2007-06-09 Ulrich Drepper <drepper@redhat.com>

	* elf/do-lookup.h (do_lookup_x): Read r_nlist before r_list and
	make sure gcc doesn't mess around with this.

2007-06-08  Ulrich Drepper  <drepper@redhat.com>

	* elf/dl-lookup.c (_dl_lookup_symbol_x): Remove use of r_nlist.

2007-06-08  Jakub Jelinek  <jakub@redhat.com>

	* elf/dl-close.c (_dl_close_worker): Remove all to be removed
	libraries from the global scope at once and call THREAD_GSCOPE_WAIT

2007-05-18  Ulrich Drepper  <drepper@redhat.com>

	* elf/dl-close.c (_dl_close_worker): When removing object from
	global scope, wait for all lookups to finish afterwards.
	* elf/dl-open.c (add_to_global): When global scope array must
	grow, allocate a new one and free old array only after all
	lookups finish.
	* elf/dl-runtime.c (_dl_fixup): Protect using global scope.
	(_dl_lookup_symbol_x): Likewise.
	* elf/dl-support.c: Define _dl_wait_lookup_done.
	* sysdeps/generic/ldsodefs.h (struct rtld_global): Add
	_dl_wait_lookup_done.

nptl/
2007-05-28  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/i386/tls.h (THREAD_GSCOPE_RESET_FLAG): Use explicit
	insn suffix.
	(THREAD_GSCOPE_GET_FLAG): Remove.
	* sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Remove.
	* allocatestack.c (__wait_lookup_done): Revert 2007-05-24
	changes.
	* sysdeps/powerpc/tls.h (tcbhead_t): Remove gscope_flag.
	(THREAD_GSCOPE_GET_FLAG): Remove.
	(THREAD_GSCOPE_RESET_FLAG): Use THREAD_SELF->header.gscope_flag
	instead of THREAD_GSCOPE_GET_FLAG.
	(THREAD_GSCOPE_SET_FLAG): Likewise.  Add atomic_write_barrier after
	it.
	* sysdeps/s390/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.
	* sysdeps/sparc/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.
	* sysdeps/sh/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.
	* sysdeps/ia64/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.

2007-05-24  Richard Henderson  <rth@redhat.com>

	* descr.h (struct pthread): Add header.gscope_flag.
	* sysdeps/alpha/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.

2007-05-26  Ulrich Drepper  <drepper@redhat.com>

	* allocatestack.c: Revert last change.
	* init.c: Likewise.
	* sysdeps/i386/tls.h: Likewise.
	* sysdeps/x86_64/tls.h: Likewise.

2007-05-24  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/powerpc/tls.h (tcbhead_t): Add gscope_flag.
	(THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED,
	THREAD_GSCOPE_FLAG_WAIT): Define.
	(THREAD_GSCOPE_GET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_WAIT): Define.
	* sysdeps/i386/tls.h (THREAD_GSCOPE_WAIT): Don't use
	PTR_DEMANGLE.
	(THREAD_GSCOPE_GET_FLAG): Define.
	* sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Define.
	* allocatestack.c (__wait_lookup_done): Use THREAD_GSCOPE_GET_FLAG
	instead of ->header.gscope_flag directly.

2007-05-21  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/pthread/pthread-functions.h (struct pthread_functions):
	Remove ptr_wait_lookup_done again.
	* init.c (pthread_functions): Don't add .ptr_wait_lookup_done here.
	(__pthread_initialize_minimal_internal): Initialize
	_dl_wait_lookup_done pointer in _rtld_global directly.
	* sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init):
	Remove code to code _dl_wait_lookup_done.
	* sysdeps/x86_64/tls.h (THREAD_GSCOPE_WAIT): The pointer is not
	encrypted for now.

2007-05-19  Ulrich Drepper  <drepper@redhat.com>

	* allocatestack.c (__wait_lookup_done): New function.
	* sysdeps/pthread/pthread-functions.h (struct pthread_functions):
	Add ptr_wait_lookup_done.
	* init.c (pthread_functions): Initialize .ptr_wait_lookup_done.
	* pthreadP.h: Declare __wait_lookup_done.
	* sysdeps/i386/tls.h (tcbhead_t): Add gscope_flag.
	Define macros to implement reference handling of global scope.
	* sysdeps/x86_64/tls.h: Likewise.
	* sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init):
	Initialize GL(dl_wait_lookup_done).

1 files changed, 0 insertions, 24 deletions

diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c
index 22e8f01804..79729ced03 100644
--- a/nptl/pthread_create.c
+++ b/nptl/pthread_create.c
@@ -462,30 +462,6 @@ __pthread_create_2_1 (newthread, attr, start_routine, arg)
   pd->flags = ((iattr->flags & ~(ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET))
 	       | (self->flags & (ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET)));
 
-  /* Hack: realloc the main search list on the first pthread_create call
-     to minimize the number of global search scope reallocations.
-     Wastes at most 1KB on 32-bit and 2KB on 64-bit per process
-     which calls pthread_create.  */
-  if (__builtin_expect (self->header.multiple_threads == 0, 0)
-      && GL(dl_ns)[0]._ns_main_searchlist
-      && GL(dl_ns)[0]._ns_main_searchlist->r_nlist < 256
-      && GL(dl_ns)[0]._ns_global_scope_alloc < 256)
-    {
-      struct link_map **new_global = (struct link_map **)
-	realloc (GL(dl_ns)[0]._ns_global_scope_alloc == 0
-		 ? NULL : GL(dl_ns)[0]._ns_main_searchlist->r_list,
-		 256 * sizeof (struct link_map *));
-      if (new_global != NULL)
-	{
-	  if (GL(dl_ns)[0]._ns_global_scope_alloc == 0)
-	    memcpy (new_global, GL(dl_ns)[0]._ns_main_searchlist->r_list,
-		    GL(dl_ns)[0]._ns_main_searchlist->r_nlist
-		    * sizeof (struct link_map *));
-	  GL(dl_ns)[0]._ns_global_scope_alloc = 256;
-	  GL(dl_ns)[0]._ns_main_searchlist->r_list = new_global;
-	}
-    }
-
   /* Initialize the field for the ID of the thread which is waiting
      for us.  This is a self-reference in case the thread is created
      detached.  */