diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-02-01 15:12:12 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-03 23:16:16 +0100 |
| commit | 26f05b30e97d3bc30a20b52719d726f062539807 (patch) | |
| tree | 88166ba1811e68b2f239319d4c9acda5348fd6e7 /net/lapb/lapb_out.c | |
| parent | 39947bfd796393ab623ecb3374d6507d398a0113 (diff) | |
futex: Add mutex around futex exit
commit 3f186d974826847a07bc7964d79ec4eded475ad9 upstream.
The mutex will be used in subsequent changes to replace the busy looping of
a waiter when the futex owner is currently executing the exit cleanup to
prevent a potential live lock.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20191106224556.845798895@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/lapb/lapb_out.c')
0 files changed, 0 insertions, 0 deletions