Blackfin arch: fixing bug - under IRQ stress, running applications may wrongly trigger an ICPLB miss and be killed

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Disable IRQs while frobbing the CPLB registers, to avoid accessing the
data in current_rwx_mask while it isn't covered by CPLBs.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

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Bernd Schmidt 2008-10-07 16:27:01 +08:00 • committed by Bryan Wu

parent 0c7a6b2135

commit 5d2e321306

1 changed files with 12 additions and 2 deletions

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arch/blackfin/kernel/cplb-mpu/cplbmgr.c

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