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1dde7415e9
linux/arch/x86
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Borislav Petkov 1dde7415e9 x86/retpoline: Simplify vmexit_fill_RSB() 
Simplify it to call an asm-function instead of pasting 41 insn bytes at
every call site. Also, add alignment to the macro as suggested here:

  https://support.google.com/faqs/answer/7625886

[dwmw2: Clean up comments, let it clobber %ebx and just tell the compiler]

Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: ak@linux.intel.com
Cc: dave.hansen@intel.com
Cc: karahmed@amazon.de
Cc: arjan@linux.intel.com
Cc: torvalds@linux-foundation.org
Cc: peterz@infradead.org
Cc: bp@alien8.de
Cc: pbonzini@redhat.com
Cc: tim.c.chen@linux.intel.com
Cc: gregkh@linux-foundation.org
Link: https://lkml.kernel.org/r/1517070274-12128-3-git-send-email-dwmw@amazon.co.uk
2018-01-27 19:10:45 +01:00
..
boot x86/mm/pti: Add infrastructure for page table isolation 2017-12-23 21:12:59 +01:00
configs x86/unwind: Rename unwinder config options to 'CONFIG_UNWINDER_*' 2017-10-14 10:12:12 +02:00
crypto x86/retpoline/crypto: Convert crypto assembler indirect jumps 2018-01-12 00:14:29 +01:00
entry x86/retpoline: Simplify vmexit_fill_RSB() 2018-01-27 19:10:45 +01:00
events x86,perf: Disable intel_bts when PTI 2018-01-14 11:42:10 +01:00
hyperv x86/virt: Add enum for hypervisors to replace x86_hyper 2017-11-10 10:03:12 +01:00
ia32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
include x86/retpoline: Simplify vmexit_fill_RSB() 2018-01-27 19:10:45 +01:00
kernel x86/cpufeatures: Clean up Spectre v2 related CPUID flags 2018-01-27 19:10:44 +01:00
kvm KVM: VMX: Make indirect call speculation safe 2018-01-25 14:14:42 +01:00
lib x86/retpoline: Simplify vmexit_fill_RSB() 2018-01-27 19:10:45 +01:00
math-emu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm x86/kasan: Panic if there is not enough memory to boot 2018-01-15 00:32:35 +01:00
net bpf: fix bpf_tail_call() x64 JIT 2017-10-03 16:04:44 -07:00
oprofile x86/oprofile/ppro: Do not use __this_cpu*() in preemptible context 2017-11-08 13:01:54 +01:00
pci License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
platform x86/pti: Unbreak EFI old_memmap 2018-01-06 21:38:16 +01:00
power x86/entry: Remap the TSS into the CPU entry area 2017-12-17 13:59:56 +01:00
purgatory License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ras License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
realmode License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tools License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
um Merge commit 'upstream-x86-entry' into WIP.x86/mm 2017-12-17 12:58:53 +01:00
video
xen x86/cpu_entry_area: Move it out of the fixmap 2017-12-22 20:13:05 +01:00
.gitignore
Kbuild Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-07 09:25:15 -07:00
Kconfig x86/retpoline: Add initial retpoline support 2018-01-12 00:14:28 +01:00
Kconfig.cpu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig.debug Merge commit 'upstream-x86-entry' into WIP.x86/mm 2017-12-17 12:58:53 +01:00
Makefile x86/retpoline: Remove compile time warning 2018-01-14 22:29:36 +01:00
Makefile_32.cpu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile.um License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00