commit | f075faa300acc4f6301e348acde0a4580ed5f77c | [log] [tgz] |
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author | Davidlohr Bueso <[email protected]> | Thu Jul 26 16:37:19 2018 -0700 |
committer | Linus Torvalds <[email protected]> | Thu Jul 26 19:38:03 2018 -0700 |
tree | f2463b201b1785fd6af3cdd52bcf932267a85e92 | |
parent | 15d36fecd0bdc7510b70a0e5ec6671140b3fce0c [diff] |
ipc/sem.c: prevent queue.status tearing in semop In order for load/store tearing prevention to work, _all_ accesses to the variable in question need to be done around READ and WRITE_ONCE() macros. Ensure everyone does so for q->status variable for semtimedop(). Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Davidlohr Bueso <[email protected]> Cc: Manfred Spraul <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>