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DateThu, 9 Mar 2006 00:51:01 +0300
FromIvan Kokshaysky <>
SubjectRe: Problem on Alpha with "convert to generic irq framework"
On Wed, Mar 08, 2006 at 09:56:52AM -0800, Richard Henderson wrote:
> This will need commenting if it's to go in.

Agreed. What about this?

Ivan.

--- 2.6.16-rc5/arch/alpha/kernel/irq.c	Mon Mar  6 11:57:58 2006
+++ linux/arch/alpha/kernel/irq.c	Thu Mar  9 00:38:53 2006
@@ -151,8 +151,13 @@ handle_irq(int irq, struct pt_regs * reg
 	}
 
 	irq_enter();
+	/*
+	 * __do_IRQ() must be called with IPL_MAX. Note that we do not
+	 * explicitly enable interrupts afterwards - some MILO PALcode
+	 * (namely LX164 one) seems to have severe problems with RTI
+	 * at IPL 0.
+	 */
 	local_irq_disable();
 	__do_IRQ(irq, regs);
-	local_irq_enable();
 	irq_exit();
 }
-
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