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Fri, 25 Nov 2022 07:12:04 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-1115-g8b801eadce-fm-20221102.001-g8b801ead Mime-Version: 1.0 Message-Id: <9ff2ed97-dd26-4af9-a943-d2c5b917a4e4@app.fastmail.com> In-Reply-To: <20221125120750.3537134-2-lee@kernel.org> References: <20221125120750.3537134-1-lee@kernel.org> <20221125120750.3537134-2-lee@kernel.org> Date: Fri, 25 Nov 2022 13:11:43 +0100 From: "Arnd Bergmann" To: "Lee Jones" , "Andrew Morton" , "Nathan Chancellor" , "Maarten Lankhorst" , mripard@kernel.org, "Thomas Zimmermann" , "Dave Airlie" , "Daniel Vetter" , "Nick Desaulniers" , "Tom Rix" , "Harry Wentland" , "Leo Li" , "Rodrigo Siqueira" , "Alex Deucher" , =?UTF-8?Q?Christian_K=C3=B6nig?= , Xinhui.Pan@amd.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v2 1/2] drm/amdgpu: Temporarily disable broken Clang builds due to blown stack-frame Content-Type: text/plain X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 25, 2022, at 13:07, Lee Jones wrote: > calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 || ARM64) > architectures built with Clang (all released versions), whereby the stack > frame gets blown up to well over 5k. This would cause an immediate kernel > panic on most architectures. We'll revert this when the following bug report > has been resolved: https://github.com/llvm/llvm-project/issues/41896. > > Suggested-by: Arnd Bergmann > Signed-off-by: Lee Jones Acked-by: Arnd Bergmann