexc_mode);
}
#ifdef CONFIG_ALTIVEC
if (msr & MSR_VEC) {
do_load_up_transact_altivec(&current->thread);
regs->msr |= MSR_VEC;
}
#endif
return err;
}
......
arch/powerpc/kernel/tm.S
浏览文件 @ 6e0895c2
......@@ -309,6 +309,7 @@ _GLOBAL(tm_recheckpoint)
or r5, r6, r5 /* Set MSR.FP+.VSX/.VEC */
mtmsr r5
#ifdef CONFIG_ALTIVEC
/* FP and VEC registers: These are recheckpointed from thread.fpr[]
* and thread.vr[] respectively. The thread.transact_fpr[] version
* is more modern, and will be loaded subsequently by any FPUnavailable
......@@ -323,6 +324,7 @@ _GLOBAL(tm_recheckpoint)
REST_32VRS(0, r5, r3) /* r5 scratch, r3 THREAD ptr */
ld r5, THREAD_VRSAVE(r3)
mtspr SPRN_VRSAVE, r5
#endif
dont_restore_vec:
andi. r0, r4, MSR_FP
......
arch/powerpc/kvm/e500.h
浏览文件 @ 6e0895c2
......@@ -26,17 +26,20 @@
#define E500_PID_NUM 3
#define E500_TLB_NUM 2
#define E500_TLB_VALID 1
#define E500_TLB_BITMAP 2
/* entry is mapped somewhere in host TLB */
#define E500_TLB_VALID (1 << 0)
/* TLB1 entry is mapped by host TLB1, tracked by bitmaps */
#define E500_TLB_BITMAP (1 << 1)
/* TLB1 entry is mapped by host TLB0 */
#define E500_TLB_TLB0 (1 << 2)
struct tlbe_ref {
pfn_t pfn;
unsigned int flags; /* E500_TLB_* */
pfn_t pfn; /* valid only for TLB0, except briefly */
unsigned int flags; /* E500_TLB_* */
};
struct tlbe_priv {
struct tlbe_ref ref; /* TLB0 only -- TLB1 uses tlb_refs */
struct tlbe_ref ref;
};
#ifdef CONFIG_KVM_E500V2
......@@ -63,17 +66,6 @@ struct kvmppc_vcpu_e500 {
unsigned int gtlb_nv[E500_TLB_NUM];
/*
* information associated with each host TLB entry --
* TLB1 only for now. If/when guest TLB1 entries can be
* mapped with host TLB0, this will be used for that too.
*
* We don't want to use this for guest TLB0 because then we'd
* have the overhead of doing the translation again even if
* the entry is still in the guest TLB (e.g. we swapped out
* and back, and our host TLB entries got evicted).
*/
struct tlbe_ref *tlb_refs[E500_TLB_NUM];
unsigned int host_tlb1_nv;
u32 svr;
......
arch/powerpc/kvm/e500_mmu_host.c
浏览文件 @ 6e0895c2
......@@ -193,8 +193,11 @@ void inval_gtlbe_on_host(struct kvmppc_vcpu_e500 *vcpu_e500, int tlbsel,
struct tlbe_ref *ref = &vcpu_e500->gtlb_priv[tlbsel][esel].ref;
/* Don't bother with unmapped entries */
if (!(ref->flags & E500_TLB_VALID))
return;
if (!(ref->flags & E500_TLB_VALID)) {
WARN(ref->flags & (E500_TLB_BITMAP | E500_TLB_TLB0),
"%s: flags %x\n", __func__, ref->flags);
WARN_ON(tlbsel == 1 && vcpu_e500->g2h_tlb1_map[esel]);
}
if (tlbsel == 1 && ref->flags & E500_TLB_BITMAP) {
u64 tmp = vcpu_e500->g2h_tlb1_map[esel];
......@@ -248,7 +251,7 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
pfn_t pfn)
{
ref->pfn = pfn;
ref->flags = E500_TLB_VALID;
ref->flags |= E500_TLB_VALID;
if (tlbe_is_writable(gtlbe))
kvm_set_pfn_dirty(pfn);
......@@ -257,6 +260,7 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
static inline void kvmppc_e500_ref_release(struct tlbe_ref *ref)
{
if (ref->flags & E500_TLB_VALID) {
/* FIXME: don't log bogus pfn for TLB1 */
trace_kvm_booke206_ref_release(ref->pfn, ref->flags);
ref->flags = 0;
}
......@@ -274,36 +278,23 @@ static void clear_tlb1_bitmap(struct kvmppc_vcpu_e500 *vcpu_e500)
static void clear_tlb_privs(struct kvmppc_vcpu_e500 *vcpu_e500)
{
int tlbsel = 0;
int i;
for (i = 0; i < vcpu_e500->gtlb_params[tlbsel].entries; i++) {
struct tlbe_ref *ref =
&vcpu_e500->gtlb_priv[tlbsel][i].ref;
kvmppc_e500_ref_release(ref);
}
}
static void clear_tlb_refs(struct kvmppc_vcpu_e500 *vcpu_e500)
{
int stlbsel = 1;
int tlbsel;
int i;
kvmppc_e500_tlbil_all(vcpu_e500);
for (i = 0; i < host_tlb_params[stlbsel].entries; i++) {
struct tlbe_ref *ref =
&vcpu_e500->tlb_refs[stlbsel][i];
kvmppc_e500_ref_release(ref);
for (tlbsel = 0; tlbsel <= 1; tlbsel++) {
for (i = 0; i < vcpu_e500->gtlb_params[tlbsel].entries; i++) {
struct tlbe_ref *ref =
&vcpu_e500->gtlb_priv[tlbsel][i].ref;
kvmppc_e500_ref_release(ref);
}
}
clear_tlb_privs(vcpu_e500);
}
void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu)
{
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
clear_tlb_refs(vcpu_e500);
kvmppc_e500_tlbil_all(vcpu_e500);
clear_tlb_privs(vcpu_e500);
clear_tlb1_bitmap(vcpu_e500);
}
......@@ -458,8 +449,6 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
}
/* Drop old ref and setup new one. */
kvmppc_e500_ref_release(ref);
kvmppc_e500_ref_setup(ref, gtlbe, pfn);
kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize,
......@@ -507,14 +496,15 @@ static int kvmppc_e500_tlb1_map_tlb1(struct kvmppc_vcpu_e500 *vcpu_e500,
if (unlikely(vcpu_e500->host_tlb1_nv >= tlb1_max_shadow_size()))
vcpu_e500->host_tlb1_nv = 0;
vcpu_e500->tlb_refs[1][sesel] = *ref;
vcpu_e500->g2h_tlb1_map[esel] |= (u64)1 << sesel;
vcpu_e500->gtlb_priv[1][esel].ref.flags |= E500_TLB_BITMAP;
if (vcpu_e500->h2g_tlb1_rmap[sesel]) {
unsigned int idx = vcpu_e500->h2g_tlb1_rmap[sesel];
unsigned int idx = vcpu_e500->h2g_tlb1_rmap[sesel] - 1;
vcpu_e500->g2h_tlb1_map[idx] &= ~(1ULL << sesel);
}
vcpu_e500->h2g_tlb1_rmap[sesel] = esel;
vcpu_e500->gtlb_priv[1][esel].ref.flags |= E500_TLB_BITMAP;
vcpu_e500->g2h_tlb1_map[esel] |= (u64)1 << sesel;
vcpu_e500->h2g_tlb1_rmap[sesel] = esel + 1;
WARN_ON(!(ref->flags & E500_TLB_VALID));
return sesel;
}
......@@ -526,13 +516,12 @@ static int kvmppc_e500_tlb1_map(struct kvmppc_vcpu_e500 *vcpu_e500,
u64 gvaddr, gfn_t gfn, struct kvm_book3e_206_tlb_entry *gtlbe,
struct kvm_book3e_206_tlb_entry *stlbe, int esel)
{
struct tlbe_ref ref;
struct tlbe_ref *ref = &vcpu_e500->gtlb_priv[1][esel].ref;
int sesel;
int r;
ref.flags = 0;
r = kvmppc_e500_shadow_map(vcpu_e500, gvaddr, gfn, gtlbe, 1, stlbe,
&ref);
ref);
if (r)
return r;
......@@ -544,7 +533,7 @@ static int kvmppc_e500_tlb1_map(struct kvmppc_vcpu_e500 *vcpu_e500,
}
/* Otherwise map into TLB1 */
sesel = kvmppc_e500_tlb1_map_tlb1(vcpu_e500, &ref, esel);
sesel = kvmppc_e500_tlb1_map_tlb1(vcpu_e500, ref, esel);
write_stlbe(vcpu_e500, gtlbe, stlbe, 1, sesel);
return 0;
......@@ -565,7 +554,7 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 eaddr, gpa_t gpaddr,
case 0:
priv = &vcpu_e500->gtlb_priv[tlbsel][esel];
/* Triggers after clear_tlb_refs or on initial mapping */
/* Triggers after clear_tlb_privs or on initial mapping */
if (!(priv->ref.flags & E500_TLB_VALID)) {
kvmppc_e500_tlb0_map(vcpu_e500, esel, &stlbe);
} else {
......@@ -665,35 +654,16 @@ int e500_mmu_host_init(struct kvmppc_vcpu_e500 *vcpu_e500)
host_tlb_params[0].entries / host_tlb_params[0].ways;
host_tlb_params[1].sets = 1;
vcpu_e500->tlb_refs[0] =
kzalloc(sizeof(struct tlbe_ref) * host_tlb_params[0].entries,
GFP_KERNEL);
if (!vcpu_e500->tlb_refs[0])
goto err;
vcpu_e500->tlb_refs[1] =
kzalloc(sizeof(struct tlbe_ref) * host_tlb_params[1].entries,
GFP_KERNEL);
if (!vcpu_e500->tlb_refs[1])
goto err;
vcpu_e500->h2g_tlb1_rmap = kzalloc(sizeof(unsigned int) *
host_tlb_params[1].entries,
GFP_KERNEL);
if (!vcpu_e500->h2g_tlb1_rmap)
goto err;
return -EINVAL;
return 0;
err:
kfree(vcpu_e500->tlb_refs[0]);
kfree(vcpu_e500->tlb_refs[1]);
return -EINVAL;
}
void e500_mmu_host_uninit(struct kvmppc_vcpu_e500 *vcpu_e500)
{
kfree(vcpu_e500->h2g_tlb1_rmap);
kfree(vcpu_e500->tlb_refs[0]);
kfree(vcpu_e500->tlb_refs[1]);
}
arch/powerpc/kvm/e500mc.c
浏览文件 @ 6e0895c2
......@@ -108,6 +108,8 @@ void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr)
{
}
static DEFINE_PER_CPU(struct kvm_vcpu *, last_vcpu_on_cpu);
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
......@@ -136,8 +138,11 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
mtspr(SPRN_GDEAR, vcpu->arch.shared->dar);
mtspr(SPRN_GESR, vcpu->arch.shared->esr);
if (vcpu->arch.oldpir != mfspr(SPRN_PIR))
if (vcpu->arch.oldpir != mfspr(SPRN_PIR) ||
__get_cpu_var(last_vcpu_on_cpu) != vcpu) {
kvmppc_e500_tlbil_all(vcpu_e500);
__get_cpu_var(last_vcpu_on_cpu) = vcpu;
}
kvmppc_load_guest_fp(vcpu);
}
......
arch/powerpc/platforms/pseries/lpar.c
浏览文件 @ 6e0895c2
......@@ -186,7 +186,13 @@ static long pSeries_lpar_hpte_remove(unsigned long hpte_group)
(0x1UL << 4), &dummy1, &dummy2);
if (lpar_rc == H_SUCCESS)
return i;
BUG_ON(lpar_rc != H_NOT_FOUND);
/*
* The test for adjunct partition is performed before the
* ANDCOND test. H_RESOURCE may be returned, so we need to
* check for that as well.
*/
BUG_ON(lpar_rc != H_NOT_FOUND && lpar_rc != H_RESOURCE);
slot_offset++;
slot_offset &= 0x7;
......
arch/s390/include/asm/io.h
浏览文件 @ 6e0895c2
......@@ -50,10 +50,6 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr);
#define ioremap_nocache(addr, size) ioremap(addr, size)
#define ioremap_wc ioremap_nocache
/* TODO: s390 cannot support io_remap_pfn_range... */
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)
static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
{
return (void __iomem *) offset;
......
arch/s390/include/asm/pgtable.h
浏览文件 @ 6e0895c2
......@@ -57,6 +57,10 @@ extern unsigned long zero_page_mask;
(((unsigned long)(vaddr)) &zero_page_mask))))
#define __HAVE_COLOR_ZERO_PAGE
/* TODO: s390 cannot support io_remap_pfn_range... */
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)
#endif /* !__ASSEMBLY__ */
/*
......
arch/sparc/include/asm/Kbuild
浏览文件 @ 6e0895c2
......@@ -2,11 +2,16 @@
generic-y += clkdev.h
generic-y += cputime.h
generic-y += div64.h
generic-y += emergency-restart.h
generic-y += exec.h
generic-y += local64.h
generic-y += mutex.h
generic-y += irq_regs.h
generic-y += local.h
generic-y += module.h
generic-y += serial.h
generic-y += trace_clock.h
generic-y += types.h
generic-y += word-at-a-time.h
arch/sparc/include/asm/cputime.h 已删除 100644 → 0
浏览文件 @ 55fbbe46
#ifndef __SPARC_CPUTIME_H
#define __SPARC_CPUTIME_H
#include <asm-generic/cputime.h>
#endif /* __SPARC_CPUTIME_H */
arch/sparc/include/asm/emergency-restart.h 已删除 100644 → 0
浏览文件 @ 55fbbe46
#ifndef _ASM_EMERGENCY_RESTART_H
#define _ASM_EMERGENCY_RESTART_H
#include <asm-generic/emergency-restart.h>
#endif /* _ASM_EMERGENCY_RESTART_H */
arch/sparc/include/asm/mutex.h 已删除 100644 → 0
浏览文件 @ 55fbbe46
/*
* Pull in the generic implementation for the mutex fastpath.
*
* TODO: implement optimized primitives instead, or leave the generic
* implementation in place, or pick the atomic_xchg() based generic
* implementation. (see asm-generic/mutex-xchg.h for details)
*/
#include <asm-generic/mutex-dec.h>
arch/sparc/include/asm/pgtable_64.h
浏览文件 @ 6e0895c2
......@@ -915,6 +915,7 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
}
#include <asm/tlbflush.h>
#include <asm-generic/pgtable.h>
/* We provide our own get_unmapped_area to cope with VA holes and
......
arch/sparc/include/asm/serial.h 已删除 100644 → 0
浏览文件 @ 55fbbe46
#ifndef __SPARC_SERIAL_H
#define __SPARC_SERIAL_H
#define BASE_BAUD ( 1843200 / 16 )
#endif /* __SPARC_SERIAL_H */
arch/sparc/include/asm/smp_32.h
浏览文件 @ 6e0895c2
......@@ -36,7 +36,6 @@ typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long);
void cpu_panic(void);
extern void smp4m_irq_rotate(int cpu);
/*
* General functions that each host system must provide.
......@@ -46,7 +45,6 @@ void sun4m_init_smp(void);
void sun4d_init_smp(void);
void smp_callin(void);
void smp_boot_cpus(void);
void smp_store_cpu_info(int);
void smp_resched_interrupt(void);
......@@ -107,9 +105,6 @@ extern int hard_smp_processor_id(void);
#define raw_smp_processor_id() (current_thread_info()->cpu)
#define prof_multiplier(__cpu) cpu_data(__cpu).multiplier
#define prof_counter(__cpu) cpu_data(__cpu).counter
void smp_setup_cpu_possible_map(void);
#endif /* !(__ASSEMBLY__) */
......
arch/sparc/include/asm/switch_to_64.h
浏览文件 @ 6e0895c2
......@@ -18,8 +18,7 @@ do { \
* and 2 stores in this critical code path. -DaveM
*/
#define switch_to(prev, next, last) \
do { flush_tlb_pending(); \
save_and_clear_fpu(); \
do { save_and_clear_fpu(); \
/* If you are tempted to conditionalize the following */ \
/* so that ASI is only written if it changes, think again. */ \
__asm__ __volatile__("wr %%g0, %0, %%asi" \
......
arch/sparc/include/asm/tlbflush_64.h
浏览文件 @ 6e0895c2
......@@ -11,24 +11,40 @@
struct tlb_batch {
struct mm_struct *mm;
unsigned long tlb_nr;
unsigned long active;
unsigned long vaddrs[TLB_BATCH_NR];
};
extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
extern void flush_tsb_user(struct tlb_batch *tb);
extern void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
/* TLB flush operations. */
extern void flush_tlb_pending(void);
static inline void flush_tlb_mm(struct mm_struct *mm)
{
}
static inline void flush_tlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
static inline void flush_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
}
#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
#define flush_tlb_range(vma,start,end) \
do { (void)(start); flush_tlb_pending(); } while (0)
#define flush_tlb_page(vma,addr) flush_tlb_pending()
#define flush_tlb_mm(mm) flush_tlb_pending()
extern void flush_tlb_pending(void);
extern void arch_enter_lazy_mmu_mode(void);
extern void arch_leave_lazy_mmu_mode(void);
#define arch_flush_lazy_mmu_mode() do {} while (0)
/* Local cpu only. */
extern void __flush_tlb_all(void);
extern void __flush_tlb_page(unsigned long context, unsigned long vaddr);
extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
#ifndef CONFIG_SMP
......@@ -38,15 +54,24 @@ do { flush_tsb_kernel_range(start,end); \
__flush_tlb_kernel_range(start,end); \
} while (0)
static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
{
__flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
}
#else /* CONFIG_SMP */
extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
#define flush_tlb_kernel_range(start, end) \
do { flush_tsb_kernel_range(start,end); \
smp_flush_tlb_kernel_range(start, end); \
} while (0)
#define global_flush_tlb_page(mm, vaddr) \
smp_flush_tlb_page(mm, vaddr)
#endif /* ! CONFIG_SMP */
#endif /* _SPARC64_TLBFLUSH_H */
arch/sparc/include/uapi/asm/Kbuild
浏览文件 @ 6e0895c2
......@@ -44,7 +44,6 @@ header-y += swab.h
header-y += termbits.h
header-y += termios.h
header-y += traps.h
header-y += types.h
header-y += uctx.h
header-y += unistd.h
header-y += utrap.h
......
arch/sparc/include/uapi/asm/types.h 已删除 100644 → 0
浏览文件 @ 55fbbe46
#ifndef _SPARC_TYPES_H
#define _SPARC_TYPES_H
/*
* This file is never included by application software unless
* explicitly requested (e.g., via linux/types.h) in which case the
* application is Linux specific so (user-) name space pollution is
* not a major issue. However, for interoperability, libraries still
* need to be careful to avoid a name clashes.
*/
#if defined(__sparc__)
#include <asm-generic/int-ll64.h>
#endif /* defined(__sparc__) */
#endif /* defined(_SPARC_TYPES_H) */
arch/sparc/kernel/smp_64.c
浏览文件 @ 6e0895c2
......@@ -849,7 +849,7 @@ void smp_tsb_sync(struct mm_struct *mm)
}
extern unsigned long xcall_flush_tlb_mm;
extern unsigned long xcall_flush_tlb_pending;
extern unsigned long xcall_flush_tlb_page;
extern unsigned long xcall_flush_tlb_kernel_range;
extern unsigned long xcall_fetch_glob_regs;
extern unsigned long xcall_fetch_glob_pmu;
......@@ -1074,23 +1074,56 @@ void smp_flush_tlb_mm(struct mm_struct *mm)
put_cpu();
}
struct tlb_pending_info {
unsigned long ctx;
unsigned long nr;
unsigned long *vaddrs;
};
static void tlb_pending_func(void *info)
{
struct tlb_pending_info *t = info;
__flush_tlb_pending(t->ctx, t->nr, t->vaddrs);
}
void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long *vaddrs)
{
u32 ctx = CTX_HWBITS(mm->context);
struct tlb_pending_info info;
int cpu = get_cpu();
info.ctx = ctx;
info.nr = nr;
info.vaddrs = vaddrs;
if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
else
smp_cross_call_masked(&xcall_flush_tlb_pending,
ctx, nr, (unsigned long) vaddrs,
mm_cpumask(mm));
smp_call_function_many(mm_cpumask(mm), tlb_pending_func,
&info, 1);
__flush_tlb_pending(ctx, nr, vaddrs);
put_cpu();
}
void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
{
unsigned long context = CTX_HWBITS(mm->context);
int cpu = get_cpu();
if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
else
smp_cross_call_masked(&xcall_flush_tlb_page,
context, vaddr, 0,
mm_cpumask(mm));
__flush_tlb_page(context, vaddr);
put_cpu();
}
void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
start &= PAGE_MASK;
......
arch/sparc/lib/bitext.c
浏览文件 @ 6e0895c2
......@@ -119,11 +119,7 @@ void bit_map_clear(struct bit_map *t, int offset, int len)
void bit_map_init(struct bit_map *t, unsigned long *map, int size)
{
if ((size & 07) != 0)
BUG();
memset(map, 0, size>>3);
bitmap_zero(map, size);
memset(t, 0, sizeof *t);
spin_lock_init(&t->lock);
t->map = map;
......
arch/sparc/mm/iommu.c
浏览文件 @ 6e0895c2
......@@ -34,7 +34,7 @@
#define IOMMU_RNGE IOMMU_RNGE_256MB
#define IOMMU_START 0xF0000000
#define IOMMU_WINSIZE (256*1024*1024U)
#define IOMMU_NPTES (IOMMU_WINSIZE/PAGE_SIZE) /* 64K PTEs, 265KB */
#define IOMMU_NPTES (IOMMU_WINSIZE/PAGE_SIZE) /* 64K PTEs, 256KB */
#define IOMMU_ORDER 6 /* 4096 * (1<<6) */
/* srmmu.c */
......
arch/sparc/mm/srmmu.c
浏览文件 @ 6e0895c2
......@@ -280,7 +280,9 @@ static void __init srmmu_nocache_init(void)
SRMMU_NOCACHE_ALIGN_MAX, 0UL);
memset(srmmu_nocache_pool, 0, srmmu_nocache_size);
srmmu_nocache_bitmap = __alloc_bootmem(bitmap_bits >> 3, SMP_CACHE_BYTES, 0UL);
srmmu_nocache_bitmap =
__alloc_bootmem(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
SMP_CACHE_BYTES, 0UL);
bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits);
srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE);
......
arch/sparc/mm/tlb.c
浏览文件 @ 6e0895c2
......@@ -24,11 +24,17 @@ static DEFINE_PER_CPU(struct tlb_batch, tlb_batch);
void flush_tlb_pending(void)
{
struct tlb_batch *tb = &get_cpu_var(tlb_batch);
struct mm_struct *mm = tb->mm;
if (tb->tlb_nr) {
flush_tsb_user(tb);
if (!tb->tlb_nr)
goto out;
if (CTX_VALID(tb->mm->context)) {
flush_tsb_user(tb);
if (CTX_VALID(mm->context)) {
if (tb->tlb_nr == 1) {
global_flush_tlb_page(mm, tb->vaddrs[0]);
} else {
#ifdef CONFIG_SMP
smp_flush_tlb_pending(tb->mm, tb->tlb_nr,
&tb->vaddrs[0]);
......@@ -37,12 +43,30 @@ void flush_tlb_pending(void)
tb->tlb_nr, &tb->vaddrs[0]);
#endif
}
tb->tlb_nr = 0;
}
tb->tlb_nr = 0;
out:
put_cpu_var(tlb_batch);
}
void arch_enter_lazy_mmu_mode(void)
{
struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
tb->active = 1;
}
void arch_leave_lazy_mmu_mode(void)
{
struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
if (tb->tlb_nr)
flush_tlb_pending();
tb->active = 0;
}
static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
bool exec)
{
......@@ -60,6 +84,12 @@ static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
nr = 0;
}
if (!tb->active) {
global_flush_tlb_page(mm, vaddr);
flush_tsb_user_page(mm, vaddr);
return;
}
if (nr == 0)
tb->mm = mm;
......
arch/sparc/mm/tsb.c
浏览文件 @ 6e0895c2
......@@ -7,11 +7,10 @@
#include <linux/preempt.h>
#include <linux/slab.h>
#include <asm/page.h>
#include <asm/tlbflush.h>
#include <asm/tlb.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/mmu_context.h>
#include <asm/tsb.h>
#include <asm/tlb.h>
#include <asm/oplib.h>
extern struct tsb swapper_tsb[KERNEL_TSB_NENTRIES];
......@@ -46,23 +45,27 @@ void flush_tsb_kernel_range(unsigned long start, unsigned long end)
}
}
static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift,
unsigned long tsb, unsigned long nentries)
static void __flush_tsb_one_entry(unsigned long tsb, unsigned long v,
unsigned long hash_shift,
unsigned long nentries)
{
unsigned long i;
unsigned long tag, ent, hash;
for (i = 0; i < tb->tlb_nr; i++) {
unsigned long v = tb->vaddrs[i];
unsigned long tag, ent, hash;
v &= ~0x1UL;
hash = tsb_hash(v, hash_shift, nentries);
ent = tsb + (hash * sizeof(struct tsb));
tag = (v >> 22UL);
v &= ~0x1UL;
tsb_flush(ent, tag);
}
hash = tsb_hash(v, hash_shift, nentries);
ent = tsb + (hash * sizeof(struct tsb));
tag = (v >> 22UL);
static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift,
unsigned long tsb, unsigned long nentries)
{
unsigned long i;
tsb_flush(ent, tag);
}
for (i = 0; i < tb->tlb_nr; i++)
__flush_tsb_one_entry(tsb, tb->vaddrs[i], hash_shift, nentries);
}
void flush_tsb_user(struct tlb_batch *tb)
......@@ -90,6 +93,30 @@ void flush_tsb_user(struct tlb_batch *tb)
spin_unlock_irqrestore(&mm->context.lock, flags);
}
void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr)
{
unsigned long nentries, base, flags;
spin_lock_irqsave(&mm->context.lock, flags);
base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb;
nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries;
if (tlb_type == cheetah_plus || tlb_type == hypervisor)
base = __pa(base);
__flush_tsb_one_entry(base, vaddr, PAGE_SHIFT, nentries);
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
if (mm->context.tsb_block[MM_TSB_HUGE].tsb) {
base = (unsigned long) mm->context.tsb_block[MM_TSB_HUGE].tsb;
nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries;
if (tlb_type == cheetah_plus || tlb_type == hypervisor)
base = __pa(base);
__flush_tsb_one_entry(base, vaddr, HPAGE_SHIFT, nentries);
}
#endif
spin_unlock_irqrestore(&mm->context.lock, flags);
}
#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_8K
#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_8K
......
arch/sparc/mm/ultra.S
浏览文件 @ 6e0895c2
......@@ -52,6 +52,33 @@ __flush_tlb_mm: /* 18 insns */
nop
nop
.align 32
.globl __flush_tlb_page
__flush_tlb_page: /* 22 insns */
/* %o0 = context, %o1 = vaddr */
rdpr %pstate, %g7
andn %g7, PSTATE_IE, %g2
wrpr %g2, %pstate
mov SECONDARY_CONTEXT, %o4
ldxa [%o4] ASI_DMMU, %g2
stxa %o0, [%o4] ASI_DMMU
andcc %o1, 1, %g0
andn %o1, 1, %o3
be,pn %icc, 1f
or %o3, 0x10, %o3
stxa %g0, [%o3] ASI_IMMU_DEMAP
1: stxa %g0, [%o3] ASI_DMMU_DEMAP
membar #Sync
stxa %g2, [%o4] ASI_DMMU
sethi %hi(KERNBASE), %o4
flush %o4
retl
wrpr %g7, 0x0, %pstate
nop
nop
nop
nop
.align 32
.globl __flush_tlb_pending
__flush_tlb_pending: /* 26 insns */
......@@ -203,6 +230,31 @@ __cheetah_flush_tlb_mm: /* 19 insns */
retl
wrpr %g7, 0x0, %pstate
__cheetah_flush_tlb_page: /* 22 insns */
/* %o0 = context, %o1 = vaddr */
rdpr %pstate, %g7
andn %g7, PSTATE_IE, %g2
wrpr %g2, 0x0, %pstate
wrpr %g0, 1, %tl
mov PRIMARY_CONTEXT, %o4
ldxa [%o4] ASI_DMMU, %g2
srlx %g2, CTX_PGSZ1_NUC_SHIFT, %o3
sllx %o3, CTX_PGSZ1_NUC_SHIFT, %o3
or %o0, %o3, %o0 /* Preserve nucleus page size fields */
stxa %o0, [%o4] ASI_DMMU
andcc %o1, 1, %g0
be,pn %icc, 1f
andn %o1, 1, %o3
stxa %g0, [%o3] ASI_IMMU_DEMAP
1: stxa %g0, [%o3] ASI_DMMU_DEMAP
membar #Sync
stxa %g2, [%o4] ASI_DMMU
sethi %hi(KERNBASE), %o4
flush %o4
wrpr %g0, 0, %tl
retl
wrpr %g7, 0x0, %pstate
__cheetah_flush_tlb_pending: /* 27 insns */
/* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
rdpr %pstate, %g7
......@@ -269,6 +321,20 @@ __hypervisor_flush_tlb_mm: /* 10 insns */
retl
nop
__hypervisor_flush_tlb_page: /* 11 insns */
/* %o0 = context, %o1 = vaddr */
mov %o0, %g2
mov %o1, %o0 /* ARG0: vaddr + IMMU-bit */
mov %g2, %o1 /* ARG1: mmu context */
mov HV_MMU_ALL, %o2 /* ARG2: flags */
srlx %o0, PAGE_SHIFT, %o0
sllx %o0, PAGE_SHIFT, %o0
ta HV_MMU_UNMAP_ADDR_TRAP
brnz,pn %o0, __hypervisor_tlb_tl0_error
mov HV_MMU_UNMAP_ADDR_TRAP, %o1
retl
nop
__hypervisor_flush_tlb_pending: /* 16 insns */
/* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
sllx %o1, 3, %g1
......@@ -339,6 +405,13 @@ cheetah_patch_cachetlbops:
call tlb_patch_one
mov 19, %o2
sethi %hi(__flush_tlb_page), %o0
or %o0, %lo(__flush_tlb_page), %o0
sethi %hi(__cheetah_flush_tlb_page), %o1
or %o1, %lo(__cheetah_flush_tlb_page), %o1
call tlb_patch_one
mov 22, %o2
sethi %hi(__flush_tlb_pending), %o0
or %o0, %lo(__flush_tlb_pending), %o0
sethi %hi(__cheetah_flush_tlb_pending), %o1
......@@ -397,10 +470,9 @@ xcall_flush_tlb_mm: /* 21 insns */
nop
nop
.globl xcall_flush_tlb_pending
xcall_flush_tlb_pending: /* 21 insns */
/* %g5=context, %g1=nr, %g7=vaddrs[] */
sllx %g1, 3, %g1
.globl xcall_flush_tlb_page
xcall_flush_tlb_page: /* 17 insns */
/* %g5=context, %g1=vaddr */
mov PRIMARY_CONTEXT, %g4
ldxa [%g4] ASI_DMMU, %g2
srlx %g2, CTX_PGSZ1_NUC_SHIFT, %g4
......@@ -408,20 +480,16 @@ xcall_flush_tlb_pending: /* 21 insns */
or %g5, %g4, %g5
mov PRIMARY_CONTEXT, %g4
stxa %g5, [%g4] ASI_DMMU
1: sub %g1, (1 << 3), %g1
ldx [%g7 + %g1], %g5
andcc %g5, 0x1, %g0
andcc %g1, 0x1, %g0
be,pn %icc, 2f
andn %g5, 0x1, %g5
andn %g1, 0x1, %g5
stxa %g0, [%g5] ASI_IMMU_DEMAP
2: stxa %g0, [%g5] ASI_DMMU_DEMAP
membar #Sync
brnz,pt %g1, 1b
nop
stxa %g2, [%g4] ASI_DMMU
retry
nop
nop
.globl xcall_flush_tlb_kernel_range
xcall_flush_tlb_kernel_range: /* 25 insns */
......@@ -656,15 +724,13 @@ __hypervisor_xcall_flush_tlb_mm: /* 21 insns */
membar #Sync
retry
.globl __hypervisor_xcall_flush_tlb_pending
__hypervisor_xcall_flush_tlb_pending: /* 21 insns */
/* %g5=ctx, %g1=nr, %g7=vaddrs[], %g2,%g3,%g4,g6=scratch */
sllx %g1, 3, %g1
.globl __hypervisor_xcall_flush_tlb_page
__hypervisor_xcall_flush_tlb_page: /* 17 insns */
/* %g5=ctx, %g1=vaddr */
mov %o0, %g2
mov %o1, %g3
mov %o2, %g4
1: sub %g1, (1 << 3), %g1
ldx [%g7 + %g1], %o0 /* ARG0: virtual address */
mov %g1, %o0 /* ARG0: virtual address */
mov %g5, %o1 /* ARG1: mmu context */
mov HV_MMU_ALL, %o2 /* ARG2: flags */
srlx %o0, PAGE_SHIFT, %o0
......@@ -673,8 +739,6 @@ __hypervisor_xcall_flush_tlb_pending: /* 21 insns */
mov HV_MMU_UNMAP_ADDR_TRAP, %g6
brnz,a,pn %o0, __hypervisor_tlb_xcall_error
mov %o0, %g5
brnz,pt %g1, 1b
nop
mov %g2, %o0
mov %g3, %o1
mov %g4, %o2
......@@ -757,6 +821,13 @@ hypervisor_patch_cachetlbops:
call tlb_patch_one
mov 10, %o2
sethi %hi(__flush_tlb_page), %o0
or %o0, %lo(__flush_tlb_page), %o0
sethi %hi(__hypervisor_flush_tlb_page), %o1
or %o1, %lo(__hypervisor_flush_tlb_page), %o1
call tlb_patch_one
mov 11, %o2
sethi %hi(__flush_tlb_pending), %o0
or %o0, %lo(__flush_tlb_pending), %o0
sethi %hi(__hypervisor_flush_tlb_pending), %o1
......@@ -788,12 +859,12 @@ hypervisor_patch_cachetlbops:
call tlb_patch_one
mov 21, %o2
sethi %hi(xcall_flush_tlb_pending), %o0
or %o0, %lo(xcall_flush_tlb_pending), %o0
sethi %hi(__hypervisor_xcall_flush_tlb_pending), %o1
or %o1, %lo(__hypervisor_xcall_flush_tlb_pending), %o1
sethi %hi(xcall_flush_tlb_page), %o0
or %o0, %lo(xcall_flush_tlb_page), %o0
sethi %hi(__hypervisor_xcall_flush_tlb_page), %o1
or %o1, %lo(__hypervisor_xcall_flush_tlb_page), %o1
call tlb_patch_one
mov 21, %o2
mov 17, %o2
sethi %hi(xcall_flush_tlb_kernel_range), %o0
or %o0, %lo(xcall_flush_tlb_kernel_range), %o0
......
arch/tile/include/asm/irqflags.h
浏览文件 @ 6e0895c2
......@@ -40,7 +40,15 @@
#include <asm/percpu.h>
#include <arch/spr_def.h>
/* Set and clear kernel interrupt masks. */
/*
* Set and clear kernel interrupt masks.
*
* NOTE: __insn_mtspr() is a compiler builtin marked as a memory
* clobber. We rely on it being equivalent to a compiler barrier in
* this code since arch_local_irq_save() and friends must act as
* compiler barriers. This compiler semantic is baked into enough
* places that the compiler will maintain it going forward.
*/
#if CHIP_HAS_SPLIT_INTR_MASK()
#if INT_PERF_COUNT < 32 || INT_AUX_PERF_COUNT < 32 || INT_MEM_ERROR >= 32
# error Fix assumptions about which word various interrupts are in
......
arch/x86/Kconfig
浏览文件 @ 6e0895c2
......@@ -1549,6 +1549,7 @@ config X86_SMAP
config EFI
bool "EFI runtime service support"
depends on ACPI
select UCS2_STRING
---help---
This enables the kernel to use EFI runtime services that are
available (such as the EFI variable services).
......
arch/x86/boot/compressed/Makefile
浏览文件 @ 6e0895c2
......@@ -4,7 +4,7 @@
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo
KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
......@@ -29,7 +29,6 @@ VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
$(obj)/piggy.o
$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone
$(obj)/efi_stub_$(BITS).o: KBUILD_CLFAGS += -fshort-wchar -mno-red-zone
ifeq ($(CONFIG_EFI_STUB), y)
VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o
......@@ -43,7 +42,7 @@ OBJCOPYFLAGS_vmlinux.bin := -R .comment -S
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
targets += vmlinux.bin.all vmlinux.relocs
targets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs
CMD_RELOCS = arch/x86/tools/relocs
quiet_cmd_relocs = RELOCS $@
......
arch/x86/boot/compressed/eboot.c
浏览文件 @ 6e0895c2
......@@ -251,6 +251,51 @@ static void find_bits(unsigned long mask, u8 *pos, u8 *size)
*size = len;
}
static efi_status_t setup_efi_vars(struct boot_params *params)
{
struct setup_data *data;
struct efi_var_bootdata *efidata;
u64 store_size, remaining_size, var_size;
efi_status_t status;
if (!sys_table->runtime->query_variable_info)
return EFI_UNSUPPORTED;
data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
while (data && data->next)
data = (struct setup_data *)(unsigned long)data->next;
status = efi_call_phys4(sys_table->runtime->query_variable_info,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS, &store_size,
&remaining_size, &var_size);
if (status != EFI_SUCCESS)
return status;
status = efi_call_phys3(sys_table->boottime->allocate_pool,
EFI_LOADER_DATA, sizeof(*efidata), &efidata);
if (status != EFI_SUCCESS)
return status;
efidata->data.type = SETUP_EFI_VARS;
efidata->data.len = sizeof(struct efi_var_bootdata) -
sizeof(struct setup_data);
efidata->data.next = 0;
efidata->store_size = store_size;
efidata->remaining_size = remaining_size;
efidata->max_var_size = var_size;
if (data)
data->next = (unsigned long)efidata;
else
params->hdr.setup_data = (unsigned long)efidata;
}
static efi_status_t setup_efi_pci(struct boot_params *params)
{
efi_pci_io_protocol *pci;
......@@ -1157,6 +1202,8 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table,
setup_graphics(boot_params);
setup_efi_vars(boot_params);
setup_efi_pci(boot_params);
status = efi_call_phys3(sys_table->boottime->allocate_pool,
......
arch/x86/include/asm/efi.h
浏览文件 @ 6e0895c2
......@@ -102,6 +102,13 @@ extern void efi_call_phys_epilog(void);
extern void efi_unmap_memmap(void);
extern void efi_memory_uc(u64 addr, unsigned long size);
struct efi_var_bootdata {
struct setup_data data;
u64 store_size;
u64 remaining_size;
u64 max_var_size;
};
#ifdef CONFIG_EFI
static inline bool efi_is_native(void)
......
arch/x86/include/asm/paravirt.h
浏览文件 @ 6e0895c2
......@@ -703,7 +703,10 @@ static inline void arch_leave_lazy_mmu_mode(void)
PVOP_VCALL0(pv_mmu_ops.lazy_mode.leave);
}
void arch_flush_lazy_mmu_mode(void);
static inline void arch_flush_lazy_mmu_mode(void)
{
PVOP_VCALL0(pv_mmu_ops.lazy_mode.flush);
}
static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
phys_addr_t phys, pgprot_t flags)
......
arch/x86/include/asm/paravirt_types.h
浏览文件 @ 6e0895c2
......@@ -91,6 +91,7 @@ struct pv_lazy_ops {
/* Set deferred update mode, used for batching operations. */
void (*enter)(void);
void (*leave)(void);
void (*flush)(void);
};
struct pv_time_ops {
......@@ -679,6 +680,7 @@ void paravirt_end_context_switch(struct task_struct *next);
void paravirt_enter_lazy_mmu(void);
void paravirt_leave_lazy_mmu(void);
void paravirt_flush_lazy_mmu(void);
void _paravirt_nop(void);
u32 _paravirt_ident_32(u32);
......
arch/x86/include/asm/syscall.h
浏览文件 @ 6e0895c2
......@@ -29,13 +29,13 @@ extern const unsigned long sys_call_table[];
*/
static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
{
return regs->orig_ax & __SYSCALL_MASK;
return regs->orig_ax;
}
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
regs->ax = regs->orig_ax & __SYSCALL_MASK;
regs->ax = regs->orig_ax;
}
static inline long syscall_get_error(struct task_struct *task,
......
arch/x86/include/asm/tlb.h
浏览文件 @ 6e0895c2
......@@ -7,7 +7,7 @@
#define tlb_flush(tlb) \
{ \
if (tlb->fullmm == 0) \
if (!tlb->fullmm && !tlb->need_flush_all) \
flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end, 0UL); \
else \
flush_tlb_mm_range(tlb->mm, 0UL, TLB_FLUSH_ALL, 0UL); \
......
arch/x86/include/uapi/asm/bootparam.h
浏览文件 @ 6e0895c2
......@@ -6,6 +6,7 @@
#define SETUP_E820_EXT 1
#define SETUP_DTB 2
#define SETUP_PCI 3
#define SETUP_EFI_VARS 4
/* ram_size flags */
#define RAMDISK_IMAGE_START_MASK 0x07FF
......
arch/x86/kernel/cpu/mshyperv.c
浏览文件 @ 6e0895c2
......@@ -35,13 +35,6 @@ static bool __init ms_hyperv_platform(void)
if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
return false;
/*
* Xen emulates Hyper-V to support enlightened Windows.
* Check to see first if we are on a Xen Hypervisor.
*/
if (xen_cpuid_base())
return false;
cpuid(HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS,
&eax, &hyp_signature[0], &hyp_signature[1], &hyp_signature[2]);
......@@ -82,12 +75,6 @@ static void __init ms_hyperv_init_platform(void)
if (ms_hyperv.features & HV_X64_MSR_TIME_REF_COUNT_AVAILABLE)
clocksource_register_hz(&hyperv_cs, NSEC_PER_SEC/100);
#if IS_ENABLED(CONFIG_HYPERV)
/*
* Setup the IDT for hypervisor callback.
*/
alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, hyperv_callback_vector);
#endif
}
const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
......@@ -103,6 +90,11 @@ static irq_handler_t vmbus_isr;
void hv_register_vmbus_handler(int irq, irq_handler_t handler)
{
/*
* Setup the IDT for hypervisor callback.
*/
alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, hyperv_callback_vector);
vmbus_irq = irq;
vmbus_isr = handler;
}
......
arch/x86/kernel/cpu/perf_event_intel.c
浏览文件 @ 6e0895c2
......@@ -153,8 +153,14 @@ static struct event_constraint intel_gen_event_constraints[] __read_mostly =
};
static struct extra_reg intel_snb_extra_regs[] __read_mostly = {
INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0x3fffffffffull, RSP_0),
INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1),
INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0x3f807f8fffull, RSP_0),
INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0x3f807f8fffull, RSP_1),
EVENT_EXTRA_END
};
static struct extra_reg intel_snbep_extra_regs[] __read_mostly = {
INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
EVENT_EXTRA_END
};
......@@ -2097,7 +2103,10 @@ __init int intel_pmu_init(void)
x86_pmu.event_constraints = intel_snb_event_constraints;
x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints;
x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
x86_pmu.extra_regs = intel_snb_extra_regs;
if (boot_cpu_data.x86_model == 45)
x86_pmu.extra_regs = intel_snbep_extra_regs;
else
x86_pmu.extra_regs = intel_snb_extra_regs;
/* all extra regs are per-cpu when HT is on */
x86_pmu.er_flags |= ERF_HAS_RSP_1;
x86_pmu.er_flags |= ERF_NO_HT_SHARING;
......@@ -2123,7 +2132,10 @@ __init int intel_pmu_init(void)
x86_pmu.event_constraints = intel_ivb_event_constraints;
x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints;
x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
x86_pmu.extra_regs = intel_snb_extra_regs;
if (boot_cpu_data.x86_model == 62)
x86_pmu.extra_regs = intel_snbep_extra_regs;
else
x86_pmu.extra_regs = intel_snb_extra_regs;
/* all extra regs are per-cpu when HT is on */
x86_pmu.er_flags |= ERF_HAS_RSP_1;
x86_pmu.er_flags |= ERF_NO_HT_SHARING;
......
arch/x86/kernel/cpu/perf_event_intel_ds.c
浏览文件 @ 6e0895c2
......@@ -314,10 +314,11 @@ int intel_pmu_drain_bts_buffer(void)
if (top <= at)
return 0;
memset(&regs, 0, sizeof(regs));
ds->bts_index = ds->bts_buffer_base;
perf_sample_data_init(&data, 0, event->hw.last_period);
regs.ip = 0;
/*
* Prepare a generic sample, i.e. fill in the invariant fields.
......
arch/x86/kernel/microcode_core_early.c
浏览文件 @ 6e0895c2
......@@ -45,9 +45,6 @@ static int __cpuinit x86_vendor(void)
u32 eax = 0x00000000;
u32 ebx, ecx = 0, edx;
if (!have_cpuid_p())
return X86_VENDOR_UNKNOWN;
native_cpuid(&eax, &ebx, &ecx, &edx);
if (CPUID_IS(CPUID_INTEL1, CPUID_INTEL2, CPUID_INTEL3, ebx, ecx, edx))
......@@ -59,18 +56,45 @@ static int __cpuinit x86_vendor(void)
return X86_VENDOR_UNKNOWN;
}
static int __cpuinit x86_family(void)
{
u32 eax = 0x00000001;
u32 ebx, ecx = 0, edx;
int x86;
native_cpuid(&eax, &ebx, &ecx, &edx);
x86 = (eax >> 8) & 0xf;
if (x86 == 15)
x86 += (eax >> 20) & 0xff;
return x86;
}
void __init load_ucode_bsp(void)
{
int vendor = x86_vendor();
int vendor, x86;
if (!have_cpuid_p())
return;
if (vendor == X86_VENDOR_INTEL)
vendor = x86_vendor();
x86 = x86_family();
if (vendor == X86_VENDOR_INTEL && x86 >= 6)
load_ucode_intel_bsp();
}
void __cpuinit load_ucode_ap(void)
{
int vendor = x86_vendor();
int vendor, x86;
if (!have_cpuid_p())
return;
vendor = x86_vendor();
x86 = x86_family();
if (vendor == X86_VENDOR_INTEL)
if (vendor == X86_VENDOR_INTEL && x86 >= 6)
load_ucode_intel_ap();
}
arch/x86/kernel/paravirt.c
浏览文件 @ 6e0895c2
......@@ -263,6 +263,18 @@ void paravirt_leave_lazy_mmu(void)
leave_lazy(PARAVIRT_LAZY_MMU);
}
void paravirt_flush_lazy_mmu(void)
{
preempt_disable();
if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) {
arch_leave_lazy_mmu_mode();
arch_enter_lazy_mmu_mode();
}
preempt_enable();
}
void paravirt_start_context_switch(struct task_struct *prev)
{
BUG_ON(preemptible());
......@@ -292,18 +304,6 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
return this_cpu_read(paravirt_lazy_mode);
}
void arch_flush_lazy_mmu_mode(void)
{
preempt_disable();
if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) {
arch_leave_lazy_mmu_mode();
arch_enter_lazy_mmu_mode();
}
preempt_enable();
}
struct pv_info pv_info = {
.name = "bare hardware",
.paravirt_enabled = 0,
......@@ -475,6 +475,7 @@ struct pv_mmu_ops pv_mmu_ops = {
.lazy_mode = {
.enter = paravirt_nop,
.leave = paravirt_nop,
.flush = paravirt_nop,
},
.set_fixmap = native_set_fixmap,
......
arch/x86/kernel/setup.c
浏览文件 @ 6e0895c2
......@@ -507,11 +507,14 @@ static void __init memblock_x86_reserve_range_setup_data(void)
/*
* Keep the crash kernel below this limit. On 32 bits earlier kernels
* would limit the kernel to the low 512 MiB due to mapping restrictions.
* On 64bit, old kexec-tools need to under 896MiB.
*/
#ifdef CONFIG_X86_32
# define CRASH_KERNEL_ADDR_MAX (512 << 20)
# define CRASH_KERNEL_ADDR_LOW_MAX (512 << 20)
# define CRASH_KERNEL_ADDR_HIGH_MAX (512 << 20)
#else
# define CRASH_KERNEL_ADDR_MAX MAXMEM
# define CRASH_KERNEL_ADDR_LOW_MAX (896UL<<20)
# define CRASH_KERNEL_ADDR_HIGH_MAX MAXMEM
#endif
static void __init reserve_crashkernel_low(void)
......@@ -521,19 +524,35 @@ static void __init reserve_crashkernel_low(void)
unsigned long long low_base = 0, low_size = 0;
unsigned long total_low_mem;
unsigned long long base;
bool auto_set = false;
int ret;
total_low_mem = memblock_mem_size(1UL<<(32-PAGE_SHIFT));
/* crashkernel=Y,low */
ret = parse_crashkernel_low(boot_command_line, total_low_mem,
&low_size, &base);
if (ret != 0 || low_size <= 0)
return;
if (ret != 0) {
/*
* two parts from lib/swiotlb.c:
* swiotlb size: user specified with swiotlb= or default.
* swiotlb overflow buffer: now is hardcoded to 32k.
* We round it to 8M for other buffers that
* may need to stay low too.
*/
low_size = swiotlb_size_or_default() + (8UL<<20);
auto_set = true;
} else {
/* passed with crashkernel=0,low ? */
if (!low_size)
return;
}
low_base = memblock_find_in_range(low_size, (1ULL<<32),
low_size, alignment);
if (!low_base) {
pr_info("crashkernel low reservation failed - No suitable area found.\n");
if (!auto_set)
pr_info("crashkernel low reservation failed - No suitable area found.\n");
return;
}
......@@ -554,14 +573,22 @@ static void __init reserve_crashkernel(void)
const unsigned long long alignment = 16<<20; /* 16M */
unsigned long long total_mem;
unsigned long long crash_size, crash_base;
bool high = false;
int ret;
total_mem = memblock_phys_mem_size();
/* crashkernel=XM */
ret = parse_crashkernel(boot_command_line, total_mem,
&crash_size, &crash_base);
if (ret != 0 || crash_size <= 0)
return;
if (ret != 0 || crash_size <= 0) {
/* crashkernel=X,high */
ret = parse_crashkernel_high(boot_command_line, total_mem,
&crash_size, &crash_base);
if (ret != 0 || crash_size <= 0)
return;
high = true;
}
/* 0 means: find the address automatically */
if (crash_base <= 0) {
......@@ -569,7 +596,9 @@ static void __init reserve_crashkernel(void)
* kexec want bzImage is below CRASH_KERNEL_ADDR_MAX
*/
crash_base = memblock_find_in_range(alignment,
CRASH_KERNEL_ADDR_MAX, crash_size, alignment);
high ? CRASH_KERNEL_ADDR_HIGH_MAX :
CRASH_KERNEL_ADDR_LOW_MAX,
crash_size, alignment);
if (!crash_base) {
pr_info("crashkernel reservation failed - No suitable area found.\n");
......
arch/x86/kvm/lapic.c
浏览文件 @ 6e0895c2
......@@ -1857,7 +1857,7 @@ int kvm_lapic_enable_pv_eoi(struct kvm_vcpu *vcpu, u64 data)
if (!pv_eoi_enabled(vcpu))
return 0;
return kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.pv_eoi.data,
addr);
addr, sizeof(u8));
}
void kvm_lapic_init(void)
......
arch/x86/kvm/x86.c
浏览文件 @ 6e0895c2
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arch/x86/lguest/boot.c
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arch/x86/mm/fault.c
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arch/x86/mm/pageattr-test.c
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arch/x86/mm/pageattr.c
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arch/x86/mm/pgtable.c
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arch/x86/platform/efi/efi.c
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arch/x86/xen/mmu.c
浏览文件 @ 6e0895c2
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block/blk-core.c
浏览文件 @ 6e0895c2
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block/blk-sysfs.c
浏览文件 @ 6e0895c2
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block/partition-generic.c
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crypto/gcm.c
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drivers/acpi/pci_root.c
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drivers/ata/ata_piix.c
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drivers/ata/libata-core.c
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drivers/ata/libata-scsi.c
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drivers/base/regmap/regmap.c
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drivers/block/loop.c
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drivers/block/mtip32xx/mtip32xx.c
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drivers/block/mtip32xx/mtip32xx.h
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drivers/block/rbd.c
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drivers/char/hpet.c
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drivers/cpufreq/intel_pstate.c
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drivers/dma/at_hdmac.c
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drivers/dma/omap-dma.c
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drivers/dma/pl330.c
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drivers/eisa/pci_eisa.c
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drivers/firmware/Kconfig
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drivers/firmware/efivars.c
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drivers/gpio/gpio-pca953x.c
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drivers/gpu/drm/drm_fb_helper.c
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drivers/gpu/drm/udl/udl_connector.c
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drivers/idle/intel_idle.c
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drivers/input/tablet/wacom_wac.c
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drivers/irqchip/irq-gic.c
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drivers/md/dm-cache-target.c
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drivers/md/dm.c
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drivers/md/raid5.c
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drivers/misc/vmw_vmci/Kconfig
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drivers/mtd/mtdchar.c
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drivers/net/bonding/bond_main.c
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drivers/net/can/mcp251x.c
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drivers/net/ethernet/8390/ax88796.c
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drivers/net/ethernet/intel/e100.c
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drivers/net/ethernet/ti/cpsw.c
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drivers/net/hyperv/netvsc.c
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drivers/net/hyperv/netvsc_drv.c
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drivers/net/hyperv/rndis_filter.c
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drivers/net/tun.c
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drivers/net/usb/cdc_mbim.c
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drivers/net/usb/qmi_wwan.c
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drivers/net/wireless/b43/phy_n.c
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drivers/pci/pci-acpi.c
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drivers/pci/pci-driver.c
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drivers/pci/pcie/portdrv_pci.c
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drivers/pci/rom.c
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drivers/platform/x86/hp-wmi.c
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drivers/remoteproc/Kconfig
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drivers/s390/net/qeth_core.h
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drivers/s390/net/qeth_core_main.c
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drivers/s390/net/qeth_l2_main.c
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drivers/s390/net/qeth_l3_main.c
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drivers/sbus/char/bbc_i2c.c
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drivers/scsi/ibmvscsi/ibmvscsi.c
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drivers/scsi/ipr.c
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drivers/scsi/libsas/sas_expander.c
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drivers/scsi/lpfc/lpfc_sli.c
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drivers/scsi/qla2xxx/qla_attr.c
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drivers/scsi/qla2xxx/qla_dbg.c
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drivers/scsi/qla2xxx/qla_def.h
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drivers/scsi/qla2xxx/qla_gbl.h
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drivers/scsi/qla2xxx/qla_init.c
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drivers/scsi/qla2xxx/qla_mbx.c
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drivers/scsi/qla2xxx/qla_version.h
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drivers/scsi/st.c
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drivers/ssb/driver_chipcommon_pmu.c
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drivers/target/target_core_alua.c
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drivers/tty/mxser.c
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drivers/tty/serial/8250/8250_pnp.c
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drivers/tty/serial/omap-serial.c
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drivers/vfio/pci/vfio_pci.c
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drivers/vhost/tcm_vhost.c
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drivers/video/fbmem.c
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drivers/video/mmp/core.c
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drivers/watchdog/Kconfig
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drivers/xen/events.c
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include/linux/ata.h
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include/linux/proc_fs.h
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include/linux/swiotlb.h
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include/net/scm.h
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include/trace/events/block.h
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include/trace/events/sched.h
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include/uapi/linux/fuse.h
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kernel/events/core.c
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kernel/events/ring_buffer.c
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kernel/hrtimer.c
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kernel/sys.c
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kernel/trace/blktrace.c
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kernel/trace/ftrace.c
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mm/memory.c
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net/batman-adv/main.h
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net/batman-adv/network-coding.c
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net/batman-adv/vis.c
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net/bridge/br_private.h
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net/bridge/br_stp_if.c
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net/core/rtnetlink.c
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net/ipv4/devinet.c
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net/ipv4/esp4.c
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net/ipv4/ip_fragment.c
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net/ipv4/netfilter/ipt_rpfilter.c
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net/ipv4/syncookies.c
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net/ipv4/tcp_input.c
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net/ipv4/tcp_output.c
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net/ipv6/addrconf.c
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net/ipv6/addrconf_core.c
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net/ipv6/netfilter/ip6t_rpfilter.c
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net/ipv6/reassembly.c
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net/irda/iriap.c
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net/irda/irlmp.c
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net/iucv/af_iucv.c
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net/mac80211/iface.c
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net/mac80211/mlme.c
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net/netfilter/nf_conntrack_sip.c
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net/netfilter/nf_nat_core.c
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net/netrom/af_netrom.c
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net/openvswitch/datapath.c
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net/openvswitch/flow.c
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net/sched/cls_fw.c
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net/sunrpc/clnt.c
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net/unix/af_unix.c
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scripts/checkpatch.pl
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security/capability.c
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security/selinux/hooks.c
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sound/core/pcm_native.c
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sound/soc/codecs/wm5102.c
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sound/soc/tegra/tegra_pcm.c
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virt/kvm/kvm_main.c
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