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[60.240.120.95]) by smtp.gmail.com with ESMTPSA id h26sm23268961pgm.72.2022.02.22.22.44.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Feb 2022 22:44:07 -0800 (PST) Date: Wed, 23 Feb 2022 16:44:02 +1000 From: Nicholas Piggin Subject: Re: [PATCH v4 0/3] KVM: PPC: Book3S PR: Fixes for AIL and SCV To: linuxppc-dev@lists.ozlabs.org, Paolo Bonzini References: <20220222064727.2314380-1-npiggin@gmail.com> In-Reply-To: MIME-Version: 1.0 Message-Id: <1645598075.5g1cr5hdzf.astroid@bobo.none> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Excerpts from Paolo Bonzini's message of February 23, 2022 12:11 am: > On 2/22/22 07:47, Nicholas Piggin wrote: >> Patch 3 requires a KVM_CAP_PPC number allocated. QEMU maintainers are >> happy with it (link in changelog) just waiting on KVM upstreaming. Do >> you have objections to the series going to ppc/kvm tree first, or >> another option is you could take patch 3 alone first (it's relatively >> independent of the other 2) and ppc/kvm gets it from you? >=20 > Hi Nick, >=20 > I have pushed a topic branch kvm-cap-ppc-210 to kvm.git with just the=20 > definition and documentation of the capability. ppc/kvm can apply your=20 > patch based on it (and drop the relevant parts of patch 3). I'll send=20 > it to Linus this week. Hey Paolo, Thanks for this, I could have done it for you! This seems like a good=20 way to reserve/merge caps: when there is a series ready for N+1, then merge window then the cap number and description could have a topic branch based on an earlier release. I'm not sure if you'd been doing=20 that before (looks like not for the most recent few caps, at least). One thing that might improve it is if you used 5.16 as the base for the kvm-cap branch. I realise it wasn't so simple this time because=20 5.17-rc2 had a new cap merged. But it should be possible if all new caps=20 took this approach. It would give the arch tree more flexibility where=20 to base their tree on without (mpe usually does -rc2). NBD just an idea=20 for next time. Thanks, Nick