Messages in this thread | | | Date | Thu, 18 Apr 2024 15:08:24 +0100 | From | Conor Dooley <> | Subject | Re: [External] Re: [RFC 0/2] riscv: Idle thread using Zawrs extension |
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On Thu, Apr 18, 2024 at 09:09:06PM +0800, Xu Lu wrote: > On Thu, Apr 18, 2024 at 8:56 PM Christoph Müllner > <christoph.muellner@vrull.eu> wrote: > > > > On Thu, Apr 18, 2024 at 2:44 PM Xu Lu <luxu.kernel@bytedance.com> wrote: > > > > > > On Thu, Apr 18, 2024 at 8:26 PM Christoph Müllner > > > <christoph.muellner@vrull.eu> wrote: > > > > > > > > On Thu, Apr 18, 2024 at 1:50 PM Xu Lu <luxu.kernel@bytedance.com> wrote: > > > > > > > > > > This patch series introduces a new implementation of idle thread using > > > > > Zawrs extension. > > > > > > > > This overlaps with the following series: > > > > https://lore.kernel.org/all/20240315134009.580167-7-ajones@ventanamicro.com/ > > > > > > Hi Christoph. > > > Thanks for your reply! > > > Actually our patch series is different from this. The work from your > > > link focuses on providing support for Zawrs and implementing spinlock > > > using it, while our work focuses on implementing idle thread using > > > Zawrs and accelerating IPI to idle cpu. Of course, the ISA ZAWRS > > > config part can be merged. We will refine our code in the next version > > > to reduce code conflicts. > > > > Yes, I've seen that this targets another optimization, but the basic > > Zawrs support > > would be identical to the other patchset (even if it is not). > > I would propose that we work on a basic Zawrs support patchset that introduces > > the Kconfig, DTS and hwprobe parts (a subset of Andrew's patchset). > > Once this is merged, all other optimizations can be built upon it > > (spinlocks, idle thread, glibc CPU spinning). > > If this proposal is fine for the maintainers/reviewers, then Andrew could resend > > these basic-support patches. > > > > BR > > Christoph > > Roger that! This does make more sense. We will rebase our code on > Andrew's basic support patches in the next version.
IIRC Drew's working on a new version of the linked series (we were talking about it yesterday) so hold off for that before doing a rebase and sending a new version I think.
Thanks, Conor. [unhandled content-type:application/pgp-signature] | |