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([2a02:8109:aa0d:be00::7424]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-59b26f62bd9sm8112269a12.94.2024.07.18.01.49.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 18 Jul 2024 01:49:59 -0700 (PDT) Message-ID: <83f721bf-b2a6-4c05-b142-3473ffc86fde@linaro.org> Date: Thu, 18 Jul 2024 10:49:58 +0200 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 v2] soc: qcom: cmd-db: Map shared memory as WC, not WB To: Pavan Kondeti Cc: Maulik Shah , Bjorn Andersson , Konrad Dybcio , stephan@gerhold.net, swboyd@chromium.org, dianders@chromium.org, robdclark@gmail.com, nikita@trvn.ru, quic_eberman@quicinc.com, quic_lsrao@quicinc.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Volodymyr Babchuk , stable@vger.kernel.org References: <20240718-cmd_db_uncached-v2-1-f6cf53164c90@quicinc.com> <1c5b3f7f-95b6-4efb-aa16-11571b87c6c6@linaro.org> Content-Language: en-US From: Caleb Connolly In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 18/07/2024 09:55, Pavan Kondeti wrote: > On Thu, Jul 18, 2024 at 09:42:27AM +0200, Caleb Connolly wrote: >> Hi Pavan, >> >>> >>> Thanks Maulik for sharing the patch. It works as expected. Feel free to >>> use >> >> Can I ask how you're testing this? >> >> Kind regards, >>> >>> Tested-by: Pavankumar Kondeti >>> >> > > The QCM6490 RB3 board boots from upstream kernel. As part of releases > here [1] we plan to support booting Linux in EL2. Currently, I have an > internal board/build with firmware allowing this already. I have boot tested > Maulik's patch (and as well v1 patch). The targets gets reset early in > the boot up w/o this patch and I could boot w/ this patch. Ahh awesome! Thanks for the info :) > > Thanks, > Pavan > > [1] https://github.com/quic-yocto/qcom-manifest -- // Caleb (they/them)