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Message-Id: <200811212111.43149.rusty@rustcorp.com.au> Date: Fri, 21 Nov 2008 21:11:42 +1030 From: Rusty Russell <rusty@...tcorp.com.au> To: James Bottomley <James.Bottomley@...senpartnership.com> Cc: James Bottomley <James.Bottomley@...senPartnership.com> Subject: [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 <rusty@...tcorp.com.au> Signed-off-by: Mike Travis <travis@....com> Acked-by: Ingo Molnar <mingo@...e.hu> Cc: James Bottomley <James.Bottomley@...senPartnership.com> --- arch/x86/mach-voyager/voyager_smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- test-compile.orig/arch/x86/mach-voyager/voyager_smp.c +++ test-compile/arch/x86/mach-voyager/voyager_smp.c @@ -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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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