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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-05-08 13:31:59 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-05-09 09:42:21 +1000
commit56dfa7fa19e36db352a94be022243ed461710119 (patch)
tree37ea957522aa18a2d3f4fb62629e9e4ca0e7f38c /arch/powerpc/kernel/traps.c
parent810b4de25e53459323ff48957b0162b48d6cbd57 (diff)
downloadlinux-56dfa7fa19e36db352a94be022243ed461710119.tar.bz2
powerpc/irq: Fix bug with new lazy IRQ handling code
We had a case where we could turn on hard interrupts while leaving the PACA_IRQ_HARD_DIS bit set in the PACA. This can in turn cause a BUG_ON() to hit in __check_irq_replay() due to interrupt state getting out of sync. The assembly code was also way too convoluted. Instead, we now leave it to the C code to do the right thing which ends up being smaller and more readable. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
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