Max Filippov ca47480921 xtensa: fix futex_atomic_cmpxchg_inatomic ... Return 0 if the operation was successful, not the userspace memory value. Check that userspace value equals passed oldval, not itself. Don't update *uval if the value wasn't read from userspace memory. This fixes process hang due to infinite loop in futex_lock_pi. It also fixes a bunch of glibc tests nptl/tst-mutexpi*. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>		2018-01-05 15:55:59 -08:00
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asm	xtensa: fix futex_atomic_cmpxchg_inatomic	2018-01-05 15:55:59 -08:00
uapi/asm	License cleanup: add SPDX license identifier to uapi header files with a license	2017-11-02 11:20:11 +01:00