From: Srinivas Kandagatla <srini@kernel.org>
To: Amol Maheshwari <amahesh@qti.qualcomm.com>,
Jianping Li <jianping.li@oss.qualcomm.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Abel Vesa <abelvesa@kernel.org>,
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 <jorge.ramirez@oss.qualcomm.com>
Subject: Re: (subset) [PATCH v8 0/4] misc: fastrpc: Add missing bug fixes
Date: Wed, 01 Jul 2026 21:39:30 +0100 [thread overview]
Message-ID: <178293837074.11817.1152479238333767830.b4-ty@kernel.org> (raw)
In-Reply-To: <20260609025938.457-1-jianping.li@oss.qualcomm.com>
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 <srini@kernel.org>
prev parent reply other threads:[~2026-07-01 20:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-09 2:59 Jianping Li
2026-06-09 2:59 ` [PATCH v8 1/4] misc: fastrpc: Fix initial memory allocation for Audio PD memory pool Jianping Li
2026-06-09 2:59 ` [PATCH v8 2/4] misc: fastrpc: Remove buffer from list prior to unmap operation Jianping Li
2026-06-09 2:59 ` [PATCH v8 3/4] misc: fastrpc: Allocate entire reserved memory for Audio PD in probe Jianping Li
2026-07-01 20:37 ` Srinivas Kandagatla
2026-07-02 4:02 ` Ekansh Gupta
2026-07-02 6:46 ` Srinivas Kandagatla
2026-07-02 8:43 ` Ekansh Gupta
2026-07-03 4:45 ` Jianping Li
2026-06-09 2:59 ` [PATCH v8 4/4] misc: fastrpc: Allow fastrpc_buf_free() to accept NULL Jianping Li
2026-07-01 20:39 ` Srinivas Kandagatla [this message]
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