linux-kernel - [tip: x86/entry] x86/entry/64: Simplify idtentry

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Message-ID: <159056711551.17951.12857517813618432275.tip-bot2@tip-bot2>
Date:   Wed, 27 May 2020 08:11:55 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Andy Lutomirski <luto@...nel.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/entry] x86/entry/64: Simplify idtentry_body

The following commit has been merged into the x86/entry branch of tip:

Commit-ID:     8518ad5d38056deee232b186533a18e7722ad3ad
Gitweb:        https://git.kernel.org/tip/8518ad5d38056deee232b186533a18e7722ad3ad
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Thu, 21 May 2020 22:05:27 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 26 May 2020 19:06:28 +02:00

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@...utronix.de>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Acked-by: Andy Lutomirski <luto@...nel.org>
Link: https://lore.kernel.org/r/20200521202118.145811853@linutronix.de
---
 arch/x86/entry/entry_64.S | 2 --
 1 file changed, 2 deletions(-)

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