---

yaml --- r: 62888 b: refs/heads/master c: 7160a67 h: refs/heads/master v: v3
git-mirror · Jul 25, 2007 · 2cf3e4c · 2cf3e4c
1 parent ce61384
commit 2cf3e4c
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Showing 2 changed files with 3 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 063586a6b1e877eb10621d191aeb67e361383d77
+refs/heads/master: 7160a67305f08d52284b333f1403abbf8b0a1970
diff --git a/trunk/arch/m68knommu/platform/5307/entry.S b/trunk/arch/m68knommu/platform/5307/entry.S
@@ -213,16 +213,12 @@ ENTRY(ret_from_interrupt)
  * Beware - when entering resume, prev (the current task) is
  * in a0, next (the new task) is in a1,so don't change these
  * registers until their contents are no longer needed.
+ * This is always called in supervisor mode, so don't bother to save
+ * and restore sr; user's process sr is actually in the stack.
  */
 ENTRY(resume)
 	movel	%a0, %d1			/* get prev thread in d1 */
 
-	movew	%sr,%d0				/* save thread status reg */
-	movew	%d0,%a0@(TASK_THREAD+THREAD_SR)
-
-	oril	#0x700,%d0			/* disable interrupts */
-	move	%d0,%sr
-
 	movel	sw_usp,%d0			/* save usp */
 	movel	%d0,%a0@(TASK_THREAD+THREAD_USP)
 
@@ -233,7 +229,4 @@ ENTRY(resume)
 
 	movel	%a1@(TASK_THREAD+THREAD_USP),%a0 /* restore thread user stack */
 	movel	%a0, sw_usp
-
-	movew	%a1@(TASK_THREAD+THREAD_SR),%d0	/* restore thread status reg */
-	movew	%d0, %sr
 	rts