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| author | Andreas Schwab <schwab@suse.de> | 2016-01-13 16:04:42 +0100 |
|---|---|---|
| committer | Andreas Schwab <schwab@suse.de> | 2016-01-25 16:26:07 +0100 |
| commit | 5aded6f2abbe19bc77e563b7db10aa9dd037a90d (patch) | |
| tree | c0ef8f09db876a88ea8c29e29c6655d1c50f4f7d /ChangeLog | |
| parent | 9200e581e500b6c8ad52733f9c0ac3efc8d4b4b9 (diff) | |
| download | glibc-5aded6f2abbe19bc77e563b7db10aa9dd037a90d.tar.gz glibc-5aded6f2abbe19bc77e563b7db10aa9dd037a90d.tar.xz glibc-5aded6f2abbe19bc77e563b7db10aa9dd037a90d.zip | |
Don't do lock elision on an error checking mutex (bug 17514)
Error checking mutexes are not supposed to be subject to lock elision. That would defeat the error checking nature of the mutex because lock elision doesn't record ownership.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 11915d1079..e648c7e87e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2016-01-25 Andreas Schwab <schwab@suse.de> + + [BZ #17514] + * nptl/pthread_mutex_timedlock.c (pthread_mutex_timedlock) + <case PTHREAD_MUTEX_ERRORCHECK_NP>: Don't do lock elision. + * nptl/Makefile (tests): Add tst-mutex-errorcheck. + * nptl/tst-mutex-errorcheck.c: New file. + 2016-01-25 Paul E. Murphy <murphyp@linux.vnet.ibm.com> [BZ #18560] @@ -24,8 +32,10 @@ 2016-01-24 David S. Miller <davem@davemloft.net> * sysdeps/sparc/sparc32/fpu/e_sqrtl.c: New file. - * sysdeps/sparc/sparc32/soft-fp/q_sqrt.c (__ieee754_sqrtl): Remove alias. - * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add __sqrtl_finite. + * sysdeps/sparc/sparc32/soft-fp/q_sqrt.c (__ieee754_sqrtl): Remove + alias. + * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add + __sqrtl_finite. * sysdeps/sparc/fpu/libm-test-ulps: Update. |