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author | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-03-11 11:34:26 +0100 |
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committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-04-02 20:15:02 +0200 |
commit | 2de0db992de189fccc83fed57c30875144821491 (patch) | |
tree | 138ea29f99e5e5ebb4c304da1961cdf0731a8b36 /arch/x86/ia32 | |
parent | 6b27aef09fea32b805a8c81287b1bb80362dadb0 (diff) | |
download | op-kernel-dev-2de0db992de189fccc83fed57c30875144821491.zip op-kernel-dev-2de0db992de189fccc83fed57c30875144821491.tar.gz |
mm: use do_futex() instead of sys_futex() in mm_release()
sys_futex() is a wrapper to do_futex() which does not modify any
values here:
- uaddr, val and val3 are kept the same
- op is masked with FUTEX_CMD_MASK, but is always set to FUTEX_WAKE.
Therefore, val2 is always 0.
- as utime is set to NULL, *timeout is NULL
This patch is part of a series which removes in-kernel calls to syscalls.
On this basis, the syscall entry path can be streamlined. For details, see
http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'arch/x86/ia32')
0 files changed, 0 insertions, 0 deletions