On Tue, Mar 25, 2014 at 03:04:16PM -0700, Vinson Lee wrote: > Hi. > > Please backport upstream commit 8673b83bf2f013379453b4779047bf3c6ae387e4 > "acpi-cpufreq: set current frequency based on target P-State" to stable > kernels 3.7 and earlier. This patch enables the kernel to control > P-states on several platforms. Without this patch, the kernel was unable > to control P-states on the same platforms. > > The upstream patch cleanly applies to 3.7. > > A backported patch is needed with the removal of SYSTEM_AMD_MSR_CAPABLE > for kernels 3.6 and earlier. > I seem to recall that the problem was a regression introduced by commit 5a1c0228 (cpufreq: Avoid calling cpufreq driver's target() routine if target_freq == policy->cur) which was introduced in the 3.8 cycle. Are you sure it is necessary for kernels < 3.8? Regards -- Ross Lagerwall -- 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
