---

yaml --- r: 162721 b: refs/heads/master c: 9264949 h: refs/heads/master i: 162719: 6517453 v: v3
git-mirror · Sep 17, 2009 · bd558a0 · bd558a0
1 parent a2a8459
commit bd558a0
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Showing 3 changed files with 9 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dac981740f4b990eadf523b0900859f189dd2b4e
+refs/heads/master: 926494943b7d9dbc998adb298a92a708232ce46b
diff --git a/trunk/arch/blackfin/kernel/process.c b/trunk/arch/blackfin/kernel/process.c
@@ -282,25 +282,19 @@ void finish_atomic_sections (struct pt_regs *regs)
 {
 	int __user *up0 = (int __user *)regs->p0;
 
-	if (regs->pc < ATOMIC_SEQS_START || regs->pc >= ATOMIC_SEQS_END)
-		return;
-
 	switch (regs->pc) {
 	case ATOMIC_XCHG32 + 2:
 		put_user(regs->r1, up0);
-		regs->pc += 2;
+		regs->pc = ATOMIC_XCHG32 + 4;
 		break;
 
 	case ATOMIC_CAS32 + 2:
 	case ATOMIC_CAS32 + 4:
 		if (regs->r0 == regs->r1)
+	case ATOMIC_CAS32 + 6:
 			put_user(regs->r2, up0);
 		regs->pc = ATOMIC_CAS32 + 8;
 		break;
-	case ATOMIC_CAS32 + 6:
-		put_user(regs->r2, up0);
-		regs->pc += 2;
-		break;
 
 	case ATOMIC_ADD32 + 2:
 		regs->r0 = regs->r1 + regs->r0;

diff --git a/trunk/arch/blackfin/mach-common/entry.S b/trunk/arch/blackfin/mach-common/entry.S
@@ -1025,6 +1025,12 @@ ENTRY(_schedule_and_signal_from_int)
 #endif
 	sti r0;
 
+	/* finish the userspace "atomic" functions for it */
+	r1 = FIXED_CODE_END;
+	r2 = [sp + PT_PC];
+	cc = r1 <= r2;
+	if cc jump .Lresume_userspace (bp);
+
 	r0 = sp;
 	sp += -12;
 	call _finish_atomic_sections;