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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 17:39:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 17:39:28 -0700 |
| commit | be883da7594b0a2a02074e683673ae0e522566a4 (patch) | |
| tree | b62f2a8a069fb4d389935c0b2de9bc78798f50c2 /include/asm-sparc/spinlock.h | |
| parent | 077e98945db7e54a9865b5f29a1f02f531eca414 (diff) | |
| parent | 4c5eb38af2131d867842cdd09fa83a3ed77bfd26 (diff) | |
| download | linux-rt-be883da7594b0a2a02074e683673ae0e522566a4.tar.gz | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Update defconfig.
[SPARC64]: Don't double-export synchronize_irq.
[SPARC64]: Move over to GENERIC_HARDIRQS.
[SPARC64]: Virtualize IRQ numbers.
[SPARC64]: Kill ino_bucket->pil
[SPARC]: Kill __irq_itoa().
[SPARC64]: bp->pil can never be zero
[SPARC64]: Send all device interrupts via one PIL.
[SPARC]: Fix iommu_flush_iotlb end address
[SPARC]: Mark smp init functions as cpuinit
[SPARC]: Add missing rw can_lock macros
[SPARC]: Setup cpu_possible_map
[SPARC]: Add topology_init()
Diffstat (limited to 'include/asm-sparc/spinlock.h')
| -rw-r--r-- | include/asm-sparc/spinlock.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-sparc/spinlock.h b/include/asm-sparc/spinlock.h index 3350c90c7869..1c75474ba1df 100644 --- a/include/asm-sparc/spinlock.h +++ b/include/asm-sparc/spinlock.h @@ -154,6 +154,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw) #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) #define __raw_read_trylock(lock) generic__raw_read_trylock(lock) +#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff)) +#define __raw_write_can_lock(rw) (!(rw)->lock) + #endif /* !(__ASSEMBLY__) */ #endif /* __SPARC_SPINLOCK_H */ |