Messages in this thread | | | Date | Thu, 16 Apr 2020 09:20:17 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 0/4] Frequency invariance fixes for x86 |
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On Thu, Apr 16, 2020 at 07:47:41AM +0200, Giovanni Gherdovich wrote: > Patches 1-3 address bugs in the current frequency invariance support for x86, > including the incompatibility with cpu0 hotplug reported by Chris Wilson at > https://lore.kernel.org/lkml/158556634294.3228.4889951961483021094@build.alporthouse.com/ > and the issue with CPUs that have less than 4 cores pointed out earlier > today by Like Xu at > https://lore.kernel.org/lkml/20200416021210.170736-1-like.xu@linux.intel.com/ > > Patch 4 is a minor code reorganization. > > Giovanni Gherdovich (3): > x86, sched: Bail out of frequency invariance if base frequency is > unknown > x86, sched: Account for CPUs with less than 4 cores in freq. > invariance > x86, sched: Move check for CPU type to caller function > > Peter Zijlstra (Intel) (1): > x86, sched: Don't enable static key when starting secondary CPUs > > arch/x86/kernel/smpboot.c | 47 +++++++++++++++++++++++++++++++++-------------- > 1 file changed, 33 insertions(+), 14 deletions(-)
Thanks!
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