Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1373909
| From | Andy Lutomirski <luto@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 7/7] x86/entry: Make gs_change a local label |
| Date | 2016-04-08 02:40 +0200 |
| Message-ID | <rlsCU-3LP-45@gated-at.bofh.it> (permalink) |
| References | <rlsCT-3LP-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Borislav Petkov <bp@suse.de> ... so that it doesn't appear in objdump output. Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Andy Lutomirski <luto@kernel.org> --- arch/x86/entry/entry_64.S | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 64d2033d1e49..1693c17dbf81 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -781,7 +781,7 @@ ENTRY(native_load_gs_index) pushfq DISABLE_INTERRUPTS(CLBR_ANY & ~CLBR_RDI) SWAPGS -gs_change: +.Lgs_change: movl %edi, %gs 2: ALTERNATIVE "", "mfence", X86_BUG_SWAPGS_FENCE SWAPGS @@ -789,7 +789,7 @@ gs_change: ret END(native_load_gs_index) - _ASM_EXTABLE(gs_change, bad_gs) + _ASM_EXTABLE(.Lgs_change, bad_gs) .section .fixup, "ax" /* running with kernelgs */ bad_gs: @@ -1019,13 +1019,13 @@ ENTRY(error_entry) movl %ecx, %eax /* zero extend */ cmpq %rax, RIP+8(%rsp) je .Lbstep_iret - cmpq $gs_change, RIP+8(%rsp) + cmpq $.Lgs_change, RIP+8(%rsp) jne .Lerror_entry_done /* - * hack: gs_change can fail with user gsbase. If this happens, fix up + * hack: .Lgs_change can fail with user gsbase. If this happens, fix up * gsbase and proceed. We'll fix up the exception and land in - * gs_change's error handler with kernel gsbase. + * .Lgs_change's error handler with kernel gsbase. */ jmp .Lerror_entry_from_usermode_swapgs -- 2.5.5
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH v3 0/7] x86: Pile o' FS/GS changes Andy Lutomirski <luto@kernel.org> - 2016-04-08 02:40 +0200
[PATCH v3 1/7] selftests/x86: Test the FSBASE/GSBASE API and context switching Andy Lutomirski <luto@kernel.org> - 2016-04-08 02:40 +0200
[tip:x86/asm] selftests/x86: Test the FSBASE/GSBASE API and context switching tip-bot for Andy Lutomirski <tipbot@zytor.com> - 2016-04-13 13:40 +0200
[PATCH v3 5/7] x86/cpu: Move X86_BUG_ESPFIX initialization to generic_identify Andy Lutomirski <luto@kernel.org> - 2016-04-08 02:40 +0200
[tip:x86/asm] x86/cpu: Move X86_BUG_ESPFIX initialization to generic_identify() tip-bot for Andy Lutomirski <tipbot@zytor.com> - 2016-04-13 13:40 +0200
[PATCH v3 7/7] x86/entry: Make gs_change a local label Andy Lutomirski <luto@kernel.org> - 2016-04-08 02:40 +0200
[tip:x86/asm] x86/entry/64: Make gs_change a local label tip-bot for Borislav Petkov <tipbot@zytor.com> - 2016-04-13 13:40 +0200
Re: [PATCH v3 6/7] x86/cpu: Add Erratum 88 detection on AMD Andy Lutomirski <luto@amacapital.net> - 2016-04-08 03:50 +0200
Re: [PATCH v3 6/7] x86/cpu: Add Erratum 88 detection on AMD Borislav Petkov <bp@alien8.de> - 2016-04-08 12:00 +0200
Re: [PATCH v3 2/7] x86/arch_prctl: Fix ARCH_GET_FS and ARCH_GET_GS Ingo Molnar <mingo@kernel.org> - 2016-04-08 09:20 +0200
Re: [PATCH v3 2/7] x86/arch_prctl: Fix ARCH_GET_FS and ARCH_GET_GS Dmitry Safonov <0x7f454c46@gmail.com> - 2016-04-08 11:40 +0200
Re: [PATCH v3 2/7] x86/arch_prctl: Fix ARCH_GET_FS and ARCH_GET_GS Andy Lutomirski <luto@amacapital.net> - 2016-04-08 18:10 +0200
Re: [PATCH v3 0/7] x86: Pile o' FS/GS changes Borislav Petkov <bp@alien8.de> - 2016-04-08 12:40 +0200
Re: [PATCH v3 0/7] x86: Pile o' FS/GS changes Borislav Petkov <bp@alien8.de> - 2016-04-08 12:50 +0200
csiph-web