---

yaml --- r: 323995 b: refs/heads/master c: e962591 h: refs/heads/master i: 323993: d1355ee 323991: a1a6278 v: v3
git-mirror · Sep 18, 2012 · 1aab341 · 1aab341
1 parent de864b7
commit 1aab341
Show file tree

Hide file tree

Showing 3 changed files with 5 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 72a671ced66db6d1c2bfff1c930a101ac8d08204
+refs/heads/master: e962591749dfd4df9fea2c530ed7a3cfed50e5aa
diff --git a/trunk/arch/x86/include/asm/fpu-internal.h b/trunk/arch/x86/include/asm/fpu-internal.h
@@ -448,17 +448,12 @@ static inline void save_init_fpu(struct task_struct *tsk)
 	preempt_enable();
 }
 
-static inline void stop_fpu_preload(struct task_struct *tsk)
-{
-	tsk->fpu_counter = 0;
-}
-
 static inline void drop_fpu(struct task_struct *tsk)
 {
 	/*
 	 * Forget coprocessor state..
 	 */
-	stop_fpu_preload(tsk);
+	tsk->fpu_counter = 0;
 	preempt_disable();
 	__drop_fpu(tsk);
 	preempt_enable();

diff --git a/trunk/arch/x86/kernel/xsave.c b/trunk/arch/x86/kernel/xsave.c
@@ -382,16 +382,14 @@ int __restore_xstate_sig(void __user *buf, void __user *buf_fx, int size)
 		struct xsave_struct *xsave = &tsk->thread.fpu.state->xsave;
 		struct user_i387_ia32_struct env;
 
-		stop_fpu_preload(tsk);
-		unlazy_fpu(tsk);
+		drop_fpu(tsk);
 
 		if (__copy_from_user(xsave, buf_fx, state_size) ||
-		    __copy_from_user(&env, buf, sizeof(env))) {
-			drop_fpu(tsk);
+		    __copy_from_user(&env, buf, sizeof(env)))
 			return -1;
-		}
 
 		sanitize_restored_xstate(tsk, &env, xstate_bv, fx_only);
+		set_used_math();
 	} else {
 		/*
 		 * For 64-bit frames and 32-bit fsave frames, restore the user