AuxXxilium/linux_dsm_epyc7002
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9d0c914c60
linux_dsm_epyc7002/arch/x86
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Andy Lutomirski 9d0c914c60 x86/asm/entry/64/compat: Change the 32-bit sysenter code to use sp0 
The ia32 sysenter code loaded the top of the kernel stack into
rsp by loading kernel_stack and then adjusting it.  It can be
simplified to just read sp0 directly.

This requires the addition of a new asm-offsets entry for sp0.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
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: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/88ff9006163d296a0665338585c36d9bfb85235d.1425611534.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-03-06 08:32:58 +01:00
..
boot Linux 4.0-rc2 2015-03-04 06:35:43 +01:00
configs x86/kconfig/defconfig: Enable CONFIG_FHANDLE=y 2014-12-08 12:04:17 +01:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-02-14 09:47:01 -08:00
ia32 x86/asm/entry/64/compat: Change the 32-bit sysenter code to use sp0 2015-03-06 08:32:58 +01:00
include x86/asm/entry: Switch all C consumers of kernel_stack to this_cpu_sp0() 2015-03-06 08:32:57 +01:00
kernel x86/asm/entry/64/compat: Change the 32-bit sysenter code to use sp0 2015-03-06 08:32:58 +01:00
kvm Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-02-16 14:58:12 -08:00
lguest x86/asm/entry: Add this_cpu_sp0() to read sp0 for the current cpu 2015-03-06 08:32:57 +01:00
lib x86/asm: Introduce push/pop macros which generate CFI_REL_OFFSET and CFI_RESTORE 2015-03-04 22:50:49 +01:00
math-emu
mm Linux 4.0-rc2 2015-03-04 06:35:43 +01:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-12-10 15:48:20 -05:00
oprofile percpu: Resolve ambiguities in __get_cpu_var/cpumask_var_t 2014-08-28 08:58:57 -04:00
pci ACPI and power management updates for v3.20-rc1 2015-02-10 15:09:41 -08:00
platform Merge branch 'linus' into x86/urgent, to merge dependent patch 2015-02-28 08:03:10 +01:00
power x86: Store a per-cpu shadow copy of CR4 2015-02-04 12:10:42 +01:00
purgatory Merge branches 'x86-build-for-linus', 'x86-cleanups-for-linus' and 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-10 12:35:46 -08:00
realmode Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-02-16 14:58:12 -08:00
syscalls x86/compat: Remove sys32_vm86_warning 2015-03-04 06:16:21 +01:00
tools x86, build: replace Perl script with Shell script 2015-01-26 13:37:18 -08:00
um x86/asm: Use alternative_2() in rdtsc_barrier() 2015-02-23 13:44:17 +01:00
vdso x86_64: add KASan support 2015-02-13 21:21:41 -08:00
video
xen x86/asm/entry: Add this_cpu_sp0() to read sp0 for the current cpu 2015-03-06 08:32:57 +01:00
.gitignore x86/build: Add arch/x86/purgatory/ make generated files to gitignore 2014-10-09 09:29:46 +02:00
Kbuild kexec: create a new config option CONFIG_KEXEC_FILE for new syscall 2014-08-29 16:28:16 -07:00
Kconfig Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-02-21 11:12:07 -08:00
Kconfig.cpu
Kconfig.debug x86/intel/quark: Add Isolated Memory Regions for Quark X1000 2015-02-18 23:22:47 +01:00
Makefile x86/raid6: correctly check for assembler capabilities 2015-02-04 08:35:51 +11:00
Makefile_32.cpu
Makefile.um kbuild: do not add $(call ...) to invoke cc-version or cc-fullversion 2015-01-09 17:25:44 +01:00