linux-kernel - [PATCH] entry/64: remove unused ZERO_EXTRA

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Date:   Thu, 20 Oct 2016 18:07:04 +0600
From:   Alexander Kuleshov <kuleshovmail@...il.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Ingo Molnar <mingo@...hat.com>, "H . Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Paolo Bonzini <pbonzini@...hat.com>,
        linux-kernel@...r.kernel.org,
        Alexander Kuleshov <kuleshovmail@...il.com>
Subject: [PATCH] entry/64: remove unused ZERO_EXTRA_REGS macro

Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com>
---
 arch/x86/entry/calling.h | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h
index 9a9e588..e32353a 100644
--- a/arch/x86/entry/calling.h
+++ b/arch/x86/entry/calling.h
@@ -147,15 +147,6 @@ For 32-bit we have the following conventions - kernel is built with
 	movq 5*8+\offset(%rsp), %rbx
 	.endm
 
-	.macro ZERO_EXTRA_REGS
-	xorl	%r15d, %r15d
-	xorl	%r14d, %r14d
-	xorl	%r13d, %r13d
-	xorl	%r12d, %r12d
-	xorl	%ebp, %ebp
-	xorl	%ebx, %ebx
-	.endm
-
 	.macro RESTORE_C_REGS_HELPER rstor_rax=1, rstor_rcx=1, rstor_r11=1, rstor_r8910=1, rstor_rdx=1
 	.if \rstor_r11
 	movq 6*8(%rsp), %r11
-- 
2.8.0.rc3.1353.gea9bdc0