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authorAdhemerval Zanella Netto <adhemerval.zanella@linaro.org>2023-03-23 10:13:51 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2023-03-29 14:33:06 -0300
commit33237fe83d553dff111915024c9670adc3f06048 (patch)
tree610ddd2195dca3c3901cfcc74f76e4ab6eb6c0e7 /sysdeps/unix/sysv/linux/powerpc/elision-conf.c
parent6384171fa0cef59b738ce8d0499fcea4f5009411 (diff)
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Remove --enable-tunables configure option
And make always supported.  The configure option was added on glibc 2.25
and some features require it (such as hwcap mask, huge pages support, and
lock elisition tuning).  It also simplifies the build permutations.

Changes from v1:
 * Remove glibc.rtld.dynamic_sort changes, it is orthogonal and needs
   more discussion.
 * Cleanup more code.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/elision-conf.c')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/elision-conf.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/elision-conf.c b/sysdeps/unix/sysv/linux/powerpc/elision-conf.c
index 8cd945a6c5..7c98dbd0d0 100644
--- a/sysdeps/unix/sysv/linux/powerpc/elision-conf.c
+++ b/sysdeps/unix/sysv/linux/powerpc/elision-conf.c
@@ -22,9 +22,7 @@
 #include <unistd.h>
 #include <dl-procinfo.h>
 
-#if HAVE_TUNABLES
-# define TUNABLE_NAMESPACE elision
-#endif
+#define TUNABLE_NAMESPACE elision
 #include <elf/dl-tunables.h>
 
 /* Reasonable initial tuning values, may be revised in the future.
@@ -51,7 +49,6 @@ struct elision_config __elision_aconf =
     .skip_trylock_internal_abort = 3,
   };
 
-#if HAVE_TUNABLES
 static inline void
 __always_inline
 do_set_elision_enable (int32_t elision_enable)
@@ -94,14 +91,12 @@ TUNABLE_CALLBACK_FNDECL (skip_lock_internal_abort, int32_t);
 TUNABLE_CALLBACK_FNDECL (skip_lock_out_of_tbegin_retries, int32_t);
 TUNABLE_CALLBACK_FNDECL (try_tbegin, int32_t);
 TUNABLE_CALLBACK_FNDECL (skip_trylock_internal_abort, int32_t);
-#endif
 
 /* Initialize elision.  */
 
 void
 __lll_elision_init (void)
 {
-#if HAVE_TUNABLES
   /* Elision depends on tunables and must be explicitly turned on by setting
      the appropriate tunable on a supported platform.  */
 
@@ -117,7 +112,6 @@ __lll_elision_init (void)
 	       TUNABLE_CALLBACK (set_elision_try_tbegin));
   TUNABLE_GET (skip_trylock_internal_abort, int32_t,
 	       TUNABLE_CALLBACK (set_elision_skip_trylock_internal_abort));
-#endif
 
   /* Linux from 3.9 through 4.2 do not abort HTM transaction on syscalls,
      instead it suspends the transaction and resumes it when returning to