Commit-ID: 1acdbf7ea8a80706561013346d281d282a3c00f9 Gitweb: https://git.kernel.org/tip/1acdbf7ea8a80706561013346d281d282a3c00f9 Author: Alexey Dobriyan <adobriyan@xxxxxxxxx> AuthorDate: Sat, 13 Jan 2018 21:50:48 +0300 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Tue, 13 Feb 2018 17:36:49 +0100 x86/asm: Clobber flags in clear_page() All clear_page() implementations use XOR which resets flags. Judging by allyesconfig disassembly no code is affected. Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Reviewed-by: Borislav Petkov <bp@xxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/20180113185048.GA23111@avx2 Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/include/asm/page_64.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h index 4baa6bc..f8a85c6 100644 --- a/arch/x86/include/asm/page_64.h +++ b/arch/x86/include/asm/page_64.h @@ -47,7 +47,7 @@ static inline void clear_page(void *page) clear_page_erms, X86_FEATURE_ERMS, "=D" (page), "0" (page) - : "memory", "rax", "rcx"); + : "cc", "memory", "rax", "rcx"); } void copy_page(void *to, void *from); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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