commit 54f565ea895b383b67a2d6e31d2e2fcac5e6c345
author William Lee Irwin III <wli@holomorphy.com> Mon Mar 12 17:08:25 2007 -0700
committer David S. Miller <davem@davemloft.net> Mon Mar 12 17:08:25 2007 -0700
tree 82c9a38af3f9912ca3a4cb60e243a53151be5ac7
parent c0a79b229ac0e3a96fc00d5be65a498ceb06ef63

[SPARC]: Fix TIF_USEDFPU flag atomicity

From: William Lee Irwin III <wli@holomorphy.com>

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/traps.c

diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c
index 6a70d21..527687a 100644
--- a/arch/sparc/kernel/traps.c
+++ b/arch/sparc/kernel/traps.c
@@ -259,7 +259,7 @@
 	} else {
 		fpload(&current->thread.float_regs[0], &current->thread.fsr);
 	}
-	current_thread_info()->flags |= _TIF_USEDFPU;
+	set_thread_flag(TIF_USEDFPU);
 #endif
 }
 
@@ -290,7 +290,7 @@
 #ifndef CONFIG_SMP
 	if(!fpt) {
 #else
-        if(!(task_thread_info(fpt)->flags & _TIF_USEDFPU)) {
+	if (!test_tsk_thread_flag(fpt, TIF_USEDFPU)) {
 #endif
 		fpsave(&fake_regs[0], &fake_fsr, &fake_queue[0], &fake_depth);
 		regs->psr &= ~PSR_EF;
@@ -333,7 +333,7 @@
 	/* nope, better SIGFPE the offending process... */
 	       
 #ifdef CONFIG_SMP
-	task_thread_info(fpt)->flags &= ~_TIF_USEDFPU;
+	clear_tsk_thread_flag(fpt, TIF_USEDFPU);
 #endif
 	if(psr & PSR_PS) {
 		/* The first fsr store/load we tried trapped,