Searched hist:"511 deae0261c839461948f2d4d1c13b8c8a59cd8" (Results 1 – 2 of 2) sorted by relevance
| /linux/drivers/dma/ioat/ |
| H A D | registers.h | diff 511deae0261c839461948f2d4d1c13b8c8a59cd8 Wed May 11 23:32:49 CEST 2016 Dave Jiang <dave.jiang@intel.com> dmaengine: ioatdma: disable relaxed ordering for ioatdma
ioatdma by default is in snoop mode. Relaxed ordering according to spec
does not do anything in snoop mode. However, it causes hang or significant
performance degrade when tested with NTB. Disabling in the driver due to
some BIOS do not configure it correctly.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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| H A D | init.c | diff 511deae0261c839461948f2d4d1c13b8c8a59cd8 Wed May 11 23:32:49 CEST 2016 Dave Jiang <dave.jiang@intel.com> dmaengine: ioatdma: disable relaxed ordering for ioatdma
ioatdma by default is in snoop mode. Relaxed ordering according to spec
does not do anything in snoop mode. However, it causes hang or significant
performance degrade when tested with NTB. Disabling in the driver due to
some BIOS do not configure it correctly.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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