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GNU C Library master sources branch ibm/2.13/master updated. glibc-2.13-54-g8ab0cd4
- From: azanella at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 13 Mar 2013 13:33:14 -0000
- Subject: GNU C Library master sources branch ibm/2.13/master updated. glibc-2.13-54-g8ab0cd4
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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=8ab0cd46c49fead7021400426380229b69ca5ed1
commit 8ab0cd46c49fead7021400426380229b69ca5ed1
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Wed Mar 13 10:27:13 2013 -0300
PowerPC: Change sched_getcpu to use vDSO getcpu instead of syscall.
Backport of d5e0b9bd6e296f3ec5263fa296d39f3fed9b8fa2.
diff --git a/ChangeLog b/ChangeLog
index 2a0f90c..6ab2afc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2013-01-09 Anton Blanchard <anton@samba.org>
+
+ * sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c: New file.
+ * sysdeps/unix/sysv/linux/powerpc/Versions: Add __vdso_getcpu.
+ * sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/init-first.c: Likewise.
+
2012-05-12 Andreas Schwab <schwab@linux-m68k.org>
* sysdeps/powerpc/memmove.c (MEMMOVE): Don't return a value if
diff --git a/sysdeps/unix/sysv/linux/powerpc/Versions b/sysdeps/unix/sysv/linux/powerpc/Versions
index 1ef53b9..396a423 100644
--- a/sysdeps/unix/sysv/linux/powerpc/Versions
+++ b/sysdeps/unix/sysv/linux/powerpc/Versions
@@ -3,5 +3,6 @@ libc {
__vdso_get_tbfreq;
__vdso_clock_gettime;
__vdso_clock_getres;
+ __vdso_getcpu;
}
}
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
index 746d9ce..c3026d5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
@@ -31,6 +31,8 @@ extern void *__vdso_clock_getres;
extern void *__vdso_get_tbfreq;
+extern void *__vdso_getcpu;
+
#endif
#endif /* _LIBC_VDSO_H */
diff --git a/sysdeps/unix/sysv/linux/powerpc/init-first.c b/sysdeps/unix/sysv/linux/powerpc/init-first.c
index 92dacc7..cfed655 100644
--- a/sysdeps/unix/sysv/linux/powerpc/init-first.c
+++ b/sysdeps/unix/sysv/linux/powerpc/init-first.c
@@ -27,6 +27,7 @@ void *__vdso_gettimeofday attribute_hidden;
void *__vdso_clock_gettime;
void *__vdso_clock_getres;
void *__vdso_get_tbfreq;
+void *__vdso_getcpu;
static inline void
@@ -41,6 +42,8 @@ _libc_vdso_platform_setup (void)
__vdso_clock_getres = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
__vdso_get_tbfreq = _dl_vdso_vsym ("__kernel_vdso_get_tbfreq", &linux2615);
+
+ __vdso_getcpu = _dl_vdso_vsym ("__kernel_getcpu", &linux2615);
}
# define VDSO_SETUP _libc_vdso_platform_setup
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/unix/sysv/linux/powerpc/Versions | 1 +
sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h | 2 ++
sysdeps/unix/sysv/linux/powerpc/init-first.c | 3 +++
4 files changed, 13 insertions(+), 0 deletions(-)
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