From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 5F87F370AC5; Wed, 1 Jul 2026 20:39:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782938374; cv=none; b=AF8Y2w8WDtVb509XEcj4Z1570t2vVPFmIi/ceG808O96V5McoAOnMxprAvHD5sr+CUejIkhdFmHobfefE0slGj8OX5GYIyC1bjf8otEHANM0s/qo60i4f7RMb3NSwGtnOPMK/MYW1TF7rfznTgJib6ZkCMEguMMNzbV35xVbqB8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782938374; c=relaxed/simple; bh=cI13IgAY08jgulzV5Bp1DyMyj4EeyTUZlfrNWXhNLYU=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=c/ytMXabLObG6JNegSs4R5cGm1OTDOdXcMUrTT304t4rgG1keBeAhMDe/5vZCi67cNkRU7i18hye71m43D0HKjHp4D2c8BJQFvI+NTSa/NzL6FDVDXEmDNm0z4wzXb3FLFAjv+Pnih6pEIY90Oguk3rsG2efBU4pW8wgWlvzGgQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S28tKo1j; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S28tKo1j" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2FA61F000E9; Wed, 1 Jul 2026 20:39:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782938372; bh=/the5eZJbF98hP/D8p+N3EBSs0nvSErM37y6I0tK2pQ=; h=From:To:Cc:In-Reply-To:References:Subject:Date; b=S28tKo1jzZ0l8GvahhZZWEpckiOS9XDAaDZiVZ/NMgmpbWjK5XnQmctnykAbl7+xv g/8L/nuLXz2U5AR+k/JdlEIrgamrmErGtmoYurVvNL3gjnaSne34KovTIPwB/MKCLT /0lsZ0m0hgRBQcEKLYEJPavYskH7evo6jA+AC+UlXneEEscr/jpzNqcI06qs1By8SJ XmcEPGJY113tSiJhtQx4lS9MJ9Awn7WwCpPaB7OlQ+zBSJdihU6rI2uXZHU3Lpk2GD FaNVW0SYJtUjA25lqwfQJLxDsyZsV9ZY0GFKOcRy3wAZJ+bJ2f14AS824xYtRwPSpp vQ1yTuMP3AgQA== From: Srinivas Kandagatla To: Amol Maheshwari , Jianping Li Cc: Arnd Bergmann , Greg Kroah-Hartman , Abel Vesa , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, ekansh.gupta@oss.qualcomm.com, quic_chennak@quicinc.com, Jorge Ramirez-Ortiz In-Reply-To: <20260609025938.457-1-jianping.li@oss.qualcomm.com> References: <20260609025938.457-1-jianping.li@oss.qualcomm.com> Subject: Re: (subset) [PATCH v8 0/4] misc: fastrpc: Add missing bug fixes Message-Id: <178293837074.11817.1152479238333767830.b4-ty@kernel.org> Date: Wed, 01 Jul 2026 21:39:30 +0100 Precedence: bulk X-Mailing-List: linux-kernel@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-Mailer: b4 0.14.3 On Tue, 09 Jun 2026 10:59:34 +0800, Jianping Li wrote: > Add missing bug fixes in memory areas. This patch series fixes multiple memory > handling issues in the FastRPC driver, primarily around the Audio PD remote heap. > > The Audio PD uses a reserved memory-region that is shared between HLOS > and the DSP. Allocating and freeing this memory from userspace is unsafe, > as the kernel cannot reliably determine when the DSP has finished using > the buffers. > > [...] Applied, thanks! [1/4] misc: fastrpc: Fix initial memory allocation for Audio PD memory pool commit: 36090f35ca19c1422bd56f03cdc3b5703ca18a15 [2/4] misc: fastrpc: Remove buffer from list prior to unmap operation commit: 902b8ec9dd1098cc133cffa8be0b6378544f27ba [4/4] misc: fastrpc: Allow fastrpc_buf_free() to accept NULL commit: a4f06f06c20a72b2ee96fd964ce93a18e321bd0a Best regards, -- Srinivas Kandagatla