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(parent: 46ed7a7) | patch
powerpc/book3e: Disable interrupt after preempt_schedule_irq
authorTiejun Chen <tiejun.chen@windriver.com>
Sun, 6 Jan 2013 00:49:34 +0000 (00:49 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 28 Jan 2013 23:18:15 +0000 (10:18 +1100)
commit572177d7c77db1981ba2563e01478126482c43bc
tree89a68e8ee9014606031f98f0222f037eb7510aa1tree | snapshot
parent46ed7a76ae7770cb8ba733ee2b06273397ad8b5bcommit | diff
powerpc/book3e: Disable interrupt after preempt_schedule_irq

In preempt case current arch_local_irq_restore() from
preempt_schedule_irq() may enable hard interrupt but we really
should disable interrupts when we return from the interrupt,
and so that we don't get interrupted after loading SRR0/1.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/entry_64.S diff | blob | history
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