John Stultz 1d317c1ca2 kselftests: dmabuf-heaps: Add extra checking that allocated buffers are zeroed ... Add a check to validate that buffers allocated from the heaps are properly zeroed before being given to userland. It is done by allocating a number of buffers, and filling them with a nonzero pattern, then closing and reallocating more buffers and checking that they are all properly zeroed. This is helpful to validate any cached buffers are zeroed before being given back out. Cc: Shuah Khan <shuah@kernel.org> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Laura Abbott <labbott@kernel.org> Cc: Hridya Valsaraju <hridya@google.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Sandeep Patil <sspatil@google.com> Cc: Daniel Mentz <danielmentz@google.com> Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linux-kselftest@vger.kernel.org Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>		2021-02-08 16:25:53 -07:00
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Makefile	kselftests: dmabuf-heaps: Fix Makefile's inclusion of the kernel's usr/include dir	2021-02-08 16:25:15 -07:00
dmabuf-heap.c	kselftests: dmabuf-heaps: Add extra checking that allocated buffers are zeroed	2021-02-08 16:25:53 -07:00