From df7ccaffd2035ebd4bfbb2d980e5817c31f4a891 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 25 Feb 2020 23:33:27 +0100 Subject: [PATCH] x86/entry/64: Remove error code clearing from #DB and #MCE ASM stub The C entry points do not expect an error code. Signed-off-by: Thomas Gleixner Reviewed-by: Alexandre Chartre Acked-by: Peter Zijlstra Acked-by: Andy Lutomirski Link: https://lkml.kernel.org/r/20200505135314.992621707@linutronix.de --- arch/x86/entry/entry_64.S | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index f47629a7f8e6..eeb428582d3d 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -642,7 +642,6 @@ SYM_CODE_START(\asmsym) .endif movq %rsp, %rdi /* pt_regs pointer */ - xorl %esi, %esi /* Clear the error code */ .if \vector == X86_TRAP_DB subq $DB_STACK_OFFSET, CPU_TSS_IST(IST_INDEX_DB)