diff options
author | Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> | 2007-07-17 08:21:26 -0400 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2007-07-17 12:50:29 -0400 |
commit | c1726d6f1ad2f1d83e5db1e0142756e9255a82b3 (patch) | |
tree | b58a0a3a219865ba9b1ee9844f2561c04500b990 /include/asm-ia64/iosapic.h | |
parent | 40598cbe9c196f1e84dcfef70541c4a80fd996bb (diff) |
[IA64] Use per iosapic lock for indirect iosapic register access
Use per-iosapic lock for indirect iosapic register access. It reduces
lock contention.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/iosapic.h')
-rw-r--r-- | include/asm-ia64/iosapic.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-ia64/iosapic.h b/include/asm-ia64/iosapic.h index 421cb6b62a7c..09bdc3898df8 100644 --- a/include/asm-ia64/iosapic.h +++ b/include/asm-ia64/iosapic.h | |||
@@ -53,13 +53,13 @@ | |||
53 | 53 | ||
54 | #define NR_IOSAPICS 256 | 54 | #define NR_IOSAPICS 256 |
55 | 55 | ||
56 | static inline unsigned int iosapic_read(char __iomem *iosapic, unsigned int reg) | 56 | static inline unsigned int __iosapic_read(char __iomem *iosapic, unsigned int reg) |
57 | { | 57 | { |
58 | writel(reg, iosapic + IOSAPIC_REG_SELECT); | 58 | writel(reg, iosapic + IOSAPIC_REG_SELECT); |
59 | return readl(iosapic + IOSAPIC_WINDOW); | 59 | return readl(iosapic + IOSAPIC_WINDOW); |
60 | } | 60 | } |
61 | 61 | ||
62 | static inline void iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) | 62 | static inline void __iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) |
63 | { | 63 | { |
64 | writel(reg, iosapic + IOSAPIC_REG_SELECT); | 64 | writel(reg, iosapic + IOSAPIC_REG_SELECT); |
65 | writel(val, iosapic + IOSAPIC_WINDOW); | 65 | writel(val, iosapic + IOSAPIC_WINDOW); |