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[2a02:3100:adda:dc01:edc7:8a6f:c6f3:73e0]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49b961939ddsm102089915e9.4.2026.08.30.11.29.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Aug 2026 11:29:09 -0700 (PDT) Date: Sun, 30 Aug 2026 20:29:07 +0200 From: Karl Mehltretter To: Marc Zyngier Cc: Oliver Upton , kvmarm@lists.linux.dev, Fuad Tabba , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Paolo Bonzini , Shuah Khan , Eric Auger , Christoffer Dall , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v3 0/5] KVM: arm64: fix VGICv3 redistributor rollback Message-ID: References: <20260822095346.53882-1-kmehltretter@gmail.com> <87zey4m2qy.wl-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <87zey4m2qy.wl-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260830_112912_567730_DC432569 X-CRM114-Status: GOOD ( 14.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Aug 30, 2026 at 09:28:05AM +0100, Marc Zyngier wrote: > I really don't understand why this is such a massive departure from > v2, which was pretty close to what I wanted to see. > > Honestly, you are making things harder for everyone by over-designing > (or more probably under-filtering) things that should be *fixes*, and > just that. > > If you want to rework all of the vgic init/destroy, fine by me. Do > that as a separate series. But for fixes that carry a Cc stable and > require backporting to 6 year old kernels, that's not on. > > The hack below is what I have against your v2 to make it acceptable. Okay, thanks. I’ll adapt your suggestion and send a much more minimal v4. Karl