Re: [Intel-gfx] [PATCH] dma-buf: Deny copy-on-writes mmaps

Am 04.10.23 um 01:03 schrieb Andi Shyti: From: Chris Wilson Enforce that an mmap of a dmabuf is always using MAP_SHARED so that all access (both read and writes) using the device memory and not a local copy-on-write page in system memory. As much as I would like to do this I fear that this

Re: [Intel-gfx] [PATCH] dma-buf: Deny copy-on-writes mmaps

Hi Andi, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on linus/master v6.6-rc4 next-20231003] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use

[Intel-gfx] [PATCH] dma-buf: Deny copy-on-writes mmaps

From: Chris Wilson Enforce that an mmap of a dmabuf is always using MAP_SHARED so that all access (both read and writes) using the device memory and not a local copy-on-write page in system memory. Signed-off-by: Chris Wilson Signed-off-by: Andi Shyti --- drivers/dma-buf/dma-buf.c | 15