Messages in this thread | | | Subject | Re: Re: [GIT PULL V2] Changes for 4.8 | From | Juergen Gross <> | Date | Thu, 11 Aug 2016 15:23:28 +0200 |
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On 27/07/16 19:03, Linus Torvalds wrote: > On Tue, Jul 26, 2016 at 8:59 PM, Juergen Gross <jgross@suse.com> wrote: >> >> Support calling functions on dedicated physical cpu >> >> Some hardware (e.g. Dell Studio laptops) require special functions to >> be called on physical cpu 0 in order to avoid occasional hangs. When >> running as dom0 under Xen this could be achieved only via special boot >> parameters (vcpu pinning) limiting the hypervisor in it's scheduling >> decisions. >> >> This patch series is adding a generic function to be able to temporarily >> pin a (virtual) cpu to a dedicated physical cpu for executing above >> mentioned functions on that specific cpu. The drivers (dcdbas and i8k) >> requiring this functionality are modified accordingly. >> >> Unfortunately 2 of the 6 patches got no Acks as the maintainers didn't >> react in spite of multiple pings and resends. The core modification in >> the scheduler got an Ack from Peter and multiple tests showed no >> regressions. >> >> As the series is touching multiple subsystems I couldn't find anyone >> willing to take the series via his tree (I tried Ingo, Thomas, Peter). > > Thanks, this explanation was exactly what I was looking for. > > I'm still at two minds whether I'd prefer this kind of thing to come > in through the x86 maintainers, or possibly the virtualization people > who would actually use this. Or whether I'll just take it directly. > > I will take another look later when I've gotten rid of the big initial > flood of pull requests.
Did you already decide what you want to do?
Thanks,
Juergen
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