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| author | Vineet Gupta | 2013-07-10 08:10:27 +0200 |
|---|---|---|
| committer | Vineet Gupta | 2013-08-29 14:21:15 +0200 |
| commit | 4b06ff35fb1dcafbcbdcbe9ce794ab0770f2a843 (patch) | |
| tree | 711b71aa5658cecbba27dd18562b5ac4d1a7ecc0 /arch/arc/include/asm/spinlock_types.h | |
| parent | ARC: Entry Handler tweaks: Optimize away redundant IRQ_DISABLE_SAVE (diff) | |
| download | kernel-qcow2-linux-4b06ff35fb1dcafbcbdcbe9ce794ab0770f2a843.tar.gz kernel-qcow2-linux-4b06ff35fb1dcafbcbdcbe9ce794ab0770f2a843.tar.xz kernel-qcow2-linux-4b06ff35fb1dcafbcbdcbe9ce794ab0770f2a843.zip | |
ARC: Code cosmetics (Nothing semantical)
* reduce editor lines taken by pt_regs
* ARCompact ISA specific part of TLB Miss handlers clubbed together
* cleanup some comments
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm/spinlock_types.h')
| -rw-r--r-- | arch/arc/include/asm/spinlock_types.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arc/include/asm/spinlock_types.h b/arch/arc/include/asm/spinlock_types.h index 8276bfd61704..662627ced4f2 100644 --- a/arch/arc/include/asm/spinlock_types.h +++ b/arch/arc/include/asm/spinlock_types.h @@ -20,9 +20,9 @@ typedef struct { #define __ARCH_SPIN_LOCK_LOCKED { __ARCH_SPIN_LOCK_LOCKED__ } /* - * Unlocked: 0x01_00_00_00 - * Read lock(s): 0x00_FF_00_00 to say 0x01 - * Write lock: 0x0, but only possible if prior value "unlocked" 0x0100_0000 + * Unlocked : 0x0100_0000 + * Read lock(s) : 0x00FF_FFFF to 0x01 (Multiple Readers decrement it) + * Write lock : 0x0, but only if prior value is "unlocked" 0x0100_0000 */ typedef struct { volatile unsigned int counter; |