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| author | Dan Carpenter <[email protected]> | 2020-11-06 08:52:05 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2020-11-09 13:30:30 +0000 |
| commit | 1e106aa3509b86738769775969822ffc1ec21bf4 (patch) | |
| tree | 8e8a975a56017ec49c9a8190a5a4f5cd7ef64431 /scripts/gcc-plugins/gcc-common.h | |
| parent | Linux 5.10-rc3 (diff) | |
| download | kernel-1e106aa3509b86738769775969822ffc1ec21bf4.tar.gz kernel-1e106aa3509b86738769775969822ffc1ec21bf4.zip | |
futex: Don't enable IRQs unconditionally in put_pi_state()
The exit_pi_state_list() function calls put_pi_state() with IRQs disabled
and is not expecting that IRQs will be enabled inside the function.
Use the _irqsave() variant so that IRQs are restored to the original state
instead of being enabled unconditionally.
Fixes: 153fbd1226fb ("futex: Fix more put_pi_state() vs. exit_pi_state_list() races")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/20201106085205.GA1159983@mwanda
Diffstat (limited to 'scripts/gcc-plugins/gcc-common.h')
0 files changed, 0 insertions, 0 deletions