---

yaml --- r: 298842 b: refs/heads/master c: b230ff2 h: refs/heads/master v: v3
git-mirror · Apr 2, 2012 · 786cfa6 · 786cfa6
1 parent 4a37da6
commit 786cfa6
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 12400f1f22ad7651efa1d3d06dd8b6b178d19ea3
+refs/heads/master: b230ff2d5c53bb79e1121554cd3c827e5c1b70fd
diff --git a/trunk/arch/tile/mm/fault.c b/trunk/arch/tile/mm/fault.c
@@ -342,9 +342,12 @@ static int handle_page_fault(struct pt_regs *regs,
 	/*
 	 * If we're trying to touch user-space addresses, we must
 	 * be either at PL0, or else with interrupts enabled in the
-	 * kernel, so either way we can re-enable interrupts here.
+	 * kernel, so either way we can re-enable interrupts here
+	 * unless we are doing atomic access to user space with
+	 * interrupts disabled.
 	 */
-	local_irq_enable();
+	if (!(regs->flags & PT_FLAGS_DISABLE_IRQ))
+		local_irq_enable();
 
 	mm = tsk->mm;