sparc64: use ENTRY/ENDPROC in VISsave (73958c65) · Commits · 戴 / test

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 ("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>

arch/sparc/lib/VISsave.S

+5 −5

Original line number	Diff line number	Diff line
		@@ -6,24 +6,23 @@
		* Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
		*/

		#include <linux/linkage.h>

		#include <asm/asi.h>
		#include <asm/page.h>
		#include <asm/ptrace.h>
		#include <asm/visasm.h>
		#include <asm/thread_info.h>

		.text
		.globl VISenter, VISenterhalf

		/* On entry: %o5=current FPRS value, %g7 is callers address */
		/* May clobber %o5, %g1, %g2, %g3, %g7, %icc, %xcc */

		/* Nothing special need be done here to handle pre-emption, this
		* FPU save/restore mechanism is already preemption safe.
		*/

		.text
		.align 32
		VISenter:
		ENTRY(VISenter)
		ldub [%g6 + TI_FPDEPTH], %g1
		brnz,a,pn %g1, 1f
		cmp %g1, 1
		@@ -79,3 +78,4 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3
		.align 32
		80: jmpl %g7 + %g0, %g0
		nop
		ENDPROC(VISenter)

Admin message