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| author | Shay Drory <shayd@nvidia.com> | 2021-01-25 14:13:39 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-01-28 15:27:09 -0400 |
| commit | def4cd43f522253645b72c97181399c241b54536 (patch) | |
| tree | 017535dd7ced403363feaaef4200233e987c6c49 /tools/perf/scripts/python/flamegraph.py | |
| parent | IB/umad: Return EIO in case of when device disassociated (diff) | |
| download | linux-def4cd43f522253645b72c97181399c241b54536.tar.gz linux-def4cd43f522253645b72c97181399c241b54536.zip | |
IB/umad: Return EPOLLERR in case of when device disassociated
Currently, polling a umad device will always works, even if the device was
disassociated. A disassociated device should immediately return EPOLLERR
from poll(). Otherwise userspace is endlessly hung on poll() with no idea
that the device has been removed from the system.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Link: https://lore.kernel.org/r/20210125121339.837518-3-leon@kernel.org
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions