diff options
| author |   Mateusz Guzik <mjguzik@gmail.com> | 2025-02-06 17:44:10 +0100 |
|---|---|---|
| committer |   Christian Brauner <brauner@kernel.org> | 2025-02-07 11:22:43 +0100 |
| commit | 1ab2785694971257f6a7dbd5a71bd8402b5fc305 (patch) | |
| tree | 29bac9b3584e866b1af9241af4ac5e93fb20c2ae /scripts/generate_rust_analyzer.py | |
| parent | Merge patch series "exit: change the release_task() paths to call flush_sigqueue() lockless" (diff) | |
| download | wireguard-linux-1ab2785694971257f6a7dbd5a71bd8402b5fc305.tar.xz wireguard-linux-1ab2785694971257f6a7dbd5a71bd8402b5fc305.zip | |
exit: perform add_device_randomness() without tasklist_lock
Parallel calls to add_device_randomness() contend on their own.
The clone side aleady runs outside of tasklist_lock, which in turn means
any caller on the exit side extends the tasklist_lock hold time while
contending on the random-private lock.
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250206164415.450051-2-mjguzik@gmail.com
Acked-by: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'scripts/generate_rust_analyzer.py')
0 files changed, 0 insertions, 0 deletions