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-rw-r--r--arch/alpha/kernel/irq.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index 9006063e7369..da677f829f76 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -151,8 +151,13 @@ handle_irq(int irq, struct pt_regs * regs)
}
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();
}