Re: Re: Re: [PATCH v3 0/2] Add Zawrs support and use it for spinlocks

From: Charlie Jenkins <charlie@rivosinc.com>
To: Andrew Jones <ajones@ventanamicro.com>
Cc: "Christoph Müllner" <christoph.muellner@vrull.eu>,
	"Andrea Parri" <parri.andrea@gmail.com>,
	"Heiko Stuebner" <heiko@sntech.de>,
	linux-riscv@lists.infradead.org, palmer@dabbelt.com,
	paul.walmsley@sifive.com, linux-kernel@vger.kernel.org,
	David.Laight@aculab.com, "Conor Dooley" <conor@kernel.org>
Subject: Re: Re: Re: [PATCH v3 0/2] Add Zawrs support and use it for spinlocks
Date: Tue, 5 Mar 2024 15:31:09 -0800	[thread overview]
Message-ID: <ZeerPVB5c7gvgWCw@ghost> (raw)
In-Reply-To: <20240108-2a146eb7def54f0ce0b0d930@orel>

On Mon, Jan 08, 2024 at 03:10:12PM +0100, Andrew Jones wrote:
> On Mon, Jan 08, 2024 at 03:00:29PM +0100, Christoph Müllner wrote:
> > On Mon, Jan 8, 2024 at 12:35 PM Andrew Jones <ajones@ventanamicro.com> wrote:
> > >
> > > On Fri, Oct 20, 2023 at 12:19:38PM +0200, Andrea Parri wrote:
> > > > (Removing Heiko's @vrull address from Cc:, since it seemed to bounce, keeping
> > > >  his @sntech address.)
> > > >
> > > > > I had a quick look at your changes, and they look good to me.
> > > >
> > > > Great.  Thank you for looking them over.
> > > >
> > > > > Did you agree with Palmer about testing requirements?
> > > > > I.e., do we need to run this on hardware that implements Zawrs in a
> > > > > non-trivial way?
> > > >
> > > > I didn't quite discuss such specific requirements or hardware implementations,
> > > > but I agree that's a valid concern.  Not that I currently have access to such
> > > > hardware; any further inputs/data will be appreciated.
> > > >
> > > > > I can try to raise the priority on this here, but can't promise anything.
> > > > > For me it is also ok if you take over this patchset.
> > > >
> > > > Thanks.  Either way works for me.  No urgency from my side.  I'd say - let us
> > > > leave this up to the community/other reviewers.  (IIUC, Palmer was recovering
> > > > from a certain flu and might need more time than usual to get back here.)
> > > >
> > >
> > > Hi everyone,
> > >
> > > I'm also interested in seeing this series resurrected and making progress
> > > again. I'd be happy to help out in any way. It's not clear to me if it has
> > > a current owner. If not, then I could start shepherding the patches with
> > > their authorships intact.
> > 
> > Sounds good to me!
> > Thanks for working on this!
> 
> Thanks for the quick replies! I'll try pull something together in the very
> near future.
> 
> drew

I am interested in this as well, please copy me when you send out the
patch Drew!

- Charlie

> 
> > 
> > >
> > > I may be able to do some testing on an FPGA too.
> > >
> > > Thanks,
> > > drew
> 
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