percpu: fix percpu accessors to potentially !cpu_possible() cpus: m32r Percpu areas are only allocated for possible cpus. In general, you shouldn't access random cpu's percpu areas: you're corrupting memory. From: Rusty Russell Signed-off-by: Rusty Russell Signed-off-by: Mike Travis --- arch/m32r/kernel/smpboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- test-compile.orig/arch/m32r/kernel/smpboot.c +++ test-compile/arch/m32r/kernel/smpboot.c @@ -598,7 +598,7 @@ int setup_profiling_timer(unsigned int m * accounting. At that time they also adjust their APIC timers * accordingly. */ - for (i = 0; i < NR_CPUS; ++i) + for_each_possible_cpu(i) per_cpu(prof_multiplier, i) = multiplier; return 0;