linux-kernel - Re: [PATCH rdma-next 5/5] RDMA/hns: Fix the illegal memory operation when cross page

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Message-ID: <5B050C4A.8090307@huawei.com>
Date:   Wed, 23 May 2018 14:38:02 +0800
From:   "Wei Hu (Xavier)" <xavier.huwei@...wei.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     <dledford@...hat.com>, <jgg@...pe.ca>,
        <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <xavier.huwei@....com>, <lijun_nudt@....com>
Subject: Re: [PATCH rdma-next 5/5] RDMA/hns: Fix the illegal memory operation
 when cross page



On 2018/5/23 14:17, Leon Romanovsky wrote:
> On Thu, May 17, 2018 at 04:02:53PM +0800, Wei Hu (Xavier) wrote:
>> This patch fixed the potential illegal operation when using the
>> extend sge buffer cross page in post send operation. The bug
>> will cause the calltrace.
>>
>> Reported-by: Jie Chen <chenjie103@...wei.com>
>> Reported-by: Xiping Zhang (Francis) <zhangxiping3@...wei.com>
>> Fixes: b1c1583("RDMA/hns: Get rid of virt_to_page and vmap calls after dma_alloc_coherent")
> Documentation/process/submitting-patches.rst
> 183 If your patch fixes a bug in a specific commit, e.g. you found an issue using
> 184 ``git bisect``, please use the 'Fixes:' tag with the first 12 characters of
> 185 the SHA-1 ID, and the one line summary.  For example::
> 186
> 187         Fixes: e21d2170f366 ("video: remove unnecessary platform_set_drvdata()")
>
> Thanks
Thanks, Leon
    Got it. We will fix it in v2.
Wei Hu
>> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@...wei.com>