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| author | Ulrich Drepper <drepper@gmail.com> | 2011-09-06 00:12:18 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-09-06 00:12:18 -0400 |
| commit | ef60624956e93df1da329a48570776ed963b1916 (patch) | |
| tree | 21743f4149f142ca1e4614e1f59c929573745024 /sysdeps/unix/sysv/linux/kernel-features.h | |
| parent | 6585cb60ee7aafc3301c402dda12d6771dfb7fa3 (diff) | |
| download | glibc-ef60624956e93df1da329a48570776ed963b1916.tar.gz glibc-ef60624956e93df1da329a48570776ed963b1916.tar.xz glibc-ef60624956e93df1da329a48570776ed963b1916.zip | |
Prefer real syscalls instead of vsyscalls on x86-64 outside libc.so
Diffstat (limited to 'sysdeps/unix/sysv/linux/kernel-features.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/kernel-features.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index d91f581a95..58f833e96a 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -546,3 +546,8 @@ #if __LINUX_KERNEL_VERSION >= 0x020627 # define __ASSUME_SENDMMSG 1 #endif + +/* getcpu is a syscall for x86-64 since 3.1. */ +#if defined __x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100 +# define __ASSUME_GETCPU_SYSCALL 1 +#endif |