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[2003:f6:af13:1a00:27bd:20bf:c18c:447d]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952b79cbsm14242478f8f.4.2025.10.27.07.02.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Oct 2025 07:02:23 -0700 (PDT) Date: Mon, 27 Oct 2025 15:02:22 +0100 (CET) From: Sebastian Ott To: Sascha Bischoff cc: "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , nd , "maz@kernel.org" , "broonie@kernel.org" , "oliver.upton@linux.dev" , Joey Gouly , Suzuki Poulose , "yuzenghui@huawei.com" Subject: Re: [PATCH] KVM: arm64: vgic-v3: Trap all if no in-kernel irqchip In-Reply-To: <20251021094358.1963807-1-sascha.bischoff@arm.com> Message-ID: References: <20251021094358.1963807-1-sascha.bischoff@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed On Tue, 21 Oct 2025, Sascha Bischoff wrote: > If there is no in-kernel irqchip for a GICv3 host set all of the trap > bits to block all accesses. This fixes the no-vgic-v3 selftest again. > > Fixes: 3193287ddffb ("KVM: arm64: gic-v3: Only set ICH_HCR traps for v2-on-v3 or v3 guests") > Reported-by: Mark Brown > Closes: https://lore.kernel.org/all/23072856-6b8c-41e2-93d1-ea8a240a7079@sirena.org.uk > Signed-off-by: Sascha Bischoff Reviewed-by: Sebastian Ott