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itimers: Move compat itimer syscalls to native ones

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get rid of set_fs(), sanitize compat copyin/copyout.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170607084241.28657-12-viro@ZenIV.linux.org.uk
This commit is contained in:
Al Viro
2017-06-07 09:42:37 +01:00
committed by Thomas Gleixner
parent b0dc12426e
commit 54ad9c46c2
4 changed files with 62 additions and 55 deletions
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2
kernel/time/posix-stubs.c
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@@ -44,6 +44,8 @@ SYS_NI(alarm);
COMPAT_SYS_NI(clock_adjtime);
COMPAT_SYS_NI(timer_settime);
COMPAT_SYS_NI(timer_gettime);
COMPAT_SYS_NI(getitimer);
COMPAT_SYS_NI(setitimer);
/*
* We preserve minimal support for CLOCK_REALTIME and CLOCK_MONOTONIC