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authortravis@sgi.com <travis@sgi.com>2008-01-30 13:32:52 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:32:52 +0100
commitacdac87202a408133ee8f7985076de9d2e0dc5ab (patch)
tree55948448c7f179713fc8d1d1ae01ad53adec9c2b /arch/ia64/kernel
parent5280e004fc22314122c84978c0b6a741cf96dc0f (diff)
percpu: make the asm-generic/percpu.h more "generic"
- add support for PER_CPU_ATTRIBUTES - fix generic smp percpu_modcopy to use per_cpu_offset() macro. Add the ability to use generic/percpu even if the arch needs to override several aspects of its operations. This will enable the use of generic percpu.h for all arches. An arch may define: __per_cpu_offset Do not use the generic pointer array. Arch must define per_cpu_offset(cpu) (used by x86_64, s390). __my_cpu_offset Can be defined to provide an optimized way to determine the offset for variables of the currently executing processor. Used by ia64, x86_64, x86_32, sparc64, s/390. SHIFT_PTR(ptr, offset) If an arch defines it then special handling of pointer arithmentic may be implemented. Used by s/390. (Some of these special percpu arch implementations may be later consolidated so that there are less cases to deal with.) Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r--arch/ia64/kernel/module.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 196287928ba..e699eb6c44b 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -947,7 +947,7 @@ percpu_modcopy (void *pcpudst, const void *src, unsigned long size)
{
unsigned int i;
for_each_possible_cpu(i) {
- memcpy(pcpudst + __per_cpu_offset[i], src, size);
+ memcpy(pcpudst + per_cpu_offset(i), src, size);
}
}
#endif /* CONFIG_SMP */