x86/entry/64: Simplify idtentry_body

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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20200521202118.145811853@linutronix.de

diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index dadb37d..b70c778 100644 (file)
--- 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