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| author | Mike Frysinger <vapier@gentoo.org> | 2015-08-14 22:09:30 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2015-08-18 02:36:43 -0400 |
| commit | 8584204806ffea6f33bc6e42a1f07d6bc5a35105 (patch) | |
| tree | f29001bce4c6064f9718ff54c921c041cb0b29f5 /sysdeps | |
| parent | 43329fe1396080faf025118b31053fd19e029c12 (diff) | |
| download | glibc-8584204806ffea6f33bc6e42a1f07d6bc5a35105.zip glibc-8584204806ffea6f33bc6e42a1f07d6bc5a35105.tar.gz glibc-8584204806ffea6f33bc6e42a1f07d6bc5a35105.tar.bz2 | |
hppa: drop __ASSUME_LWS_CAS define
We require recent enough kernels for this now, and we've been hardcoding
it to 1, so drop it entirely now.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/bits/atomic.h | 10 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/kernel-features.h | 3 |
2 files changed, 2 insertions, 11 deletions
diff --git a/sysdeps/unix/sysv/linux/hppa/bits/atomic.h b/sysdeps/unix/sysv/linux/hppa/bits/atomic.h index 6e73504..26b66c5 100644 --- a/sysdeps/unix/sysv/linux/hppa/bits/atomic.h +++ b/sysdeps/unix/sysv/linux/hppa/bits/atomic.h @@ -18,7 +18,6 @@ #include <stdint.h> /* Required for type definitions e.g. uint8_t. */ #include <abort-instr.h> /* Required for ABORT_INSTRUCTIUON. */ -#include <kernel-features.h> /* Required for __ASSUME_LWS_CAS. */ /* We need EFAULT, ENONSYS */ #if !defined EFAULT && !defined ENOSYS @@ -62,10 +61,9 @@ typedef uintmax_t uatomic_max_t; /* String constant for -EDEADLOCK. */ #define _ASM_EDEADLOCK "-45" -#if __ASSUME_LWS_CAS /* The only basic operation needed is compare and exchange. The mem pointer must be word aligned. */ -# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ +#define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ ({ \ register long lws_errno asm("r21"); \ register unsigned long lws_ret asm("r28"); \ @@ -93,17 +91,13 @@ typedef uintmax_t uatomic_max_t; (__typeof (oldval)) lws_ret; \ }) -# define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \ +#define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \ ({ \ __typeof__ (*mem) ret; \ ret = atomic_compare_and_exchange_val_acq(mem, newval, oldval); \ /* Return 1 if it was already acquired. */ \ (ret != oldval); \ }) -#else -# error __ASSUME_LWS_CAS is required to build glibc. -#endif -/* __ASSUME_LWS_CAS */ #endif /* _BITS_ATOMIC_H */ diff --git a/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/sysdeps/unix/sysv/linux/hppa/kernel-features.h index 61bb026..274345a 100644 --- a/sysdeps/unix/sysv/linux/hppa/kernel-features.h +++ b/sysdeps/unix/sysv/linux/hppa/kernel-features.h @@ -18,9 +18,6 @@ <http://www.gnu.org/licenses/>. */ -/* PA-RISC 2.6.9 kernels had the first LWS CAS support */ -#define __ASSUME_LWS_CAS 1 - /* Support for the accept4 and recvmmsg syscalls was added in 2.6.34. */ #if __LINUX_KERNEL_VERSION >= 0x020622 # define __ASSUME_ACCEPT4_SYSCALL 1 |