[IA64] Use per iosapic lock for indirect iosapic register access
authorYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Tue, 17 Jul 2007 12:21:26 +0000 (21:21 +0900)
committerTony Luck <tony.luck@intel.com>
Tue, 17 Jul 2007 16:50:29 +0000 (09:50 -0700)
commitc1726d6f1ad2f1d83e5db1e0142756e9255a82b3
treeb58a0a3a219865ba9b1ee9844f2561c04500b990
parent40598cbe9c196f1e84dcfef70541c4a80fd996bb
[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>
arch/ia64/kernel/iosapic.c
include/asm-ia64/iosapic.h