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i2som-imx-linux/arch/x86/include/asm
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Steven Rostedt (VMware) 830f3b829f kprobes, x86/ptrace.h: Make regs_get_kernel_stack_nth() not fault on bad stack 
[ Upstream commit c2712b8581 ]

Andy had some concerns about using regs_get_kernel_stack_nth() in a new
function regs_get_kernel_argument() as if there's any error in the stack
code, it could cause a bad memory access. To be on the safe side, call
probe_kernel_read() on the stack address to be extra careful in accessing
the memory. A helper function, regs_get_kernel_stack_nth_addr(), was added
to just return the stack address (or NULL if not on the stack), that will be
used to find the address (and could be used by other functions) and read the
address with kernel_probe_read().

Requested-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20181017165951.09119177@gandalf.local.home
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-12-01 09:13:38 +01:00
..
crypto
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e820
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fpu
x86/fpu: Don't export __kernel_fpu_{begin,end}()
2019-05-16 19:42:31 +02:00
numachip
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trace
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uv
x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
2019-02-20 10:20:53 +01:00
xen
xen: Prevent buffer overflow in privcmd ioctl
2019-04-17 08:37:54 +02:00
a.out-core.h
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acenv.h
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acpi.h
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agp.h
…
alternative-asm.h
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alternative.h
x86/alternatives: Fixup alternative_call_2
2018-05-30 07:52:20 +02:00
amd_nb.h
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apb_timer.h
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apic_flat_64.h
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apic.h
x86/apic: Silence -Wtype-limits compiler warnings
2019-08-06 19:05:23 +02:00
apicdef.h
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apm.h
x86/apm: Don't access __preempt_count with zeroed fs
2018-07-25 11:25:07 +02:00
arch_hweight.h
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archrandom.h
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asm-offsets.h
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asm-prototypes.h
Revert "x86/retpoline: Simplify vmexit_fill_RSB()"
2018-03-15 10:54:36 +01:00
asm.h
x86/asm: Add _ASM_ARG* constants for argument registers to <asm/asm.h>
2018-07-22 14:28:42 +02:00
atomic64_32.h
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atomic64_64.h
x86/atomic: Fix smp_mb__{before,after}_atomic()
2019-07-31 07:28:26 +02:00
atomic.h
x86/atomic: Fix smp_mb__{before,after}_atomic()
2019-07-31 07:28:26 +02:00
barrier.h
x86/atomic: Fix smp_mb__{before,after}_atomic()
2019-07-31 07:28:26 +02:00
bios_ebda.h
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bitops.h
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boot.h
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bootparam_utils.h
x86/boot: Preserve boot_params.secure_boot from sanitizing
2019-09-10 10:32:21 +01:00
bug.h
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bugs.h
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cache.h
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cacheflush.h
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calgary.h
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ce4100.h
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checksum_32.h
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checksum_64.h
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checksum.h
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clocksource.h
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cmdline.h
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cmpxchg_32.h
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cmpxchg_64.h
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cmpxchg.h
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compat.h
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cpu_device_id.h
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cpu_entry_area.h
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cpu.h
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cpufeature.h
x86/cpufeatures: Combine word 11 and 12 into a new scattered features word
2019-08-06 19:05:29 +02:00
cpufeatures.h
x86/bugs: Add ITLB_MULTIHIT bug infrastructure
2019-11-12 19:19:03 +01:00
cpumask.h
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crash.h
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current.h
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debugreg.h
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delay.h
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desc_defs.h
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desc.h
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device.h
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disabled-features.h
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div64.h
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dma-mapping.h
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dma.h
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dmi.h
x86: Don't include linux/irq.h from asm/hardirq.h
2018-08-15 18:12:58 +02:00
dwarf2.h
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edac.h
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efi.h
x86/fpu: Don't export __kernel_fpu_{begin,end}()
2019-05-16 19:42:31 +02:00
elf.h
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emergency-restart.h
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entry_arch.h
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espfix.h
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exec.h
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export.h
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extable.h
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fb.h
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fixmap.h
x86/mm: Expand static page table for fixmap space
2018-10-03 17:00:54 -07:00
floppy.h
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frame.h
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ftrace.h
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futex.h
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gart.h
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genapic.h
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geode.h
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hardirq.h
x86: Don't include linux/irq.h from asm/hardirq.h
2018-08-15 18:12:58 +02:00
highmem.h
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hpet.h
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hugetlb.h
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hw_breakpoint.h
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hw_irq.h
x86/platform/uv/BAU: Add APIC idt entry
2018-04-08 14:26:27 +02:00
hypertransport.h
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hypervisor.h
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i8259.h
x86: i8259: Add missing include file
2018-08-17 21:01:10 +02:00
ia32_unistd.h
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ia32.h
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imr.h
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inat_types.h
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inat.h
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init.h
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insn.h
kprobes/x86: Prohibit probing on exception masking instructions
2018-06-21 04:02:57 +09:00
inst.h
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intel_ds.h
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intel_mid_vrtc.h
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intel_pmc_ipc.h
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intel_pt.h
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intel_punit_ipc.h
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intel_rdt_sched.h
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intel_scu_ipc.h
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intel_telemetry.h
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intel-family.h
x86/cpu: Add Atom Tremont (Jacobsville)
2019-11-06 12:42:54 +01:00
intel-mid.h
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invpcid.h
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io_apic.h
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io.h
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iomap.h
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iommu_table.h
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iommu.h
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iosf_mbi.h
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ipi.h
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irq_regs.h
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irq_remapping.h
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irq_vectors.h
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irq_work.h
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irq.h
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irqdomain.h
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irqflags.h
x86/speculation/mds: Conditionally clear CPU buffers on idle entry
2019-05-14 19:18:43 +02:00
ist.h
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jump_label.h
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kasan.h
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kaslr.h
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kbdleds.h
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Kbuild
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kdebug.h
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kexec-bzimage64.h
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kexec.h
x86/kexec: Correct KEXEC_BACKUP_SRC_END off-by-one error
2019-11-24 08:23:27 +01:00
kgdb.h
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kmap_types.h
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kprobes.h
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kvm_emulate.h
kvm: x86: use correct privilege level for sgdt/sidt/fxsave/fxrstor access
2018-06-16 09:45:17 +02:00
kvm_guest.h
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kvm_host.h
kvm: x86: mmu: Recovery of shattered NX large pages
2019-11-12 19:19:08 +01:00
kvm_page_track.h
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kvm_para.h
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kvmclock.h
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linkage.h
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livepatch.h
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local64.h
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local.h
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mach_timer.h
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mach_traps.h
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math_emu.h
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mc146818rtc.h
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mce.h
x86/mce: Add notifier_block forward declaration
2018-09-15 09:45:27 +02:00
mem_encrypt.h
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microcode_amd.h
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microcode_intel.h
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microcode.h
x86/microcode: Attempt late loading only when new microcode is present
2018-04-12 12:32:22 +02:00
misc.h
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mmconfig.h
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mmu_context.h
x86/pkeys: Properly copy pkey state at fork()
2019-01-31 08:13:45 +01:00
mmu.h
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mmx.h
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mmzone_32.h
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mmzone_64.h
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mmzone.h
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module.h
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mpspec_def.h
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mpspec.h
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mpx.h
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mshyperv.h
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msi.h
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msidef.h
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msr-index.h
x86/bugs: Add ITLB_MULTIHIT bug infrastructure
2019-11-12 19:19:03 +01:00
msr-trace.h
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msr.h
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mtrr.h
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mwait.h
x86/asm: Fix MWAITX C-state hint value
2019-10-17 13:44:02 -07:00
nmi.h
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nops.h
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nospec-branch.h
x86/speculation/taa: Add mitigation for TSX Async Abort
2019-11-12 19:19:00 +01:00
numa_32.h
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numa.h
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olpc_ofw.h
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olpc.h
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orc_lookup.h
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orc_types.h
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page_32_types.h
x86/speculation/l1tf: Increase 32bit PAE __PHYSICAL_PAGE_SHIFT
2018-08-15 18:12:50 +02:00
page_32.h
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page_64_types.h
x86_64: increase stack size for KASAN_EXTRA
2019-03-13 14:03:17 -07:00
page_64.h
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page_types.h
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page.h
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paravirt_types.h
x86/paravirt, objtool: Annotate indirect calls
2018-03-15 10:54:37 +01:00
paravirt.h
x86/paravirt: Fix callee-saved function ELF sizes
2019-08-06 19:05:24 +02:00
parport.h
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pat.h
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pci_64.h
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pci_x86.h
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pci-direct.h
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pci-functions.h
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pci.h
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percpu.h
x86/percpu: Fix this_cpu_read()
2018-11-10 07:48:36 -08:00
perf_event_p4.h
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perf_event.h
perf/x86/amd/ibs: Fix sample bias for dispatched micro-ops
2019-09-21 07:15:41 +02:00
pgalloc.h
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pgtable_32_types.h
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pgtable_32.h
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pgtable_64_types.h
x86/mm: Fix guard hole handling
2019-01-13 10:00:58 +01:00
pgtable_64.h
x86/mm: Use WRITE_ONCE() when setting PTEs
2019-08-25 10:50:03 +02:00
pgtable_types.h
mm: Preserve _PAGE_DEVMAP across mprotect() calls
2018-10-18 09:16:25 +02:00
pgtable-2level_types.h
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pgtable-2level.h
x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation
2018-08-15 18:12:50 +02:00
pgtable-3level_types.h
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pgtable-3level.h
x86/pae: use 64 bit atomic xchg function in native_ptep_get_and_clear
2018-09-15 09:45:35 +02:00
pgtable-invert.h
x86/speculation/l1tf: Exempt zeroed PTEs from inversion
2018-08-18 10:48:00 +02:00
pgtable.h
x86/speculation/l1tf: Make pmd/pud_mknotpresent() invert
2018-08-15 18:13:01 +02:00
pkeys.h
x86/pkeys: Do not special case protection key 0
2018-05-22 18:53:59 +02:00
platform_sst_audio.h
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pm-trace.h
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pmc_core.h
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posix_types.h
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preempt.h
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probe_roms.h
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processor-cyrix.h
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processor-flags.h
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processor.h
x86/speculation/taa: Add mitigation for TSX Async Abort
2019-11-12 19:19:00 +01:00
prom.h
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proto.h
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pti.h
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ptrace.h
kprobes, x86/ptrace.h: Make regs_get_kernel_stack_nth() not fault on bad stack
2019-12-01 09:13:38 +01:00
purgatory.h
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pvclock-abi.h
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pvclock.h
x86/pvclock: add setter for pvclock_pvti_cpu0_va
2019-01-31 08:13:47 +01:00
qrwlock.h
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qspinlock_paravirt.h
locking/qspinlock: Merge 'struct __qspinlock' into 'struct qspinlock'
2018-12-21 14:13:08 +01:00
qspinlock.h
locking/qspinlock, x86: Provide liveness guarantee
2018-12-21 14:13:09 +01:00
realmode.h
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reboot_fixups.h
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reboot.h
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refcount.h
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required-features.h
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rio.h
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rmwcc.h
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rwsem.h
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seccomp.h
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sections.h
x86/kprobes: Fix kernel crash when probing .entry_trampoline code
2018-03-15 10:54:38 +01:00
segment.h
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serial.h
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set_memory.h
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setup_arch.h
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setup.h
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shmparam.h
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sigcontext.h
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sigframe.h
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sighandling.h
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signal.h
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simd.h
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smap.h
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smp.h
x86/apic: Drop logical_smp_processor_id() inline
2019-11-12 19:18:45 +01:00
sparsemem.h
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spec-ctrl.h
x86/speculation: Prevent stale SPEC_CTRL msr content
2018-12-05 19:41:22 +01:00
special_insns.h
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spinlock_types.h
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spinlock.h
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sta2x11.h
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stackprotector.h
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stacktrace.h
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string_32.h
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string_64.h
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string.h
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suspend_32.h
x86/power: Make restore_processor_context() sane
2019-04-17 08:37:43 +02:00
suspend_64.h
x86/power: Make restore_processor_context() sane
2019-04-17 08:37:43 +02:00
suspend.h
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svm.h
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swiotlb.h
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switch_to.h
sched/x86: Save [ER]FLAGS on context switch
2019-05-21 18:50:14 +02:00
sync_bitops.h
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sys_ia32.h
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syscall.h
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syscalls.h
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sysfb.h
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tce.h
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text-patching.h
x86: Hide the int3_emulate_call/jmp functions from UML
2019-05-31 06:47:10 -07:00
thread_info.h
x86/speculation: Prevent stale SPEC_CTRL msr content
2018-12-05 19:41:22 +01:00
time.h
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timer.h
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timex.h
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tlb.h
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tlbbatch.h
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tlbflush.h
x86/speculation: Prepare for conditional IBPB in switch_mm()
2018-12-05 19:41:21 +01:00
topology.h
x86/topology: Provide topology_smt_supported()
2018-08-15 18:12:51 +02:00
trace_clock.h
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traps.h
xen/pv: Fix a boot up hang revealed by int3 self test
2019-08-06 19:05:24 +02:00
tsc.h
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uaccess_32.h
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uaccess_64.h
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uaccess.h
x86/uaccess: Don't leak the AC flags into __get_user() argument evaluation
2019-09-21 07:15:44 +02:00
unaligned.h
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unistd.h
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unwind_hints.h
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unwind.h
x86/unwind: Handle NULL pointer calls better in frame unwinder
2019-03-27 14:13:54 +09:00
uprobes.h
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user32.h
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user_32.h
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user_64.h
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user.h
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vdso.h
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vga.h
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vgtod.h
x86/vdso: Fix lsl operand order
2018-09-05 09:26:39 +02:00
virtext.h
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vm86.h
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vmx.h
x86/speculation: Use ARCH_CAPABILITIES to skip L1D flush on vmentry
2018-08-15 18:13:00 +02:00
vsyscall.h
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vvar.h
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word-at-a-time.h
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x2apic.h
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x86_init.h
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xor_32.h
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xor_64.h
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xor_avx.h
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xor.h
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