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Andy Lutomirski f2b375756c x86/entry: Vastly simplify SYSENTER TF (single-step) handling 
Due to a blatant design error, SYSENTER doesn't clear TF (single-step).

As a result, if a user does SYSENTER with TF set, we will single-step
through the kernel until something clears TF.  There is absolutely
nothing we can do to prevent this short of turning off SYSENTER [1].

Simplify the handling considerably with two changes:

  1. We already sanitize EFLAGS in SYSENTER to clear NT and AC.  We can
     add TF to that list of flags to sanitize with no overhead whatsoever.

  2. Teach do_debug() to ignore single-step traps in the SYSENTER prologue.

That's all we need to do.

Don't get too excited -- our handling is still buggy on 32-bit
kernels.  There's nothing wrong with the SYSENTER code itself, but
the #DB prologue has a clever fixup for traps on the very first
instruction of entry_SYSENTER_32, and the fixup doesn't work quite
correctly.  The next two patches will fix that.

[1] We could probably prevent it by forcing BTF on at all times and
    making sure we clear TF before any branches in the SYSENTER
    code.  Needless to say, this is a bad idea.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/a30d2ea06fe4b621fe6a9ef911b02c0f38feb6f2.1457578375.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 		2016-03-10 09:48:13 +01:00
..
crypto x86/fpu: Rename i387.h to fpu/api.h 2015-05-19 15:47:30 +02:00
fpu x86/cpufeature: Replace the old static_cpu_has() with safe variant 2016-01-30 11:22:18 +01:00
numachip x86/numachip: Introduce Numachip2 timer mechanisms 2015-09-22 22:25:33 +02:00
trace x86/fpu/mpx: Rework MPX 'xstate' types 2015-09-14 12:22:00 +02:00
uv x86/platform/uv: Insert per_cpu accessor function on uv_hub_nmi 2015-09-13 09:27:53 +02:00
xen xen/pcifront: Report the errors better. 2016-02-15 14:21:18 +00:00
Kbuild mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
a.out-core.h
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acenv.h ACPICA: Linux: Add support to exclude <asm/acenv.h> inclusion. 2014-07-23 01:10:44 +02:00
acpi.h acpi, x86: Implement arch_apei_get_mem_attributes() 2015-08-08 10:37:39 +02:00
agp.h
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alternative-asm.h x86/alternatives: Document macros 2015-05-06 11:25:31 +02:00
alternative.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
amd_nb.h x86/amd_nb, EDAC: Rename amd_get_node_id() 2015-10-21 11:10:55 +02:00
apb_timer.h Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-07-23 10:34:47 -07:00
apic.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
apic_flat_64.h x86: Make flat_init_apic_ldr() available 2011-12-05 17:17:07 +01:00
apicdef.h x86/apic: Fix typo EIO_ACK -> EOI_ACK and document it 2012-05-18 09:46:07 +02:00
apm.h
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arch_hweight.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
archrandom.h random: Add arch_has_random[_seed]() 2014-03-19 22:24:08 -04:00
asm-offsets.h
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asm.h x86/asm/uaccess: Unify the ALIGN_DESTINATION macro 2015-05-14 07:25:34 +02:00
atomic.h x86/headers: Don't include asm/processor.h in asm/atomic.h 2015-12-06 12:56:03 +01:00
atomic64_32.h x86/headers: Don't include asm/processor.h in asm/atomic.h 2015-12-06 12:56:03 +01:00
atomic64_64.h atomic, arch: Audit atomic_{read,set}() 2015-09-23 09:54:28 +02:00
barrier.h x86: define __smp_xxx 2016-01-12 20:46:59 +02:00
bios_ebda.h
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bitops.h x86/asm/bitops: Force inlining of test_and_set_bit and friends 2016-02-09 10:31:54 +01:00
boot.h x86/boot: Double BOOT_HEAP_SIZE to 64KB 2016-01-11 12:30:50 +01:00
bootparam_utils.h x86: Don't clear olpc_ofw_header when sentinel is detected 2013-08-09 15:29:48 -07:00
bug.h x86: always define BUG() and HAVE_ARCH_BUG, even with !CONFIG_BUG 2014-04-07 16:36:10 -07:00
bugs.h
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cache.h
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cacheflush.h nd_blk: change aperture mapping from WC to WB 2015-08-27 19:38:28 -04:00
calgary.h x86/platform/calgary: Constify cal_chipset_ops structures 2015-11-29 08:50:58 +01:00
ce4100.h
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checksum.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
checksum_32.h x86, smap: Handle csum_partial_copy_*_user() 2013-09-01 14:09:48 -07:00
checksum_64.h net: Change x86_64 add32_with_carry to allow memory operand 2014-05-05 15:26:29 -04:00
clocksource.h x86/vdso: Disallow vvar access to vclock IO for never-used vclocks 2016-01-12 11:59:35 +01:00
cmdline.h x86, boot: Carve out early cmdline parsing function 2014-05-20 20:21:24 -07:00
cmpxchg.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
cmpxchg_32.h x86/cpufeature: Remove unused and seldomly used cpu_has_xx macros 2015-12-19 11:49:55 +01:00
cmpxchg_64.h x86/cpufeature: Remove unused and seldomly used cpu_has_xx macros 2015-12-19 11:49:55 +01:00
compat.h x86/asm/entry/64: Save user RSP in pt_regs->sp on SYSCALL64 fastpath 2015-03-10 13:56:10 +01:00
cpu.h x86/cpu: Unify CPU family, model, stepping calculation 2015-11-24 09:15:54 +01:00
cpu_device_id.h Add driver auto probing for x86 features v4 2012-01-26 16:44:41 -08:00
cpufeature.h x86/cpufeature: Speed up cpu_feature_enabled() 2016-02-16 08:45:15 +01:00
cpufeatures.h x86/entry/32: Introduce and use X86_BUG_ESPFIX instead of paravirt_enabled 2016-03-08 14:16:44 +01:00
cpumask.h
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crash.h kexec: support for kexec on panic using new system call 2014-08-08 15:57:33 -07:00
current.h x86: replace percpu_xxx funcs with this_cpu_xxx 2012-05-14 14:15:31 -07:00
debugreg.h perf/x86/amd: AMD support for bp_len > HW_BREAKPOINT_LEN_8 2014-12-03 15:14:26 +01:00
delay.h x86/asm/delay: Introduce an MWAITX-based delay with a configurable timer 2015-08-22 14:52:16 +02:00
desc.h x86/ldt: Make modify_ldt synchronous 2015-07-31 10:23:23 +02:00
desc_defs.h x86/signal/64: Fix SS if needed when delivering a 64-bit signal 2016-02-17 08:32:11 +01:00
device.h x86/PCI: Allow DMA ops specific to a PCI domain 2016-01-15 13:54:55 -06:00
disabled-features.h x86, mpx: Add MPX to disabled features 2014-11-18 00:58:53 +01:00
div64.h x86/div64: Add a micro-optimization shortcut if base is power of two 2011-12-05 18:16:11 +01:00
dma-mapping.h dma-mapping: always provide the dma_map_ops based implementation 2016-01-20 17:09:18 -08:00
dma.h x86/mm: Fix zone ranges boot printout 2014-12-11 11:35:02 +01:00
dmi.h firmware/dmi_scan: generalize for use by other archs 2014-01-23 16:36:57 -08:00
dwarf2.h x86/asm: Remove the xyz_cfi macros from dwarf2.h 2015-10-14 16:56:28 +02:00
e820.h mm: move memtest under mm 2015-04-14 16:49:06 -07:00
edac.h EDAC: Cleanup atomic_scrub mess 2015-05-28 15:31:53 +02:00
efi.h * Make the EFI System Resource Table (ESRT) driver explicitly 2015-10-14 16:51:34 +02:00
elf.h x86/elf/64: Clear more registers in elf_common_init() 2015-10-09 09:41:06 +02:00
emergency-restart.h reboot: move arch/x86 reboot= handling to generic kernel 2013-07-09 10:33:29 -07:00
entry_arch.h Merge branch 'x86/ras' into x86/core, to fix conflicts 2015-06-07 15:35:27 +02:00
espfix.h x86/espfix: Add 'cpu' parameter to init_espfix_ap() 2015-07-06 15:00:33 +02:00
exec.h Disintegrate asm/system.h for X86 2012-03-28 18:11:12 +01:00
fb.h x86: Use new cache mode type in include/asm/fb.h 2014-11-16 11:04:24 +01:00
fixmap.h x86/vdso: Remove pvclock fixmap machinery 2015-12-11 08:56:03 +01:00
floppy.h x86: Remove deprecated IRQF_DISABLED 2014-03-04 21:47:51 +01:00
frame.h x86/asm: Add C versions of frame pointer macros 2016-01-19 12:59:07 +01:00
ftrace.h ftrace: Format MCOUNT_ADDR address as type unsigned long 2015-07-20 22:30:53 -04:00
futex.h x86: replace futex_atomic_cmpxchg_inatomic() with user_atomic_cmpxchg_inatomic 2013-12-16 09:08:13 -08:00
gart.h
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genapic.h
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geode.h
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gpio.h gpiolib/arches: Centralise bolierplate asm/gpio.h 2012-05-11 18:00:14 -06:00
hardirq.h Merge branch 'x86/ras' into x86/core, to fix conflicts 2015-06-07 15:35:27 +02:00
highmem.h kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
hpet.h timers/x86/hpet: Type adjustments 2015-10-21 11:17:32 +02:00
hugetlb.h mm/hugetlb: remove arch_prepare/release_hugepage from arch headers 2015-06-25 17:00:35 -07:00
hw_breakpoint.h perf/x86/amd: AMD support for bp_len > HW_BREAKPOINT_LEN_8 2014-12-03 15:14:26 +01:00
hw_irq.h x86/PCI: Add driver for Intel Volume Management Device (VMD) 2016-01-15 13:54:55 -06:00
hypertransport.h
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hypervisor.h hypervisor/x86/xen: Unset X86_BUG_SYSRET_SS_ATTRS on Xen PV guests 2015-05-05 18:27:43 +01:00
i8259.h x86/irq: Probe for PIC presence before allocating descs for legacy IRQs 2015-11-07 10:37:37 +01:00
ia32.h x86/headers: Remove <asm/sigcontext.h> references on the kernel side 2015-09-08 10:06:05 +02:00
ia32_unistd.h x86: Generate system call tables and unistd_*.h from tables 2011-11-17 13:35:37 -08:00
idle.h x86: Merge the x86_32 and x86_64 cpu_idle() functions 2012-03-26 03:16:07 +02:00
imr.h x86/intel/quark: Add Isolated Memory Regions for Quark X1000 2015-02-18 23:22:47 +01:00
inat.h x86: Fix to decode grouped AVX with VEX pp bits 2012-02-11 15:11:35 +01:00
inat_types.h
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init.h x86, 64bit, mm: Add generic kernel/ident mapping helper 2013-01-29 15:12:25 -08:00
insn.h x86/asm/decoder: Fix and enforce max instruction size in the insn decoder 2015-02-19 00:01:24 +01:00
inst.h x86, crc32-pclmul: Fix build with older binutils 2013-05-30 16:36:23 -07:00
intel-mid.h x86, intel-mid: remove Intel MID specific serial support 2015-03-07 03:25:18 +01:00
intel_mid_vrtc.h intel_mid: Renamed *mrst* to *intel_mid* 2013-10-17 16:40:36 -07:00
intel_pmc_ipc.h intel_pmc_ipc: Update kerneldoc formatting 2015-07-09 11:23:15 -07:00
intel_pt.h perf/x86/intel/pt: Add interface to stop Intel PT logging 2015-11-23 09:58:26 +01:00
intel_punit_ipc.h platform:x86: add Intel P-Unit mailbox IPC driver 2016-01-19 15:49:36 -08:00
intel_scu_ipc.h x86,mrst: Power control commands update 2011-12-05 12:42:11 +01:00
intel_telemetry.h platform/x86: Add Intel Telemetry Core Driver 2016-01-19 17:35:50 -08:00
io.h libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
io_apic.h x86: Cleanup irq_domain ops 2015-04-24 15:36:55 +02:00
iomap.h
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iommu.h iommu: Remove group_mf 2012-06-25 13:48:30 +02:00
iommu_table.h x86/iommu: Fix header comments regarding standard and _FINISH macros 2015-04-09 10:56:31 +02:00
iosf_mbi.h ACPI / LPSS: override power state for LPSS DMA device 2016-01-07 14:11:32 +01:00
ipi.h x86/apic: Provide default send single IPI wrapper 2015-11-05 13:07:53 +01:00
irq.h x86/irq: Call irq_force_move_complete with irq descriptor 2016-01-15 13:44:01 +01:00
irq_regs.h x86: replace percpu_xxx funcs with this_cpu_xxx 2012-05-14 14:15:31 -07:00
irq_remapping.h irq_remapping: move structs outside #ifdef 2015-10-01 15:06:42 +02:00
irq_vectors.h x86/vm86: Move the vm86 IRQ definitions to vm86.h 2015-07-31 13:31:10 +02:00
irq_work.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
irqdomain.h x86/irq: Move irqdomain specific code into asm/irqdomain.h 2015-04-24 15:36:55 +02:00
irqflags.h x86/asm/entry: Drop now unused ENABLE_INTERRUPTS_SYSEXIT32 2015-04-03 10:34:19 +02:00
ist.h UAPI: (Scripted) Disintegrate arch/x86/include/asm 2012-12-14 22:37:13 +00:00
jump_label.h x86/asm: Add asm macros for static keys/jump labels 2015-11-24 09:56:44 +01:00
kasan.h x86/kasan: Define KASAN_SHADOW_OFFSET per architecture 2015-08-22 14:54:55 +02:00
kbdleds.h keyboard: Use BIOS Keyboard variable to set Numlock 2012-05-08 14:19:41 -07:00
kdebug.h x86/kexec: Remove obsolete 'in_crash_kexec' flag 2015-10-12 09:43:11 +02:00
kexec-bzimage64.h kexec-bzImage64: support for loading bzImage using 64bit entry 2014-08-08 15:57:33 -07:00
kexec.h kexec: support for kexec on panic using new system call 2014-08-08 15:57:33 -07:00
kgdb.h kgdb: x86: Return all segment registers also in 64-bit mode 2012-03-22 15:07:15 -05:00
kmap_types.h
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kmemcheck.h
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kprobes.h kprobes/x86: Remove stale ARCH_SUPPORTS_KPROBES_ON_FTRACE define 2014-10-17 07:18:34 +02:00
kvm_emulate.h KVM: x86: add read_phys to x86_emulate_ops 2015-11-04 16:24:31 +01:00
kvm_guest.h x86: kvm guest: pvclock vsyscall support 2012-11-27 23:29:10 -02:00
kvm_host.h KVM: move architecture-dependent requests to arch/ 2016-01-08 19:04:36 +01:00
kvm_para.h x86: Use bool function return values of true/false not 1/0 2015-03-31 18:05:09 +02:00
lguest.h lguest: Map switcher text R/O 2016-01-12 12:17:28 +01:00
lguest_hcall.h lguest: remove NOTIFY call and eventfd facility. 2015-02-11 16:47:46 +10:30
linkage.h ix86: Tighten asmlinkage_protect() constraints 2013-01-24 11:25:59 +01:00
livepatch.h livepatch: change the error message in asm/livepatch.h header files 2016-01-18 21:35:43 +01:00
local.h x86, bitops: Correct the assembly constraints to testing bitops 2013-12-04 14:31:28 -08:00
local64.h
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mach_timer.h time: x86: Remove CLOCK_TICK_RATE from mach_timer.h 2011-11-21 19:00:57 -08:00
mach_traps.h x86/mrst: Avoid reporting wrong nmi status 2011-11-10 16:21:01 +01:00
math_emu.h x86/vm86: Clean up vm86.h includes 2015-07-31 13:31:10 +02:00
mc146818rtc.h x86: Simplify __HAVE_ARCH_CMPXCHG tests 2014-07-11 17:28:51 -07:00
mce.h x86/cpufeature: Create a new synthetic cpu capability for machine check recovery 2016-02-18 09:28:47 +01:00
microcode.h x86/cpu: Unify CPU family, model, stepping calculation 2015-11-24 09:15:54 +01:00
microcode_amd.h x86/microcode: Merge the early microcode loader 2015-10-21 11:22:12 +02:00
microcode_intel.h x86/microcode: Merge the early microcode loader 2015-10-21 11:22:12 +02:00
misc.h x86: Improve the printout of the SMP bootup CPU table 2013-09-28 10:10:26 +02:00
mmconfig.h x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
mmu.h x86/vdso: Track each mm's loaded vDSO image as well as its base 2016-01-12 11:59:34 +01:00
mmu_context.h x86/mm: Improve switch_mm() barrier comments 2016-01-13 10:42:49 +01:00
mmx.h
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mmzone.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
mmzone_32.h x86, platforms: Remove NUMAQ 2014-02-27 08:07:39 -08:00
mmzone_64.h Fix node_start/end_pfn() definition for mm/page_cgroup.c 2011-06-27 14:13:09 -07:00
module.h x86, 386 removal: Remove CONFIG_M386 from Kconfig 2012-11-29 13:23:01 -08:00
mpspec.h x86, apic: Remove mps_oem_check callback 2014-07-31 08:05:42 -07:00
mpspec_def.h MCA: delete all remaining traces of microchannel bus support. 2012-05-17 19:06:13 -04:00
mpx.h x86/mpx: Support 32-bit binaries on 64-bit kernels 2015-06-09 12:24:34 +02:00
mshyperv.h mshyperv: fix recognition of Hyper-V guest crash MSR's 2015-08-04 22:30:44 -07:00
msi.h x86/irq: Export functions to allow MSI domains in modules 2015-12-20 12:40:49 +01:00
msidef.h
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msr-index.h x86/msr: Document msr-index.h rule for addition 2016-02-17 08:47:55 +01:00
msr-trace.h x86, tracing, perf: Add trace point for MSR accesses 2015-12-06 12:56:10 +01:00
msr.h Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-01-11 17:45:32 -08:00
mtrr.h x86/mm/mtrr: Avoid #ifdeffery with phys_wc_to_mtrr_index() 2015-05-27 14:41:00 +02:00
mutex.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
mutex_32.h x86: Simplify __HAVE_ARCH_CMPXCHG tests 2014-07-11 17:28:51 -07:00
mutex_64.h compiler/gcc4: Add quirk for 'asm goto' miscompilation bug 2013-10-11 07:39:14 +02:00
mwait.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
nmi.h x86/nmi: Push duration printk() to irq context 2014-02-09 13:17:22 +01:00
nops.h x86, nop: Make the ASM_NOP* macros work from assembly 2012-04-19 15:07:42 -07:00
numa.h x86/mm/numa: Drop dead code and rename setup_node_data() to setup_alloc_data() 2014-09-16 08:55:10 +02:00
numa_32.h
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olpc.h x86: OLPC: switch over to using new EC driver on x86 2012-07-31 23:27:30 -04:00
olpc_ofw.h
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page.h arm64,ia64,ppc,s390,sh,tile,um,x86,mm: remove default gate area 2014-08-08 15:57:27 -07:00
page_32.h x86/mm: Implement ASLR for hugetlb mappings 2013-11-19 14:24:50 +01:00
page_32_types.h x86_64, traps: Stop using IST for #SS 2014-11-23 13:56:19 -08:00
page_64.h x86_64,vsyscall: Make vsyscall emulation configurable 2014-11-03 21:44:57 +01:00
page_64_types.h x86/asm: Move PUD_PAGE macros to page_types.h 2015-09-22 21:27:32 +02:00
page_types.h x86/mm: Align macro defines 2015-12-19 11:53:40 +01:00
paravirt.h Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-01-11 16:26:03 -08:00
paravirt_types.h Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-01-11 16:26:03 -08:00
parport.h X86: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
pat.h x86/mm/pat: Emulate PAT when it is disabled 2015-06-07 15:28:52 +02:00
pci-direct.h
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pci-functions.h
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pci.h Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
pci_64.h
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pci_x86.h Revert "PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()" 2016-02-27 08:52:20 -06:00
percpu.h x86-64: Use RIP-relative addressing for most per-CPU accesses 2014-11-04 20:43:14 +01:00
perf_event.h x86: Add new MSRs and MSR bits used for Intel Skylake PMU support 2015-08-04 10:16:56 +02:00
perf_event_p4.h percpu: Resolve ambiguities in __get_cpu_var/cpumask_var_t 2014-08-28 08:58:57 -04:00
pgalloc.h x86: expose number of page table levels on Kconfig level 2015-04-14 16:49:02 -07:00
pgtable-2level.h x86: drop _PAGE_FILE and pte_file()-related helpers 2015-02-10 14:30:33 -08:00
pgtable-2level_types.h x86: expose number of page table levels on Kconfig level 2015-04-14 16:49:02 -07:00
pgtable-3level.h x86: drop _PAGE_FILE and pte_file()-related helpers 2015-02-10 14:30:33 -08:00
pgtable-3level_types.h x86: expose number of page table levels on Kconfig level 2015-04-14 16:49:02 -07:00
pgtable.h mm, x86: get_user_pages() for dax mappings 2016-01-15 17:56:32 -08:00
pgtable_32.h x86: Remove set_pmd_pfn 2014-09-01 10:15:31 +02:00
pgtable_32_types.h x86: mm: Re-use the early_ioremap fixed area 2014-11-03 13:40:44 +01:00
pgtable_64.h mm: remove remaining references to NUMA hinting bits and helpers 2015-02-12 18:54:08 -08:00
pgtable_64_types.h x86: expose number of page table levels on Kconfig level 2015-04-14 16:49:02 -07:00
pgtable_types.h Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-01-31 16:17:19 -08:00
platform_sst_audio.h ASoc: Intel: Atom: add deep buffer definitions for atom platforms 2015-12-19 11:49:56 +00:00
pm-trace.h PM / sleep: add pm-trace support for suspending phase 2015-03-18 15:54:27 +01:00
pmc_atom.h x86/platform/intel/pmc_atom: Add Cherrytrail PMC interface 2015-07-06 18:39:38 +02:00
pmem.h pmem: add wb_cache_pmem() to the PMEM API 2016-01-22 17:02:18 -08:00
posix_types.h UAPI: (Scripted) Disintegrate arch/x86/include/asm 2012-12-14 22:37:13 +00:00
preempt.h sched/core, sched/x86: Kill thread_info::saved_preempt_count 2015-10-06 17:08:18 +02:00
probe_roms.h
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processor-cyrix.h
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processor-flags.h UAPI: (Scripted) Disintegrate arch/x86/include/asm 2012-12-14 22:37:13 +00:00
processor.h Merge branch 'x86/urgent' into x86/asm, to pick up fixes 2016-02-18 09:28:03 +01:00
prom.h x86, devicetree, irq: Use common mechanism to support irqdomain 2014-06-21 23:05:43 +02:00
proto.h x86/entry: Vastly simplify SYSENTER TF (single-step) handling 2016-03-10 09:48:13 +01:00
ptrace.h x86/entry: Remove do_notify_resume(), syscall_trace_leave(), and their TIF masks 2015-08-05 10:54:35 +02:00
pvclock-abi.h Revert "KVM: x86: zero kvmclock_offset when vcpu0 initializes kvmclock system MSR" 2015-09-28 13:06:37 +02:00
pvclock.h x86/vsdo: Fix build on PARAVIRT_CLOCK=y, KVM_GUEST=n 2016-01-06 10:49:53 +01:00
qrwlock.h locking/qrwlock: Implement queue_write_unlock() using smp_store_release() 2015-08-12 11:59:05 +02:00
qspinlock.h locking/qspinlock/x86: Only emit the test-and-set fallback when building guest support 2015-09-11 07:50:12 +02:00
qspinlock_paravirt.h locking/pvqspinlock, x86: Optimize the PV unlock code path 2015-11-23 10:02:02 +01:00
realmode.h x86, realmode: Separate real_mode reserve and setup 2013-01-29 15:13:24 -08:00
reboot.h x86/nmi: Save regs in crash dump on external NMI 2015-12-19 11:07:01 +01:00
reboot_fixups.h
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required-features.h x86: Require MOVBE feature in cpuid when we use it 2013-01-28 16:59:55 -08:00
rio.h
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rmwcc.h x86, bitops: Correct the assembly constraints to testing bitops 2013-12-04 14:31:28 -08:00
rtc.h
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rwsem.h x86 rwsem: avoid taking slow path when stealing write lock 2013-05-07 07:20:17 -07:00
seccomp.h x86: switch to using asm-generic for seccomp.h 2015-04-17 09:04:10 -04:00
sections.h
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segment.h x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers 2015-06-02 09:39:40 +02:00
serial.h serial: 8250: remove Kconfig indirection 2015-05-06 22:27:00 +02:00
setup.h x86: kaslr: fix build due to missing ALIGN definition 2015-04-29 21:54:54 +02:00
setup_arch.h
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shmparam.h
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sigcontext.h x86/headers: Remove <asm/sigcontext.h> references on the kernel side 2015-09-08 10:06:05 +02:00
sigframe.h x86/headers: Remove <asm/sigcontext.h> references on the kernel side 2015-09-08 10:06:05 +02:00
sighandling.h x86/signal/64: Re-add support for SS in the 64-bit signal context 2016-02-17 08:32:11 +01:00
signal.h x86/headers: Remove <asm/sigcontext.h> references on the kernel side 2015-09-08 10:06:05 +02:00
simd.h x86/fpu: Rename i387.h to fpu/api.h 2015-05-19 15:47:30 +02:00
smap.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
smp.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
sparsemem.h
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special_insns.h x86/mm: Add kerneldoc comments for pcommit_sfence() 2015-05-11 10:38:44 +02:00
spinlock.h locking/pvqspinlock: Rename QUEUED_SPINLOCK to QUEUED_SPINLOCKS 2015-05-11 09:52:09 +02:00
spinlock_types.h locking/pvqspinlock: Rename QUEUED_SPINLOCK to QUEUED_SPINLOCKS 2015-05-11 09:52:09 +02:00
sta2x11.h mfd: Add driver for STA2X11 MFD block 2012-05-09 15:34:28 +02:00
stackprotector.h x86/asm/tsc: Rename native_read_tsc() to rdtsc() 2015-07-06 15:23:28 +02:00
stacktrace.h
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string.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
string_32.h
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string_64.h x86, kasan: Fix build failure on KASAN=y && KMEMCHECK=y kernels 2015-10-19 10:07:23 +02:00
suspend.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
suspend_32.h x86/pm: Introduce quirk framework to save/restore extra MSR registers around suspend/resume 2015-11-26 10:04:53 +01:00
suspend_64.h x86/pm: Introduce quirk framework to save/restore extra MSR registers around suspend/resume 2015-11-26 10:04:53 +01:00
svm.h UAPI: (Scripted) Disintegrate arch/x86/include/asm 2012-12-14 22:37:13 +00:00
swiotlb.h x86: enable DMA CMA with swiotlb 2014-06-04 16:53:57 -07:00
switch_to.h x86/sched/64: Don't save flags on context switch (reinstated) 2015-09-25 09:29:17 +02:00
sync_bitops.h arch,x86: Convert smp_mb__*() 2014-04-18 14:20:46 +02:00
sys_ia32.h unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE 2013-05-09 13:46:38 -04:00
syscall.h x86/syscalls: Give sys_call_ptr_t a useful type 2015-10-09 09:41:08 +02:00
syscalls.h x86/vm86: Clean up vm86.h includes 2015-07-31 13:31:10 +02:00
sysfb.h x86: sysfb: move EFI quirks from efifb to sysfb 2013-08-02 16:17:47 -07:00
tce.h
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thread_info.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
time.h x86: i8253: Consolidate definitions of global_clock_event 2011-06-09 15:01:40 +02:00
timer.h Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:03:57 -08:00
timex.h
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tlb.h x86-32: Fix possible incomplete TLB invalidate with PAE pagetables 2013-04-12 16:56:47 -07:00
tlbflush.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
topology.h Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-06-22 17:59:09 -07:00
trace_clock.h tracing: Format non-nanosec times from tsc clock without a decimal point. 2012-11-13 15:48:40 -05:00
traps.h x86/entry: Remove exception_enter() from most trap handlers 2015-07-07 10:59:09 +02:00
tsc.h Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-01 08:40:25 -07:00
uaccess.h Merge branch 'uaccess' (batched user access infrastructure) 2016-01-21 13:02:41 -08:00
uaccess_32.h x86: fix SMAP in 32-bit environments 2016-02-23 16:25:20 -08:00
uaccess_64.h x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
unaligned.h
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unistd.h sys_sgetmask/sys_ssetmask: add CONFIG_SGETMASK_SYSCALL 2014-06-04 16:54:14 -07:00
uprobes.h uprobes/x86: Rename arch_uprobe->def to ->defparam, minor comment updates 2014-06-05 16:21:57 +02:00
user.h x86/fpu: Rename xsave.header::xstate_bv to 'xfeatures' 2015-05-19 15:47:35 +02:00
user32.h
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user_32.h
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user_64.h
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vdso.h x86/vdso: Use .fault for the vDSO text mapping 2016-01-12 11:59:34 +01:00
vga.h x86, ia64: Move EFI_FB vga_default_device() initialization to pci_vga_fixup() 2014-07-10 16:48:48 -06:00
vgtod.h x86/vdso: Disallow vvar access to vclock IO for never-used vclocks 2016-01-12 11:59:35 +01:00
virtext.h x86: Store a per-cpu shadow copy of CR4 2015-02-04 12:10:42 +01:00
vm86.h x86/vm86: Rename vm86->v86flags and v86mask 2015-07-31 13:31:11 +02:00
vmx.h KVM: VMX: Enable and initialize VMX TSC scaling 2015-11-10 12:06:19 +01:00
vsyscall.h x86_64,vsyscall: Make vsyscall emulation configurable 2014-11-03 21:44:57 +01:00
vvar.h x86,vdso: Use LSL unconditionally for vgetcpu 2014-11-03 13:41:53 +01:00
word-at-a-time.h word-at-a-time: make the interfaces truly generic 2012-05-26 11:33:40 -07:00
x2apic.h x86/apic: Factor out default target_cpus() operation 2012-06-06 10:22:17 +02:00
x86_init.h Merge branch 'linus' into x86/cleanups 2015-12-19 11:49:13 +01:00
xor.h x86/fpu: Rename i387.h to fpu/api.h 2015-05-19 15:47:30 +02:00
xor_32.h x86/cpufeature: Remove unused and seldomly used cpu_has_xx macros 2015-12-19 11:49:55 +01:00
xor_64.h x86/xor: Add alternative SSE implementation only prefetching once per 64-byte line 2013-01-25 09:23:50 +01:00
xor_avx.h x86/fpu: Rename i387.h to fpu/api.h 2015-05-19 15:47:30 +02:00