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![]() Userspace is the one in charge of flush CPU by wrapping mmap with begin{,end}_cpu_access. v2: Remove LLC check cause we have dma-buf sync providers now. Also, fix return before transferring ownership when mmap fails. v3: Fix return values. v4: !obj->base.filp is user triggerable, so removed the WARN_ON. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com> Reviewed-by: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1450820214-12509-6-git-send-email-tiago.vignatti@intel.com |
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