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sparc64: use ENTRY/ENDPROC in VISsave 

From 7d8a508d74e6cacf0f2438286a959c3195a35a37 Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <sam@ravnborg.org>
Date: Fri, 7 Aug 2015 20:26:12 +0200
Subject: [PATCH] sparc64: use ENTRY/ENDPROC in VISsave

Commit 44922150d8
("sparc64: Fix userspace FPU register corruptions") left a
stale globl symbol which was not used.

Fix this and introduce use of ENTRY/ENDPROC

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2015-08-07 20:34:12 +02:00 committed by David S. Miller
parent c1b3475def
commit 73958c651f
1 changed files with 5 additions and 5 deletions
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10
arch/sparc/lib/VISsave.S
View File

@ -6,24 +6,23 @@
* Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
*/ */
#include <linux/linkage.h>
#include <asm/asi.h> #include <asm/asi.h>
#include <asm/page.h> #include <asm/page.h>
#include <asm/ptrace.h> #include <asm/ptrace.h>
#include <asm/visasm.h> #include <asm/visasm.h>
#include <asm/thread_info.h> #include <asm/thread_info.h>
.text
.globl VISenter, VISenterhalf
/* On entry: %o5=current FPRS value, %g7 is callers address */ /* On entry: %o5=current FPRS value, %g7 is callers address */
/* May clobber %o5, %g1, %g2, %g3, %g7, %icc, %xcc */ /* May clobber %o5, %g1, %g2, %g3, %g7, %icc, %xcc */
/* Nothing special need be done here to handle pre-emption, this /* Nothing special need be done here to handle pre-emption, this
* FPU save/restore mechanism is already preemption safe. * FPU save/restore mechanism is already preemption safe.
*/ */
.text
.align 32 .align 32
VISenter: ENTRY(VISenter)
ldub [%g6 + TI_FPDEPTH], %g1 ldub [%g6 + TI_FPDEPTH], %g1
brnz,a,pn %g1, 1f brnz,a,pn %g1, 1f
cmp %g1, 1 cmp %g1, 1
@ -79,3 +78,4 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3
.align 32 .align 32
80: jmpl %g7 + %g0, %g0 80: jmpl %g7 + %g0, %g0
nop nop
ENDPROC(VISenter)