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Remove --enable-tunables configure option

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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>
This commit is contained in:
Adhemerval Zanella Netto
2023-03-23 10:13:51 -03:00
committed by Adhemerval Zanella
parent 6384171fa0
commit 33237fe83d
48 changed files with 75 additions and 513 deletions
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8
malloc/malloc-check.c
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@ -376,7 +376,6 @@ memalign_check (size_t alignment, size_t bytes)
return mem2mem_check (tag_new_usable (mem), bytes);
}
#if HAVE_TUNABLES
static void
TUNABLE_CALLBACK (set_mallopt_check) (tunable_val_t *valp)
{
@ -384,7 +383,6 @@ TUNABLE_CALLBACK (set_mallopt_check) (tunable_val_t *valp)
if (value != 0)
__malloc_debug_enable (MALLOC_CHECK_HOOK);
}
#endif
static bool
initialize_malloc_check (void)
@ -392,12 +390,6 @@ initialize_malloc_check (void)
/* This is the copy of the malloc initializer that we pulled in along with
malloc-check. This does not affect any of the libc malloc structures. */
ptmalloc_init ();
#if HAVE_TUNABLES
TUNABLE_GET (check, int32_t, TUNABLE_CALLBACK (set_mallopt_check));
#else
const char *s = secure_getenv ("MALLOC_CHECK_");
if (s && s[0] != '\0' && s[0] != '0')
__malloc_debug_enable (MALLOC_CHECK_HOOK);
#endif
return __is_malloc_debug_enabled (MALLOC_CHECK_HOOK);
}