diff options
| author | peterz@infradead.org <peterz@infradead.org> | 2023-09-21 13:45:08 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-09-21 20:22:05 +0300 |
| commit | 5694289ce183bc3336407a78c8c722a0b9208f9b (patch) | |
| tree | 120c032a905fab3131cd305ce290f01c342cdb85 /kernel/futex/waitwake.c | |
| parent | d6d08d24790e82c69a46ef78ae44fe1b1ed30775 (diff) | |
| download | linux-5694289ce183bc3336407a78c8c722a0b9208f9b.tar.xz | |
futex: Flag conversion
Futex has 3 sets of flags:
- legacy futex op bits
- futex2 flags
- internal flags
Add a few helpers to convert from the API flags into the internal
flags.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Link: https://lore.kernel.org/r/20230921105247.722140574@noisy.programming.kicks-ass.net
Diffstat (limited to 'kernel/futex/waitwake.c')
| -rw-r--r-- | kernel/futex/waitwake.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/futex/waitwake.c b/kernel/futex/waitwake.c index ba01b9408203..fa9757766103 100644 --- a/kernel/futex/waitwake.c +++ b/kernel/futex/waitwake.c @@ -419,11 +419,11 @@ static int futex_wait_multiple_setup(struct futex_vector *vs, int count, int *wo */ retry: for (i = 0; i < count; i++) { - if ((vs[i].w.flags & FUTEX_PRIVATE_FLAG) && retry) + if (!(vs[i].w.flags & FLAGS_SHARED) && retry) continue; ret = get_futex_key(u64_to_user_ptr(vs[i].w.uaddr), - !(vs[i].w.flags & FUTEX_PRIVATE_FLAG), + vs[i].w.flags & FLAGS_SHARED, &vs[i].q.key, FUTEX_READ); if (unlikely(ret)) |