Chirantan Ekbote 6576091e56 devices: fs: Only resample interrupts on one thread ... Having more than one thread watch the interrupt resample event meant that the threads would race to acknowledge the event: if thread B called epoll_wait after thread A got a readable event for the resample eventfd but before thread A called `read()` on the eventfd, then thread B would also get a readable event for that eventfd. Both threads would then attempt to acknowledge the event but only one would succeed. This would leave the other thread blocked on the `read()` call until the resample event became readable again. Fix this by having only one worker watch the resample event. BUG=b:136128319 TEST=`tast run vm.Virtiofs` on kevin Change-Id: I5cd781a9c79ac718207a944433ea20a967735237 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1923568 Tested-by: Chirantan Ekbote <chirantan@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Chirantan Ekbote <chirantan@chromium.org> Reviewed-by: Stephen Barber <smbarber@chromium.org> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>		2019-11-22 05:54:03 +00:00
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src	devices: fs: Only resample interrupts on one thread	2019-11-22 05:54:03 +00:00
Cargo.toml	devices: fs: Implement virtio-fs server	2019-10-27 14:26:01 +00:00