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[78.88.45.141]) by smtp.gmail.com with ESMTPSA id rs6-20020a170907890600b00a3e48deecd4sm6313016ejc.222.2024.02.23.13.10.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 23 Feb 2024 13:10:53 -0800 (PST) Message-ID: Date: Fri, 23 Feb 2024 22:10:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v17 05/35] virt: gunyah: Add hypervisor driver To: Elliot Berman , Alex Elder , Srinivas Kandagatla , Murali Nalajal , Trilok Soni , Srivatsa Vaddagiri , Carl van Schaik , Philip Derrin , Prakruthi Deepak Heragu , Jonathan Corbet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon , Bjorn Andersson , Dmitry Baryshkov , Fuad Tabba , Sean Christopherson , Andrew Morton Cc: linux-arm-msm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org References: <20240222-gunyah-v17-0-1e9da6763d38@quicinc.com> <20240222-gunyah-v17-5-1e9da6763d38@quicinc.com> Content-Language: en-US From: Konrad Dybcio Autocrypt: addr=konrad.dybcio@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: 439go9fr5u643qaifx6rbyhdnxhmg8kd X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 79854140017 X-Rspam-User: X-HE-Tag: 1708722655-175236 X-HE-Meta: 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 V0uoAM0z 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000016, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 23.02.2024 00:16, Elliot Berman wrote: > Add driver to detect when running under Gunyah. It performs basic > identification hypercall and populates the platform bus for resource > manager to probe. > > Signed-off-by: Elliot Berman > --- [...] > + > + /* Might move this out to individual drivers if there's ever an API version bump */ > + if (gunyah_api_version(&gunyah_api) != GUNYAH_API_V1) { > + pr_info("Unsupported Gunyah version: %u\n", > + gunyah_api_version(&gunyah_api)); Weird for this not to be an error, but it's probably not worth resending over if it's the only thing Konrad