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authorAnton Blanchard <anton@samba.org>2012-06-03 19:42:13 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-03 14:14:46 +1000
commitc1703e85a7b20ffcefd5360e2542460737ecc15c (patch)
treea2aa1cb255beab5b00336121b2aeb9adefc24180 /arch/powerpc/kernel
parentb3f271e86e5a440713716bb222e1aa1227994c50 (diff)
powerpc/pseries: Disable interrupts around IOMMU percpu data accesses
tce_buildmulti_pSeriesLP uses a per cpu page to communicate with the hypervisor. We currently rely on the IOMMU table spinlock but subsequent patches will be removing that so disable interrupts around all accesses of tce_page. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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