linux

iv/linux

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Alexander Duyck 4bfa135abe arch/xtensa: add option to skip DMA sync as a part of mapping

This change allows us to pass DMA_ATTR_SKIP_CPU_SYNC which allows us to
avoid invoking cache line invalidation if the driver will just handle it
via a sync_for_cpu or sync_for_device call.

Link: http://lkml.kernel.org/r/20161110113555.76501.52536.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2016-12-14 16:04:08 -08:00

boot

xtensa: rearrange CCOUNT calibration

2016-09-20 18:52:59 -07:00

configs

xtensa: add default memmap and mmio32native options to defconfigs

2016-09-20 20:43:24 -07:00

include

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-12-12 10:48:02 -08:00

kernel

arch/xtensa: add option to skip DMA sync as a part of mapping