From: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> Date: Tue, Mar 23, 2010 at 02:27:37PM +0100 Hi Dominik, > On Tue, Mar 23, 2010 at 12:58:58PM +0100, Borislav Petkov wrote: > > > It could already be set in arch/x86/kernel/cpu/amd.c and > > > powernow-k8 could use cpu_has(cpu, X86_FEATURE_CPB); > > > > I'd still like to cache the cpb_capable value locally instead of getting > > x86_cpuinfo percpu var and querying it. Especially if this happens often > > and not only at driver init. > > If it's a percpu var, isn't it local anyway? I meant driver-local. So that I don't have to deref even the per_cpu var and thus save some cycles. -- Regards/Gruss, Boris. -- Advanced Micro Devices, Inc. Operating Systems Research Center -- 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
