Messages in this thread | | | From | Sumit Semwal <> | Date | Thu, 22 Mar 2012 11:33:01 +0530 | Subject | Re: [Linaro-mm-sig] [PATCH 1/4] dma-buf: don't hold the mutex around map/unmap calls |
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On 19 March 2012 05:04, Daniel Vetter <daniel.vetter@ffwll.ch> wrote: > The mutex protects the attachment list and hence needs to be held > around the callbakc to the exporters (optional) attach/detach > functions. > > Holding the mutex around the map/unmap calls doesn't protect any > dma_buf state. Exporters need to properly protect any of their own > state anyway (to protect against calls from their own interfaces). > So this only makes the locking messier (and lockdep easier to anger). > > Therefore let's just drop this. > > v2: Rebased on top of latest dma-buf-next git. > > Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> > Reviewed-by: Rob Clark <rob.clark@linaro.org> Thanks; Applied to for-next. > --- <snip> BR, ~Sumit.
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