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-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c b/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c
deleted file mode 100644
index 69c04836ed..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* Lock elision tunable parameters.
- Copyright (C) 2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-#include <pthreadP.h>
-#include <elision-conf.h>
-#include <unistd.h>
-#include <dl-procinfo.h>
-
-/* Reasonable initial tuning values, may be revised in the future.
- This is a conservative initial value. */
-
-struct elision_config __elision_aconf =
- {
- /* How often to not attempt to use elision if a transaction aborted
- because the lock is already acquired. Expressed in number of lock
- acquisition attempts. */
- .skip_lock_busy = 3,
- /* How often to not attempt to use elision if a transaction aborted due
- to reasons other than other threads' memory accesses. Expressed in
- number of lock acquisition attempts. */
- .skip_lock_internal_abort = 3,
- /* How often to not attempt to use elision if a lock used up all retries
- without success. Expressed in number of lock acquisition attempts. */
- .skip_lock_out_of_tbegin_retries = 3,
- /* How often we try using elision if there is chance for the transaction
- to finish execution (e.g., it wasn't aborted due to the lock being
- already acquired. */
- .try_tbegin = 3,
- /* Same as SKIP_LOCK_INTERNAL_ABORT but for trylock. */
- .skip_trylock_internal_abort = 3,
- };
-
-/* Force elision for all new locks. This is used to decide whether existing
- DEFAULT locks should be automatically upgraded to elision in
- pthread_mutex_lock(). Disabled for suid programs. Only used when elision
- is available. */
-
-int __pthread_force_elision attribute_hidden = 0;
-
-/* Initialize elison. */
-
-static void
-elision_init (int argc __attribute__ ((unused)),
- char **argv __attribute__ ((unused)),
- char **environ)
-{
- /* Set when the CPU and the kernel supports transactional execution.
- When false elision is never attempted. */
- int elision_available = (GLRO (dl_hwcap) & HWCAP_S390_TE) ? 1 : 0;
-
- __pthread_force_elision = __libc_enable_secure ? 0 : elision_available;
-}
-
-#ifdef SHARED
-# define INIT_SECTION ".init_array"
-# define MAYBE_CONST
-#else
-# define INIT_SECTION ".preinit_array"
-# define MAYBE_CONST const
-#endif
-
-void (*MAYBE_CONST __pthread_init_array []) (int, char **, char **)
- __attribute__ ((section (INIT_SECTION), aligned (sizeof (void *)))) =
-{
- &elision_init
-};