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Remove remains of rwlock elision which is not implemented yet. 

Signed-off-by: Carlos O'Donell <carlos@redhat.com>

---

nptl/
2013-07-19  Dominik Vogt  <vogt@de.ibm.com>

	* sysdeps/unix/sysv/linux/x86/elision-conf.c:
	Remove __rwlock_rtm_enabled and __rwlock_rtm_read_retries.
	(elision_init): Don't set __rwlock_rtm_enabled.
	* sysdeps/unix/sysv/linux/x86/elision-conf.h:
	Remove __rwlock_rtm_enabled.
This commit is contained in:
Dominik Vogt 2013-07-19 05:02:44 +00:00 committed by Carlos O'Donell
parent d7e06450b9
commit d3d3ce982a
3 changed files with 8 additions and 11 deletions
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8
nptl/ChangeLog
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@ -1,3 +1,11 @@
2013-07-19 Dominik Vogt <vogt@de.ibm.com>
* sysdeps/unix/sysv/linux/x86/elision-conf.c:
Remove __rwlock_rtm_enabled and __rwlock_rtm_read_retries.
(elision_init): Don't set __rwlock_rtm_enabled.
* sysdeps/unix/sysv/linux/x86/elision-conf.h:
Remove __rwlock_rtm_enabled.
2013-07-03 H.J. Lu <hongjiu.lu@intel.com> 2013-07-03 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/unix/sysv/linux/x86/init-arch.c: New file. * sysdeps/unix/sysv/linux/x86/init-arch.c: New file.

10
nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c
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@ -43,15 +43,6 @@ struct elision_config __elision_aconf =
.skip_trylock_internal_abort = 3, .skip_trylock_internal_abort = 3,
}; };
/* Elided rwlock toggle, set when elision is available and is
enabled for rwlocks. */
int __rwlock_rtm_enabled attribute_hidden;
/* Retries for elided rwlocks on read. Conservative initial value. */
int __rwlock_rtm_read_retries attribute_hidden = 3;
/* Set when the CPU supports elision. When false elision is never attempted. */ /* Set when the CPU supports elision. When false elision is never attempted. */
int __elision_available attribute_hidden; int __elision_available attribute_hidden;
@ -73,7 +64,6 @@ elision_init (int argc __attribute__ ((unused)),
__elision_available = HAS_RTM; __elision_available = HAS_RTM;
#ifdef ENABLE_LOCK_ELISION #ifdef ENABLE_LOCK_ELISION
__pthread_force_elision = __libc_enable_secure ? 0 : __elision_available; __pthread_force_elision = __libc_enable_secure ? 0 : __elision_available;
__rwlock_rtm_enabled = __libc_enable_secure ? 0 : __elision_available;
#endif #endif
} }

1
nptl/sysdeps/unix/sysv/linux/x86/elision-conf.h
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@ -34,7 +34,6 @@ struct elision_config
extern struct elision_config __elision_aconf attribute_hidden; extern struct elision_config __elision_aconf attribute_hidden;
extern int __rwlock_rtm_enabled attribute_hidden;
extern int __elision_available attribute_hidden; extern int __elision_available attribute_hidden;
extern int __pthread_force_elision attribute_hidden; extern int __pthread_force_elision attribute_hidden;