From: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: srinivas.kandagatla@oss.qualcomm.com,
linux-arm-msm@vger.kernel.org, gregkh@linuxfoundation.org,
quic_bkumar@quicinc.com, linux-kernel@vger.kernel.org,
quic_chennak@quicinc.com, dri-devel@lists.freedesktop.org,
arnd@arndb.de, stable@kernel.org
Subject: Re: [PATCH v1 5/5] misc: fastrpc: Add missing unmapping user-requested remote heap
Date: Mon, 19 May 2025 16:28:34 +0530 [thread overview]
Message-ID: <dc67df54-2a19-4318-acd4-b96b8549b64d@oss.qualcomm.com> (raw)
In-Reply-To: <22uccyp5m2szry7bpitqcav5nlvwch5eqh4mdacfedidgrnyhx@vsjobngwdkmb>
On 5/19/2025 4:22 PM, Dmitry Baryshkov wrote:
> On Tue, May 13, 2025 at 09:58:25AM +0530, Ekansh Gupta wrote:
>> User request for remote heap allocation is supported using ioctl
>> interface but support for unmap is missing. This could result in
>> memory leak issues. Add unmap user request support for remote heap.
> Can this memory be in use by the remote proc?
Remote heap allocation request is only intended for audioPD. Other PDs
running on DSP are not intended to use this request.
>
>> Fixes: 532ad70c6d449 ("misc: fastrpc: Add mmap request assigning for static PD pool")
>> Cc: stable@kernel.org
>> Signed-off-by: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
>> ---
>> drivers/misc/fastrpc.c | 62 ++++++++++++++++++++++++++++++++++--------
>> 1 file changed, 51 insertions(+), 11 deletions(-)
>>
next prev parent reply other threads:[~2025-05-19 10:58 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-13 4:28 [PATCH v1 0/5] misc: fastrpc: Add missing bug fixes Ekansh Gupta
2025-05-13 4:28 ` [PATCH v1 1/5] misc: fastrpc: Add NULL check to fastrpc_buf_free to prevent crash Ekansh Gupta
2025-05-19 9:25 ` Srinivas Kandagatla
2025-05-19 10:09 ` Dmitry Baryshkov
2025-05-19 10:40 ` Srinivas Kandagatla
2025-05-19 10:50 ` Ekansh Gupta
2025-05-13 4:28 ` [PATCH v1 2/5] misc: fastrpc: Move all remote heap allocations to a new list Ekansh Gupta
2025-05-19 10:16 ` Dmitry Baryshkov
2025-05-19 11:06 ` Ekansh Gupta
2025-05-19 13:29 ` Dmitry Baryshkov
2025-05-22 4:54 ` Ekansh Gupta
2025-05-22 12:09 ` Dmitry Baryshkov
2025-06-12 5:13 ` Ekansh Gupta
2025-06-12 11:16 ` Dmitry Baryshkov
2025-05-19 11:35 ` Srinivas Kandagatla
2025-05-22 5:09 ` Ekansh Gupta
2025-05-13 4:28 ` [PATCH v1 3/5] misc: fastrpc: Fix initial memory allocation for Audio PD memory pool Ekansh Gupta
2025-05-19 10:17 ` Dmitry Baryshkov
2025-05-19 10:53 ` Ekansh Gupta
2025-05-19 13:31 ` Dmitry Baryshkov
2025-05-22 4:58 ` Ekansh Gupta
2025-05-22 12:11 ` Dmitry Baryshkov
2025-05-19 11:41 ` Srinivas Kandagatla
2025-05-22 5:11 ` Ekansh Gupta
2025-05-13 4:28 ` [PATCH v1 4/5] misc: fastrpc: Remove buffer from list prior to unmap operation Ekansh Gupta
2025-05-19 10:20 ` Dmitry Baryshkov
2025-05-19 10:56 ` Ekansh Gupta
2025-05-19 13:32 ` Dmitry Baryshkov
2025-05-13 4:28 ` [PATCH v1 5/5] misc: fastrpc: Add missing unmapping user-requested remote heap Ekansh Gupta
2025-05-19 10:52 ` Dmitry Baryshkov
2025-05-19 10:58 ` Ekansh Gupta [this message]
2025-05-19 13:34 ` Dmitry Baryshkov
2025-05-22 5:01 ` Ekansh Gupta
2025-05-22 12:13 ` Dmitry Baryshkov
2025-06-12 5:20 ` Ekansh Gupta
2025-06-12 8:05 ` Dmitry Baryshkov
2025-06-12 9:32 ` Ekansh Gupta
2025-06-12 10:24 ` Dmitry Baryshkov
2025-07-09 5:43 ` Ekansh Gupta
2025-07-19 9:44 ` Dmitry Baryshkov
2025-07-23 9:24 ` Ekansh Gupta
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