From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fsn-vps-1.bereza.email (fsn-vps-1.bereza.email [162.55.44.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B12134035A0; Wed, 1 Apr 2026 10:57:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.55.44.2 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775041023; cv=none; b=qJHUQCU+3W/8tyXhoiqrQRrfRZlpOgP3ku2RkQxECFCkrgetQukKf+Mnqe3RV+R04JljB9fGKa70VSvyOYEvm5IfliYJPjGLY+CkmH/FFbH11J63z4IvgTTiLx8pwTD5uEEedIatqwzDy/TCt2jnEWLBYTZQ7ABjxYR4ZiF1BHU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775041023; c=relaxed/simple; bh=nGbJMc1SpopSWDrpbU5L/1qQ3V8loe6NC9n1u7UtYqQ=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=Iz86BTi4i4w6/l4G30+jEdfsUsOrU8QcG1XXy1ElDGRoBFwDFp+Q8rg7V1QjFnuQNHT9TZtEh7r4HKWfQke8Vif1f1y4lH9lYFkw2HeD43C4ItmJ/c4OR3pH2KxrwqF0Kpuztkajvqjm18vZYzRmUzjaOH0bsZuPWti8PfQWl+o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bereza.email; spf=pass smtp.mailfrom=bereza.email; dkim=pass (2048-bit key) header.d=bereza.email header.i=@bereza.email header.b=CKWmFr4I; arc=none smtp.client-ip=162.55.44.2 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bereza.email Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bereza.email Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bereza.email header.i=@bereza.email header.b="CKWmFr4I" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=bereza.email; s=mail; t=1775041020; bh=nGbJMc1SpopSWDrpbU5L/1qQ3V8loe6NC9n1u7UtYqQ=; h=From:Subject:Date:To:Cc:From; b=CKWmFr4I7JiMChW8VHJ8G9FCq32dAXo4dBaKsG3gpsEqRn2pY8f2xnH8aOLKf10V0 wVjqP5Yc+dfdiYJHANjUVrIuJMI8iZgSzvq3jsA1KG7UviGk8Nnz4A8Pje3nFJMosP aVsxkwCnecl5rCnDQSleGqlGhqUqRRR3h2lEZuxsp43dqa2iXimje3vBLmpr8X5kHp 1UZOeM7//4lVkoozqkj1GvAeAqODXd7cs0Zt7y2VDVoFK/BCwZoMwDqPYCudERZvHM 1MtF8W/5g82whwwJV5ENR+dO62x0eOSU2x0VEVa47RpLvJDBaDrovL+J+IxwxxjBKA S8IOtroz5qoRA== Received: from [127.0.1.1] (pd95bbad8.dip0.t-ipconnect.de [217.91.186.216]) by fsn-vps-1.bereza.email (Postfix) with ESMTPSA id B95EC5DF94; Wed, 1 Apr 2026 12:56:59 +0200 (CEST) From: Alex Bereza Subject: [PATCH v3 0/2] Fix CPU stall in xilinx_dma_poll_timeout caused by passing delay_us=0 Date: Wed, 01 Apr 2026 12:56:31 +0200 Message-Id: <20260401-fix-atomic-poll-timeout-regression-v3-0-85508f0aedde@bereza.email> Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/42OywrCMBREf0Wy9kqa9KGu/A9xkbQ39krbSBKDW vrvNooIrrocmDlnRubREXq2X43MYSRPdpiDXK9Y3arhjEDNnJngouRScjB0BxVsTzVcbddBoB7 tLYDDs0Of5pCbHKVWRpqmYjPo6nBevSXH0yf7m75gHRI5NVrywbrH+0XMUu8rzJYIYwYZFLrSz a5EVSt+0OjwqTbYK+pYckbxo+Z8GVUAh3KrRFmgrCpu/qjTNL0AlEIB9D8BAAA= X-Change-ID: 20260330-fix-atomic-poll-timeout-regression-4f4e3baf3fd7 To: Vinod Koul , Frank Li , Michal Simek , Geert Uytterhoeven , Ulf Hansson , Arnd Bergmann , Tony Lindgren , Kedareswara rao Appana Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alex Bereza X-Mailer: b4 0.15.1 Signed-off-by: Alex Bereza --- Changes in v3: - patch 1/2: - Fix commit message: remove blank line between tags - patch 2/2: nothing - Link to v2: https://patch.msgid.link/20260401-fix-atomic-poll-timeout-regression-v2-0-68a265e3770f@bereza.email Changes in v2: - Fixed the Fixes: tags as suggested by Geert Uytterhoeven - thanks! - Split the renaming of XILINX_DMA_LOOP_COUNT into separate commit - Link to v1: https://patch.msgid.link/20260331-fix-atomic-poll-timeout-regression-v1-1-5b7bd96eaca0@bereza.email --- Alex Bereza (2): dmaengine: xilinx_dma: Fix CPU stall in xilinx_dma_poll_timeout dmaengine: xilinx_dma: Rename XILINX_DMA_LOOP_COUNT drivers/dma/xilinx/xilinx_dma.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) --- base-commit: b7560798466a07d9c3fb011698e92c335ab28baf change-id: 20260330-fix-atomic-poll-timeout-regression-4f4e3baf3fd7 Best regards, -- Alex Bereza