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author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-03-13 10:27:13 -0300 |
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committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-03-13 10:27:13 -0300 |
commit | 8ab0cd46c49fead7021400426380229b69ca5ed1 (patch) | |
tree | 3200ba6d2d78413d3a555696e39ead9c489dfb94 | |
parent | 0de52d934560c373daae66f1ac36ed4a264b509d (diff) | |
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PowerPC: Change sched_getcpu to use vDSO getcpu instead of syscall.
Backport of d5e0b9bd6e296f3ec5263fa296d39f3fed9b8fa2.
-rw-r--r-- | ChangeLog | 7 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/Versions | 1 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/init-first.c | 3 |
4 files changed, 13 insertions, 0 deletions
@@ -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 1ef53b9e9c..396a4236c1 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 746d9ced4a..c3026d573d 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 92dacc761f..cfed65536e 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 |