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| author | Uros Bizjak <ubizjak@gmail.com> | 2025-08-11 15:23:03 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-08-25 14:09:25 +0200 |
| commit | ec6f613ef376410753173f8236bad5f07a86503a (patch) | |
| tree | e387f1eecaa1d97ace96f25ef003267b05dfc4f3 /scripts/gdb/linux/mm.py | |
| parent | 14498ca7e0f18cd73ab0010cbfbf9413a9f0a96f (diff) | |
fs: Use try_cmpxchg() in sb_init_done_wq()
Use !try_cmpxchg() instead of cmpxchg(*ptr, old, new) != old.
The x86 CMPXCHG instruction returns success in the ZF flag,
so this change saves a compare after CMPXCHG.
No functional change intended.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Link: https://lore.kernel.org/20250811132326.620521-1-ubizjak@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'scripts/gdb/linux/mm.py')
0 files changed, 0 insertions, 0 deletions