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[2001:4c4e:1b8b:8b00:5388:1a2c:61ca:978d]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47fd41d1756sm1416029f8f.4.2026.07.30.23.57.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Jul 2026 23:58:00 -0700 (PDT) From: Igor Paunovic To: Jiaxing Hu Cc: Tomeu Vizoso , Heiko Stuebner , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Igor Paunovic Subject: Re: [PATCH 2/2] accel/rocket: keep core slots stable across unbind and rebind Date: Fri, 31 Jul 2026 08:57:44 +0200 Message-ID: <20260731065744.12961-1-royalnet026@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260730113256.1418091-1-gahing@gahingwoo.com> References: <20260730113256.1418091-1-gahing@gahingwoo.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260730_235804_580836_9A53EC67 X-CRM114-Status: UNSURE ( 7.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Hi Jiaxing, Thanks - that is exactly the kind of hole a reviewer is for. You were right on all three counts: the failure path left the slot marked live, and the live-slot walk in rocket_job_open() could then write one entry past its allocation. v2 is out with all three addressed: https://lore.kernel.org/dri-devel/20260731064933.12548-1-royalnet026@gmail.com/ I also exercised the path you described on RK3588 - a forced error return in rocket_core_init() for core 2 with cores 0 and 1 bound: the slot is released, the device comes up with the two remaining cores, and inference passes bit-exact with only the two live cores' interrupts firing. Thanks again for the careful review, Igor _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip