>-----Original Message----- >From: dri-devel <dri-devel-boun...@lists.freedesktop.org> On Behalf Of >Ruhl, Michael J >Sent: Monday, May 11, 2020 2:13 PM >To: Daniel Vetter <daniel.vet...@ffwll.ch>; LKML <linux- >ker...@vger.kernel.org> >Cc: Intel Graphics Development <intel-...@lists.freedesktop.org>; DRI >Development <dri-devel@lists.freedesktop.org>; linaro-mm- >s...@lists.linaro.org; Vetter, Daniel <daniel.vet...@intel.com>; linux- >me...@vger.kernel.org >Subject: RE: [Intel-gfx] [PATCH 2/3] dma-fence: use default wait function for >mock fences > >>-----Original Message----- >>From: Intel-gfx <intel-gfx-boun...@lists.freedesktop.org> On Behalf Of >>Daniel Vetter >>Sent: Monday, May 11, 2020 5:12 AM >>To: LKML <linux-ker...@vger.kernel.org> >>Cc: Daniel Vetter <daniel.vet...@ffwll.ch>; Intel Graphics Development >><intel-...@lists.freedesktop.org>; DRI Development <dri- >>de...@lists.freedesktop.org>; linaro-mm-...@lists.linaro.org; Vetter, Daniel >><daniel.vet...@intel.com>; Sumit Semwal <sumit.sem...@linaro.org>; >linux- >>me...@vger.kernel.org >>Subject: [Intel-gfx] [PATCH 2/3] dma-fence: use default wait function for >>mock fences >> >>No need to micro-optmize when we're waiting in a mocked object ... > >Makes sense to me.
/sigh. Reading Chris comment, I am no longer sure it make sense... Un-ack? m >Acked-by: Michael J. Ruhl <michael.j.r...@intel.com> > >M > >>Signed-off-by: Daniel Vetter <daniel.vet...@intel.com> >>Cc: Sumit Semwal <sumit.sem...@linaro.org> >>Cc: linux-me...@vger.kernel.org >>Cc: linaro-mm-...@lists.linaro.org >>--- >> drivers/dma-buf/st-dma-fence.c | 41 ---------------------------------- >> 1 file changed, 41 deletions(-) >> >>diff --git a/drivers/dma-buf/st-dma-fence.c b/drivers/dma-buf/st-dma- >>fence.c >>index e593064341c8..8166d2984702 100644 >>--- a/drivers/dma-buf/st-dma-fence.c >>+++ b/drivers/dma-buf/st-dma-fence.c >>@@ -33,50 +33,9 @@ static void mock_fence_release(struct dma_fence *f) >> kmem_cache_free(slab_fences, to_mock_fence(f)); >> } >> >>-struct wait_cb { >>- struct dma_fence_cb cb; >>- struct task_struct *task; >>-}; >>- >>-static void mock_wakeup(struct dma_fence *f, struct dma_fence_cb *cb) >>-{ >>- wake_up_process(container_of(cb, struct wait_cb, cb)->task); >>-} >>- >>-static long mock_wait(struct dma_fence *f, bool intr, long timeout) >>-{ >>- const int state = intr ? TASK_INTERRUPTIBLE : >>TASK_UNINTERRUPTIBLE; >>- struct wait_cb cb = { .task = current }; >>- >>- if (dma_fence_add_callback(f, &cb.cb, mock_wakeup)) >>- return timeout; >>- >>- while (timeout) { >>- set_current_state(state); >>- >>- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &f->flags)) >>- break; >>- >>- if (signal_pending_state(state, current)) >>- break; >>- >>- timeout = schedule_timeout(timeout); >>- } >>- __set_current_state(TASK_RUNNING); >>- >>- if (!dma_fence_remove_callback(f, &cb.cb)) >>- return timeout; >>- >>- if (signal_pending_state(state, current)) >>- return -ERESTARTSYS; >>- >>- return -ETIME; >>-} >>- >> static const struct dma_fence_ops mock_ops = { >> .get_driver_name = mock_name, >> .get_timeline_name = mock_name, >>- .wait = mock_wait, >> .release = mock_fence_release, >> }; >> >>-- >>2.26.2 >> >>_______________________________________________ >>Intel-gfx mailing list >>intel-...@lists.freedesktop.org >>https://lists.freedesktop.org/mailman/listinfo/intel-gfx >_______________________________________________ >dri-devel mailing list >dri-devel@lists.freedesktop.org >https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel