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(parent: 578b7cd) | patch
powerpc: Disable interrupts for data breakpoint exceptions
authorK.Prasad <prasad@linux.vnet.ibm.com>
Mon, 29 Mar 2010 23:59:25 +0000 (23:59 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 7 Apr 2010 04:44:38 +0000 (14:44 +1000)
commit9c7cc234dc5edf5379fbbab4973f6704f59bc57b
tree6129dffa0ffc36da27718059c9b2ff40b74aa16btree | snapshot (tar.gz zip)
parent578b7cd1518f8d1b17a7fb1671d3d756c9cb49f1commit | diff
powerpc: Disable interrupts for data breakpoint exceptions

Data address breakpoint exceptions are currently handled along with page-faults
which require interrupts to remain in enabled state. Since exception handling
for data breakpoints aren't pre-empt safe, we handle them separately.

Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/exceptions-64s.S diff | blob | blame | history
arch/powerpc/mm/fault.c diff | blob | blame | history