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(parent: e22dde9) | patch
ioat3: dca and raid operations are incompatible
authorDan Williams <dan.j.williams@intel.com>
Fri, 20 Nov 2009 00:07:10 +0000 (17:07 -0700)
committerDan Williams <dan.j.williams@intel.com>
Fri, 20 Nov 2009 00:07:10 +0000 (17:07 -0700)
commit228c4f5cfbf1cda411d9aa7204a612a63c89b1e8
tree0920f900732ce598fef2cdc0c4899860534e837dtree | snapshot
parente22dde9904c2d26a522f1a2b89854a8238bf0933commit | diff
ioat3: dca and raid operations are incompatible

RAID operations cause a system hang on platforms with DCA
(Direct-Cache-Access) enabled.  So turn off RAID capabilities in this
case.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/dma/ioat/dca.c diff | blob | history
drivers/dma/ioat/dma_v3.c diff | blob | history
drivers/dma/ioat/hw.h diff | blob | history
Domain: System / Kernel;