lkml.org 
[lkml]   [2020]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch V9 14/39] x86/entry/64: Simplify idtentry_body
From: Thomas Gleixner <tglx@linutronix.de>

All C functions which do not have an error code have been converted to the
new IDTENTRY interface which does not expect an error code in the
arguments. Spare the XORL.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Andy Lutomirski <luto@kernel.org>
---
arch/x86/entry/entry_64.S | 2 --
1 file changed, 2 deletions(-)

--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -531,8 +531,6 @@ SYM_CODE_END(spurious_entries_start)
.if \has_error_code == 1
movq ORIG_RAX(%rsp), %rsi /* get error code into 2nd argument*/
movq $-1, ORIG_RAX(%rsp) /* no syscall to restart */
- .else
- xorl %esi, %esi /* Clear the error code */
.endif

.if \vector == X86_TRAP_PF
\
 
 \ /
  Last update: 2020-05-21 22:32    [W:0.649 / U:0.144 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site