percpu: fix percpu accessors to potentially !cpu_possible() cpus: x86 voyager
PATCH 3/3 percpu: fix percpu accessors to potentially !cpu_possible() cpus: x86 voyager
Impact: CPU iterator bugfixes
Percpu areas are only allocated for possible cpus. In general, you shouldn't access random cpu's percpu areas.
Signed-off-by Rusty Russell <[email protected]>
Signed-off-by Mike Travis <[email protected]>
Acked-by Ingo Molnar <[email protected]>
Cc James Bottomley <[email protected]>
--- arch/x86/mach-voyager/voyager_smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
arch/x86/mach-voyager/voyager_smp.c +1 -1
@@ -1223,7 +1223,7 @@ int setup_profiling_timer(unsigned int m* new values until the next timer interrupt in which they do process * accounting. */ -for (i =0 ; i <NR_CPUS ; ++i) +for_each_possible_cpu (i)per_cpu (prof_multiplier, i) = multiplier;return 0 ;