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[35.195.168.105]) by smtp.gmail.com with ESMTPSA id n18sm3369617wrw.11.2021.04.22.06.03.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Apr 2021 06:03:15 -0700 (PDT) Date: Thu, 22 Apr 2021 13:03:12 +0000 From: Quentin Perret To: Florian Fainelli Cc: Ard Biesheuvel , Rob Herring , Alexandre TORGUE , Greg Kroah-Hartman , Sasha Levin , stable , Arnd Bergmann , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel@vger.kernel.org" , Nicolas Boichat , Stephen Boyd , KarimAllah Ahmed , Android Kernel Team , Architecture Mailman List , Frank Rowand , linux-arm-kernel Subject: Re: [v5.4 stable] arm: stm32: Regression observed on "no-map" reserved memory region Message-ID: References: <4a4734d6-49df-677b-71d3-b926c44d89a9@foss.st.com> <001f8550-b625-17d2-85a6-98a483557c70@foss.st.com> <498b8759-1a70-d80f-3a4d-39042b4f608e@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <498b8759-1a70-d80f-3a4d-39042b4f608e@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 21 Apr 2021 at 08:17:28 (-0700), Florian Fainelli wrote: > 5.10.31 works correctly and shows the following for my platform: > > 40000000-fdffefff : System RAM > 40200000-40eaffff : Kernel code > 40eb0000-4237ffff : reserved > 42380000-425affff : Kernel data > 45000000-450fffff : reserved > 47000000-4704ffff : reserved > 4761e000-47624fff : reserved > f8c00000-fdbfffff : reserved > fdfff000-ffffffff : reserved > 100000000-13fffffff : System RAM > 13b000000-13effffff : reserved > 13f114000-13f173fff : reserved > 13f174000-13f774fff : reserved > 13f775000-13f7e8fff : reserved > 13f7eb000-13f7ecfff : reserved > 13f7ed000-13f7effff : reserved > 13f7f0000-13fffffff : reserved OK, so if we're confident this works from 5.10 onwards, I would suggest to follow Ard's original suggestion to revert this patch from older LTSes as we're clearly missing something there. 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[35.195.168.105]) by smtp.gmail.com with ESMTPSA id n18sm3369617wrw.11.2021.04.22.06.03.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Apr 2021 06:03:15 -0700 (PDT) Date: Thu, 22 Apr 2021 13:03:12 +0000 From: Quentin Perret To: Florian Fainelli Cc: Ard Biesheuvel , Rob Herring , Alexandre TORGUE , Greg Kroah-Hartman , Sasha Levin , stable , Arnd Bergmann , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel@vger.kernel.org" , Nicolas Boichat , Stephen Boyd , KarimAllah Ahmed , Android Kernel Team , Architecture Mailman List , Frank Rowand , linux-arm-kernel Subject: Re: [v5.4 stable] arm: stm32: Regression observed on "no-map" reserved memory region Message-ID: References: <4a4734d6-49df-677b-71d3-b926c44d89a9@foss.st.com> <001f8550-b625-17d2-85a6-98a483557c70@foss.st.com> <498b8759-1a70-d80f-3a4d-39042b4f608e@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <498b8759-1a70-d80f-3a4d-39042b4f608e@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210422_060318_685976_F3171BED X-CRM114-Status: GOOD ( 10.84 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wednesday 21 Apr 2021 at 08:17:28 (-0700), Florian Fainelli wrote: > 5.10.31 works correctly and shows the following for my platform: > > 40000000-fdffefff : System RAM > 40200000-40eaffff : Kernel code > 40eb0000-4237ffff : reserved > 42380000-425affff : Kernel data > 45000000-450fffff : reserved > 47000000-4704ffff : reserved > 4761e000-47624fff : reserved > f8c00000-fdbfffff : reserved > fdfff000-ffffffff : reserved > 100000000-13fffffff : System RAM > 13b000000-13effffff : reserved > 13f114000-13f173fff : reserved > 13f174000-13f774fff : reserved > 13f775000-13f7e8fff : reserved > 13f7eb000-13f7ecfff : reserved > 13f7ed000-13f7effff : reserved > 13f7f0000-13fffffff : reserved OK, so if we're confident this works from 5.10 onwards, I would suggest to follow Ard's original suggestion to revert this patch from older LTSes as we're clearly missing something there. Thanks, Quentin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel