diff options
| author |   Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> | 2007-07-17 21:21:26 +0900 |
|---|---|---|
| committer |   Tony Luck <tony.luck@intel.com> | 2007-07-17 09:50:29 -0700 |
| commit | c1726d6f1ad2f1d83e5db1e0142756e9255a82b3 (patch) | |
| tree | b58a0a3a219865ba9b1ee9844f2561c04500b990 /include/asm-ia64 | |
| parent | [IA64] Cleanup lock order in iosapic_register_intr (diff) | |
| download | linux-dev-c1726d6f1ad2f1d83e5db1e0142756e9255a82b3.tar.xz linux-dev-c1726d6f1ad2f1d83e5db1e0142756e9255a82b3.zip | |
[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')
| -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 @@ #define NR_IOSAPICS 256 -static inline unsigned int iosapic_read(char __iomem *iosapic, unsigned int reg) +static inline unsigned int __iosapic_read(char __iomem *iosapic, unsigned int reg) { writel(reg, iosapic + IOSAPIC_REG_SELECT); return readl(iosapic + IOSAPIC_WINDOW); } -static inline void iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) +static inline void __iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) { writel(reg, iosapic + IOSAPIC_REG_SELECT); writel(val, iosapic + IOSAPIC_WINDOW); |