aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-ia64/sn/arch.h
diff options
context:
space:
mode:
authorJohn Keller <jpk@sgi.com>2007-08-22 20:32:06 -0400
committerTony Luck <tony.luck@intel.com>2007-09-01 05:49:57 -0400
commit6e9de18120988388cdae5097c09e774416d58745 (patch)
tree04f7de7bee8d38a4e871970afda136bb5ac853be /include/asm-ia64/sn/arch.h
parent1aac0b5739ae192ee812eee09625ebfc08c2d760 (diff)
[IA64] SN: Add support for CPU disable
Add additional support for CPU disable on SN platforms. Correctly setup the smp_affinity mask for I/O error IRQs. Restrict the use of the feature to Altix 4000 and 450 systems running with a CPU disable capable PROM, and do not allow disabling of CPU 0. Signed-off-by: John Keller <jpk@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/sn/arch.h')
-rw-r--r--include/asm-ia64/sn/arch.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/arch.h b/include/asm-ia64/sn/arch.h
index 16adc93d7a72..7caa1f44cd95 100644
--- a/include/asm-ia64/sn/arch.h
+++ b/include/asm-ia64/sn/arch.h
@@ -81,5 +81,6 @@ extern u8 sn_sharing_domain_size;
81extern u8 sn_region_size; 81extern u8 sn_region_size;
82 82
83extern void sn_flush_all_caches(long addr, long bytes); 83extern void sn_flush_all_caches(long addr, long bytes);
84extern bool sn_cpu_disable_allowed(int cpu);
84 85
85#endif /* _ASM_IA64_SN_ARCH_H */ 86#endif /* _ASM_IA64_SN_ARCH_H */