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[175.34.8.244]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a853889667sm2507543a91.1.2026.10.05.20.49.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Oct 2026 20:49:52 -0700 (PDT) Message-ID: <2e83d025-2edb-43bb-a9fe-cdc09ac2320a@redhat.com> Date: Tue, 6 Oct 2026 13:49:42 +1000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v22 20/23] KVM: arm64: CCA: WARN on injected undef exceptions To: Suzuki K Poulose , kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: maz@kernel.org, will@kernel.org, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, steven.price@arm.com, aneesh.kumar@kernel.org, oupton@kernel.org, joey.gouly@arm.com, tabba@google.com, yuzenghui@huawei.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, sdonthineni@nvidia.com, alpergun@google.com, fj0570is@fujitsu.com, WeiLin.Chang@arm.com, lpieralisi@kernel.org, enju.kohei@fujitsu.com, sudeep.holla@arm.com, jonathan.cameron@oss.qualcomm.com References: <20261005090754.2140522-1-suzuki.poulose@arm.com> <20261005090754.2140522-21-suzuki.poulose@arm.com> Content-Language: en-US From: Gavin Shan In-Reply-To: <20261005090754.2140522-21-suzuki.poulose@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/5/26 7:07 PM, Suzuki K Poulose wrote: > From: Steven Price > > The RMM doesn't allow injection of a undefined exception into a realm > guest. Add a WARN to catch if this ever happens. > > Reviewed-by: Jonathan Cameron > Signed-off-by: Steven Price > Signed-off-by: Suzuki K Poulose > --- > arch/arm64/kvm/inject_fault.c | 1 + > 1 file changed, 1 insertion(+) > Reviewed-by: Gavin Shan