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Userspace clients will be able to restrict cache maintenance to only
the subset of the dma-buf which is mmap(ed) by setting the
DMA_BUF_SYNC_USER_MAPPED flag when calling the DMA_BUF_IOCTL_SYNC IOCT.
Signed-off-by: Swathi Sridhar <swatsrid@codeaurora.org>
Bug: 150611569
Test: build
(cherry-picked from bbbc80b6d8b75ffea6a0eb1f53ab503ccf0011f1)
[surenb: partial cherry-pick from
bbbc80b6d8b7 ion : Merge ion changes from ...
to resolve ABI diffs caused by {begin/end}_cpu_access_umapped
dma_buf_ops.
changed dma_buf_end_cpu_access_umapped to be static.]
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: Ic2029c5218ca99330a0e7e6128e12ac29cdd1c08
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| .. | ||
| asm-generic | ||
| drm | ||
| linux | ||
| misc | ||
| mtd | ||
| rdma | ||
| scsi | ||
| sound | ||
| video | ||
| xen | ||