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[62.151.111.63]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a073c8ca72sm12866525f8f.4.2025.04.29.00.33.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Apr 2025 00:33:18 -0700 (PDT) From: Javier Martinez Canillas To: Jocelyn Falempe , Miguel Ojeda , Christian Schrefl , Arnd Bergmann , Russell King , Paolo Bonzini , rust-for-linux , Linux ARM , Thomas Zimmermann , Maarten Lankhorst , Maxime Ripard , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org Cc: Jocelyn Falempe Subject: Re: [PATCH] drm/panic: Use a decimal fifo to avoid u64 by u64 divide In-Reply-To: <20250418165059.560503-1-jfalempe@redhat.com> References: <20250418165059.560503-1-jfalempe@redhat.com> Date: Tue, 29 Apr 2025 09:33:17 +0200 Message-ID: <8734dr1kxu.fsf@minerva.mail-host-address-is-not-set> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: QZWKPATMd5DuBj5i9Vcaegcm8p04MqH0HcJ-tHyC5Fk_1745912001 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250429_003502_964666_6B5FA49F X-CRM114-Status: UNSURE ( 9.34 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Jocelyn Falempe writes: Hello Jocelyn, > On 32bits ARM, u64/u64 is not supported [1], so change the algorithm > to use a simple fifo with decimal digits as u8 instead. > This is slower but should compile on all architecture. > > Link: https://lore.kernel.org/dri-devel/CANiq72ke45eOwckMhWHvmwxc03dxr4rnxxKvx+HvWdBLopZfrQ@mail.gmail.com/ [1] > Signed-off-by: Jocelyn Falempe > --- Acked-by: Javier Martinez Canillas -- Best regards, Javier Martinez Canillas Core Platforms Red Hat