Messages in this thread | | | Date | Tue, 31 May 2022 11:51:42 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH] dma-fence: allow dma fence to have their own lock |
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On (22/05/30 16:55), Christian König wrote: > Am 30.05.22 um 16:22 schrieb Sergey Senozhatsky: > > [SNIP] > > So the `lock` should have at least same lifespan as the DMA fence > > that borrows it, which is impossible to guarantee in our case. > > Nope, that's not correct. The lock should have at least same lifespan as the > context of the DMA fence.
How does one know when it's safe to release the context? DMA fence objects are still transparently refcount-ed and "live their own lives", how does one synchronize lifespans?
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