| Date | Mon, 13 Dec 2021 09:50:22 -0000 | From | "tip-bot2 for Peter Zijlstra" <> | Subject | [tip: x86/core] x86/entry_64: Remove .fixup usage |
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The following commit has been merged into the x86/core branch of tip:
Commit-ID: 16e617d05ef0c521d000c989796412ce713f28c9 Gitweb: https://git.kernel.org/tip/16e617d05ef0c521d000c989796412ce713f28c9 Author: Peter Zijlstra <peterz@infradead.org> AuthorDate: Wed, 10 Nov 2021 11:01:07 +01:00 Committer: Peter Zijlstra <peterz@infradead.org> CommitterDate: Sat, 11 Dec 2021 09:09:46 +01:00
x86/entry_64: Remove .fixup usage
Place the anonymous .fixup code at the tail of the regular functions.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com> Reviewed-by: Borislav Petkov <bp@suse.de> Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com> Link: https://lore.kernel.org/r/20211110101325.186049322@infradead.org --- arch/x86/entry/entry_64.S | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index e23319a..1ffdbfa 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -739,13 +739,9 @@ SYM_FUNC_START(asm_load_gs_index) swapgs FRAME_END RET -SYM_FUNC_END(asm_load_gs_index) -EXPORT_SYMBOL(asm_load_gs_index) - _ASM_EXTABLE(.Lgs_change, .Lbad_gs) - .section .fixup, "ax" /* running with kernelgs */ -SYM_CODE_START_LOCAL_NOALIGN(.Lbad_gs) +.Lbad_gs: swapgs /* switch back to user gs */ .macro ZAP_GS /* This can't be a string because the preprocessor needs to see it. */ @@ -756,8 +752,11 @@ SYM_CODE_START_LOCAL_NOALIGN(.Lbad_gs) xorl %eax, %eax movl %eax, %gs jmp 2b -SYM_CODE_END(.Lbad_gs) - .previous + + _ASM_EXTABLE(.Lgs_change, .Lbad_gs) + +SYM_FUNC_END(asm_load_gs_index) +EXPORT_SYMBOL(asm_load_gs_index) #ifdef CONFIG_XEN_PV /*
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