Messages in this thread | | | Date | Mon, 25 Nov 2013 13:33:39 +0800 | From | Lan Tianyu <> | Subject | Re: [PATCH] Cpufreq: Change sysfs interface cpuinfo_cur_freq access privilege |
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On 2013年11月25日 12:30, Viresh Kumar wrote: > On 25 November 2013 08:23, Lan Tianyu <tianyu.lan@intel.com> wrote: >> Currently, cpuinfo_cur_freq is only accessible for root user while >> other cpufreq sysfs interfaces(E,G scaling_cur_freq) are available >> to ordinary user. This seems make no sense. This patch is to change >> it. > > There is nothing wrong with the code and so this is more of a design > change.. > > Probably Rafael can help us here as cpufreq_cur_freq will read stuff > directly from hardware instead of using cached value in software.
I think so, too. I also tried to checking the reason of the privilege by git log but the code was there before linux kernel being migrated to git repository.
> > -- > viresh >
-- Best regards Tianyu Lan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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