* sysdeps/x86_64/Makefile [nptl]: Define CFLAGS-pthread_create.c.
2004-11-24 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/x86_64/Makefile [nptl]: Define CFLAGS-pthread_create.c.
+
* Makefile (libpthread-routines): Add pthread_setschedprio.
* Versions [libpthread, GLIBC_2.3.4]: Add pthread_setschedprio.
* sysdeps/pthread/pthread.h: Declare pthread_setschedprio.
pd = get_cached_stack (&size, &mem);
if (pd == NULL)
{
- /* To avoid aliasing effects on a larger scale then pages we
+ /* To avoid aliasing effects on a larger scale than pages we
adjust the allocated stack size if necessary. This way
allocations directly following each other will not have
aliasing problems. */
-# Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004 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
ifeq ($(subdir),csu)
gen-as-const-headers += tcb-offsets.sym
endif
+
+ifeq ($(subdir),nptl)
+# P4s have problems with 4M aliasing. We disturb the allocation of stacks
+# just enough so the subsequent allocations do not use stack address
+# (mod 4M) == 0.
+CFLAGS-pthread_create.c += -DMULTI_PAGE_ALIASING=65536
+endif