On 2017.08.25 09:43 Chen Yu wrote: > There is a growing number of reports that the MSR throttling has > been enabled after resumed back from suspend to ram, which impacts > the system performance. This patchset tries to address this issue > by turning off the T-state after resumed back. > > Chen Yu (2): > ACPI / PM: Reuse the acpi_sleep_syscore_ops for future requirement > ACPI / PM: Disable the MSR T-state during CPU online > > drivers/acpi/sleep.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 58 insertions(+), 2 deletions(-) Hi Chen, I'll just copy and paste what I wrote in a couple of the bug reports ([1] for example) a couple of days ago: > I believe that pending changes to the intel-pstate CPU frequency scaling driver, > proposed by Rafael, I think for kernel 4.14-rc1, will eliminate the ongoing > troubles with Clock Modulation and the driver. > > I'm saying that the issue will no longer exist, and that the intel_pstate > CPU frequency scaling driver will respond "properly" to Clock Modulation events. > Of course, I'll check when kernel 4.14-rc1 becomes available, or before if I can > apply all the patches. > > For reference see the patch set related to: > > [PATCH 0/2] cpufreq: intel_pstate: Eliminate the PID controller > 2017.07.24 03:22 (or 10:22 UTC, I think) > > https://marc.info/?l=linux-pm&m=150093486908759&w=2 > https://marc.info/?l=linux-pm&m=150093484308751&w=2 > https://marc.info/?l=linux-pm&m=150093486808758&w=2 [1] https://bugzilla.kernel.org/show_bug.cgi?id=189861 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
