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Fence contexts are created on the fly (for example) by the GPU scheduler used in the amdgpu driver as a result of an userspace request. Because of this userspace could in theory force a wrap around of the 32bit context number if it doesn't behave well. Avoid this by increasing the context number to 64bits. This way even when userspace manages to allocate a billion contexts per second it takes more than 500 years for the context number to wrap around. v2: fix printf formats as well. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1464786612-5010-2-git-send-email-deathsimple@vodafone.de |
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.. | ||
Kconfig | ||
Makefile | ||
qxl_cmd.c | ||
qxl_debugfs.c | ||
qxl_dev.h | ||
qxl_display.c | ||
qxl_draw.c | ||
qxl_drv.c | ||
qxl_drv.h | ||
qxl_dumb.c | ||
qxl_fb.c | ||
qxl_gem.c | ||
qxl_image.c | ||
qxl_ioctl.c | ||
qxl_irq.c | ||
qxl_kms.c | ||
qxl_object.c | ||
qxl_object.h | ||
qxl_prime.c | ||
qxl_release.c | ||
qxl_ttm.c |