when acpi=off, powernow-k8 driver is still loaded, and fails with a firmware bug warning message. http://bugzilla.kernel.org/show_bug.cgi?id=13695#c5 this is misleading, we should not load powernow-k8 driver when acpi=off. http://bugzilla.kernel.org/show_bug.cgi?id=13695 Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> Tested-by: David Santamaría Rogado <howl.nsp@xxxxxxxxx> --- arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 3 +++ 1 file changed, 3 insertions(+) Index: linux-2.6/arch/x86/kernel/cpu/cpufreq/powernow-k8.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ linux-2.6/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1436,6 +1436,9 @@ static int __cpuinit powernowk8_init(voi { unsigned int i, supported_cpus = 0; + if (acpi_disabled) + return 0; + for_each_online_cpu(i) { int rc; smp_call_function_single(i, check_supported_cpu, &rc, 1); -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
