From: "Wei Hu (Xavier)" <xavier.huwei-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
Cc: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
xavier.huwei-WVlzvzqoTvw@public.gmane.org,
xavier_huwei-9Onoh4P/yGk@public.gmane.org,
linuxarm-hv44wF8Li93QT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH 0/3] RDMA/hns: Bug fixes in hns RoCE driver
Date: Tue, 28 Nov 2017 14:28:04 +0800 [thread overview]
Message-ID: <5A1D01F4.8000800@huawei.com> (raw)
In-Reply-To: <20171127183637.GA13966-uk2M96/98Pc@public.gmane.org>
On 2017/11/28 2:36, Jason Gunthorpe wrote:
> On Mon, Nov 27, 2017 at 10:41:21AM +0800, Wei Hu (Xavier) wrote:
>> This patch-set introduces three patches to fix about the memory
>> related issues.
> If these patches are for-rc can you revise the commit message to more
> clearly explain what the bug is, and supply Fixes lines?
Ok, I will modify the commit message and add Fixes lines.
And I will send patch V2 for-rc.
Thanks.
> Otherwise these will go to 4.16
>
> It looks like the first one is for-rc material as it looks like DMA
> will fail sometimes if the smmu is enabled?
Yes, The first one fixes the MTPT configuration error that probably
cause dma operation
failure.
> The other two are less clear to me - is this just fixing the code to
> conform to the DMA API, or is there an actual real user-impacting bug here?
The other two patches fixes incorrect usage of dma API that may
cause coherency problems.
Regards
Wei Hu
> Thanks
> Jason
>
>
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WARNING: multiple messages have this Message-ID (diff)
From: "Wei Hu (Xavier)" <xavier.huwei@huawei.com>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: <dledford@redhat.com>, <linux-rdma@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <xavier.huwei@tom.com>,
<xavier_huwei@163.com>, <linuxarm@huawei.com>
Subject: Re: [PATCH 0/3] RDMA/hns: Bug fixes in hns RoCE driver
Date: Tue, 28 Nov 2017 14:28:04 +0800 [thread overview]
Message-ID: <5A1D01F4.8000800@huawei.com> (raw)
In-Reply-To: <20171127183637.GA13966@ziepe.ca>
On 2017/11/28 2:36, Jason Gunthorpe wrote:
> On Mon, Nov 27, 2017 at 10:41:21AM +0800, Wei Hu (Xavier) wrote:
>> This patch-set introduces three patches to fix about the memory
>> related issues.
> If these patches are for-rc can you revise the commit message to more
> clearly explain what the bug is, and supply Fixes lines?
Ok, I will modify the commit message and add Fixes lines.
And I will send patch V2 for-rc.
Thanks.
> Otherwise these will go to 4.16
>
> It looks like the first one is for-rc material as it looks like DMA
> will fail sometimes if the smmu is enabled?
Yes, The first one fixes the MTPT configuration error that probably
cause dma operation
failure.
> The other two are less clear to me - is this just fixing the code to
> conform to the DMA API, or is there an actual real user-impacting bug here?
The other two patches fixes incorrect usage of dma API that may
cause coherency problems.
Regards
Wei Hu
> Thanks
> Jason
>
>
next prev parent reply other threads:[~2017-11-28 6:28 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 2:41 [PATCH 0/3] RDMA/hns: Bug fixes in hns RoCE driver Wei Hu (Xavier)
2017-11-27 2:41 ` Wei Hu (Xavier)
2017-11-27 2:41 ` [PATCH 1/3] RDMA/hns: Fix the issue of IOVA not page continuous in hip08 Wei Hu (Xavier)
2017-11-27 2:41 ` Wei Hu (Xavier)
2017-11-27 2:41 ` [PATCH 2/3] RDMA/hns: Get rid of virt_to_page and vmap calls after dma_alloc_coherent Wei Hu (Xavier)
2017-11-27 2:41 ` Wei Hu (Xavier)
2017-11-27 2:41 ` [PATCH 3/3] RDMA/hns: Get rid of page operation " Wei Hu (Xavier)
2017-11-27 2:41 ` Wei Hu (Xavier)
[not found] ` <1511750484-102395-1-git-send-email-xavier.huwei-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-11-27 18:36 ` [PATCH 0/3] RDMA/hns: Bug fixes in hns RoCE driver Jason Gunthorpe
2017-11-27 18:36 ` Jason Gunthorpe
[not found] ` <20171127183637.GA13966-uk2M96/98Pc@public.gmane.org>
2017-11-28 6:15 ` Leon Romanovsky
2017-11-28 6:15 ` Leon Romanovsky
2017-11-28 13:20 ` Dennis Dalessandro
2017-11-28 18:39 ` Jason Gunthorpe
[not found] ` <20171128183910.GA21325-uk2M96/98Pc@public.gmane.org>
2017-11-28 18:50 ` Bart Van Assche
2017-11-28 18:50 ` Bart Van Assche
[not found] ` <1511895042.28512.6.camel-Sjgp3cTcYWE@public.gmane.org>
2017-11-28 19:08 ` Leon Romanovsky
2017-11-28 19:08 ` Leon Romanovsky
2017-11-28 19:33 ` Jason Gunthorpe
[not found] ` <20171128193311.GB21325-uk2M96/98Pc@public.gmane.org>
2017-11-28 20:27 ` Dennis Dalessandro
2017-11-28 20:27 ` Dennis Dalessandro
[not found] ` <c3d23cf8-ed10-73a3-7b5b-8c58b7aa4781-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-11-29 10:00 ` Jonathan Cameron
2017-11-29 10:00 ` Jonathan Cameron
2017-11-28 6:28 ` Wei Hu (Xavier) [this message]
2017-11-28 6:28 ` Wei Hu (Xavier)
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