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Tue, 28 Jul 2026 22:06:00 -0700 (PDT) Received: from google.com ([2a00:79e0:2031:6:65c1:52a3:f6d3:37dc]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84ea0055dd5sm741877b3a.20.2026.07.28.22.05.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Jul 2026 22:05:59 -0700 (PDT) Date: Wed, 29 Jul 2026 14:05:55 +0900 From: Sergey Senozhatsky To: Marcel Holtmann , Luiz Augusto von Dentz , Sean Wang Cc: Tomasz Figa , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Sergey Senozhatsky Subject: Re: [PATCH v4 0/2] Bluetooth: btmtksdio: teardown fixes Message-ID: References: <20260618031338.1011410-1-senozhatsky@chromium.org> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On (26/06/24 14:19), Sergey Senozhatsky wrote: > On (26/06/18 12:13), Sergey Senozhatsky wrote: > > This fixes several teardown issues: > > > > INFO: task kworker/u17:0:189 blocked for more than 122 seconds. > > __cancel_work_timer+0x3f4/0x460 > > cancel_work_sync+0x1c/0x2c > > btmtksdio_flush+0x2c/0x40 > > hci_dev_open_sync+0x10c4/0x2190 > > [..] > > > > close/flush can deadlock when run concurrently with btmtksdio_txrx_work(). > > In addition btmtksdio_txrx_work() re-enables interrupts regardless of > > close/flush being executed on another CPU. > > > > v3 -> v4: > > - fix commit message linter warnings/errors (tabs, subject line over 80 > > chars). > > > > Sergey Senozhatsky (2): > > Bluetooth: btmtksdio: test for BUS IO errors in btmtksdio_txrx_work() > > Bluetooth: btmtksdio: call cancel_work_sync() out of host lock scope > > Do the patches look good enough to pick up? Gentle ping.