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author | Paul Murphy <murphyp@linux.vnet.ibm.com> | 2015-08-27 09:48:04 -0500 |
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committer | Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> | 2015-10-27 17:27:41 -0200 |
commit | 72f1463df85a522bfd1568e47bd81371522ee358 (patch) | |
tree | a257dcbec150b619574c29326f89ee10d013891f /ChangeLog | |
parent | 76c5ae00284d98f1994434c570bdcde9dbc6b49e (diff) | |
download | glibc-72f1463df85a522bfd1568e47bd81371522ee358.tar.gz glibc-72f1463df85a522bfd1568e47bd81371522ee358.tar.xz glibc-72f1463df85a522bfd1568e47bd81371522ee358.zip |
powerpc: Fix usage of elision transient failure adapt param
The skip_lock_out_of_tbegin_retries adaptive parameter was not being used correctly, nor as described. This prevents a fallback for all users of the lock if a transient abort occurs within the accepted number of retries. [BZ #19174] * sysdeps/powerpc/nptl/elide.h (__elide_lock): Fix usage of .skip_lock_out_of_tbegin_retries. * sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision): Likewise, and respect a value of try_tbegin <= 0.
Diffstat (limited to 'ChangeLog')
-rw-r--r-- | ChangeLog | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index a392a75030..0a70fee964 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2015-10-27 Paul E. Murphy <murphyp@linux.vnet.ibm.com> + + [BZ #19174] + * sysdeps/powerpc/nptl/elide.h (__elide_lock): Fix usage of + .skip_lock_out_of_tbegin_retries. + * sysdeps/unix/sysv/linux/powerpc/elision-lock.c + (__lll_lock_elision): Likewise, and respect a value of + try_tbegin <= 0. + 2015-10-27 Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> * elf/dl-support.c (_dl_aux_init): Added AT_PLATFORM to the case |