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[PATCH] alpha: fix IRQ handling lockup

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Fix a lockup which was introduced during the conversion to the generic IRQ
framework.

Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ivan Kokshaysky 2006-03-09 17:33:37 -08:00 committed by Linus Torvalds
parent 10ad1b7363
commit eff2c2f6f5
1 changed files with 6 additions and 1 deletions
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7
arch/alpha/kernel/irq.c
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@ -151,8 +151,13 @@ handle_irq(int irq, struct pt_regs * regs)
} }
irq_enter(); 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(); local_irq_disable();
__do_IRQ(irq, regs); __do_IRQ(irq, regs);
local_irq_enable();
irq_exit(); irq_exit();
} }