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-rw-r--r--ChangeLog5
-rw-r--r--io/sys/stat.h2
-rw-r--r--nptl/ChangeLog7
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c14
-rw-r--r--sysdeps/unix/sysv/linux/sched_setaffinity.c12
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c14
7 files changed, 58 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 3e8edaa..68b1af1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2007-05-10 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/unix/sysv/linux/sched_setaffinity.c
+ (__sched_setaffinity_new): If syscall was successful and
+ RESET_VGETCPU_CACHE is defined, use it before returning.
+ * sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c: New file.
+
* io/sys/stat.h: Make sure struct timespec is defined for
__USE_ATFILE.
diff --git a/io/sys/stat.h b/io/sys/stat.h
index e90eafd..15ae35b 100644
--- a/io/sys/stat.h
+++ b/io/sys/stat.h
@@ -29,7 +29,7 @@
#include <bits/types.h> /* For __mode_t and __dev_t. */
#if defined __USE_XOPEN || defined __USE_XOPEN2K || defined __USE_MISC \
- || __USE_ATFILE
+ || defined __USE_ATFILE
# if defined __USE_XOPEN || defined __USE_XOPEN2K
# define __need_time_t
# endif
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index deeb6f1..2451166 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,10 @@
+2007-05-10 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/unix/sysv/linux/pthread_setaffinity.c
+ (__pthread_setaffinity_new): If syscall was successful and
+ RESET_VGETCPU_CACHE is defined, use it before returning.
+ * sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c: New file.
+
2007-05-10 Jakub Jelinek <jakub@redhat.com>
[BZ #4455]
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c
index 3776e26..fa0f46f 100644
--- a/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@@ -79,6 +79,12 @@ __pthread_setaffinity_new (pthread_t th, size_t cpusetsize,
res = INTERNAL_SYSCALL (sched_setaffinity, err, 3, pd->tid, cpusetsize,
cpuset);
+
+#ifdef RESET_VGETCPU_CACHE
+ if (!INTERNAL_SYSCALL_ERROR_P (res, err))
+ RESET_VGETCPU_CACHE ();
+#endif
+
return (INTERNAL_SYSCALL_ERROR_P (res, err)
? INTERNAL_SYSCALL_ERRNO (res, err)
: 0);
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c
new file mode 100644
index 0000000..640d304
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c
@@ -0,0 +1,14 @@
+#include <tls.h>
+
+#define RESET_VGETCPU_CACHE() \
+ do { \
+ asm volatile ("movl %0, %%fs:%P1\n\t" \
+ "movl %0, %%fs:%P2" \
+ : \
+ : "ir" (0), "i" (offsetof (struct pthread, \
+ header.vgetcpu_cache[0])), \
+ "i" (offsetof (struct pthread, \
+ header.vgetcpu_cache[1]))); \
+ } while (0)
+
+#include "../pthread_setaffinity.c"
diff --git a/sysdeps/unix/sysv/linux/sched_setaffinity.c b/sysdeps/unix/sysv/linux/sched_setaffinity.c
index ccd3c8f..77cde47 100644
--- a/sysdeps/unix/sysv/linux/sched_setaffinity.c
+++ b/sysdeps/unix/sysv/linux/sched_setaffinity.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2007
+ 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
@@ -67,7 +68,14 @@ __sched_setaffinity_new (pid_t pid, size_t cpusetsize, const cpu_set_t *cpuset)
return -1;
}
- return INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset);
+ int result = INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset);
+
+#ifdef RESET_VGETCPU_CACHE
+ if (result != -1)
+ RESET_VGETCPU_CACHE ();
+#endif
+
+ return result;
}
versioned_symbol (libc, __sched_setaffinity_new, sched_setaffinity,
GLIBC_2_3_4);
diff --git a/sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c b/sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c
new file mode 100644
index 0000000..d1101c5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c
@@ -0,0 +1,14 @@
+#include <tls.h>
+
+#define RESET_VGETCPU_CACHE() \
+ do { \
+ asm volatile ("movl %0, %%fs:%P1\n\t" \
+ "movl %0, %%fs:%P2" \
+ : \
+ : "ir" (0), "i" (offsetof (struct pthread, \
+ header.vgetcpu_cache[0])), \
+ "i" (offsetof (struct pthread, \
+ header.vgetcpu_cache[1]))); \
+ } while (0)
+
+#include "../sched_setaffinity.c"