--- - branch: MAIN date: Sun Dec 19 01:50:40 UTC 2021 files: - new: '1.8' old: '1.7' path: src/sys/external/bsd/drm2/linux/linux_dma_fence.c pathrev: src/sys/external/bsd/drm2/linux/linux_dma_fence.c@1.8 type: modified id: 20211219T015040Z.a1f2617841d785a63ec1abe3e7e8fb4b90a94e89 log: | Issue __insn_barrier in dma_fence_get_rcu. This way it is safe to use as dma_fence_get_rcu(*p) when concurrent writes to *p might be happening, so that we load *p only once before using the value. module: src subject: 'CVS commit: src/sys/external/bsd/drm2/linux' unixtime: '1639878640' user: riastradh