diff options
Diffstat (limited to 'nptl/sysdeps')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S | 10 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/internaltypes.h | 2 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S | 10 |
3 files changed, 1 insertions, 21 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S index f246711489..830f628578 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S @@ -19,16 +19,6 @@ #include <kernel-features.h> -/* In libc.so we do not unconditionally use the lock prefix. Only if - the application is using threads. */ -#ifndef UP -# define LOCK \ - cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \ - je 0f; \ - lock; \ -0: -#endif - /* All locks in libc are private. Use the kernel feature if possible. */ #define FUTEX_PRIVATE_FLAG 128 #ifdef __ASSUME_PRIVATE_FUTEX diff --git a/nptl/sysdeps/unix/sysv/linux/internaltypes.h b/nptl/sysdeps/unix/sysv/linux/internaltypes.h index dfd53a02b6..add20b6f72 100644 --- a/nptl/sysdeps/unix/sysv/linux/internaltypes.h +++ b/nptl/sysdeps/unix/sysv/linux/internaltypes.h @@ -80,7 +80,7 @@ struct pthread_condattr of bits needed to represent the ID of the clock. COND_NWAITERS_SHIFT is the number of bits reserved for other purposes like the clock. */ #define COND_CLOCK_BITS 1 -#define COND_NWAITERS_SHIFT 8 +#define COND_NWAITERS_SHIFT 1 /* Read-write lock variable attribute data structure. */ diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S index 21bf58cbbd..3265eee0ed 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S @@ -19,16 +19,6 @@ #include <kernel-features.h> -/* In libc.so we do not unconditionally use the lock prefix. Only if - the application is using threads. */ -#ifndef UP -# define LOCK \ - cmpl $0, __libc_multiple_threads(%rip); \ - je 0f; \ - lock; \ -0: -#endif - /* All locks in libc are private. Use the kernel feature if possible. */ #define FUTEX_PRIVATE_FLAG 128 #ifdef __ASSUME_PRIVATE_FUTEX |