From: Yisheng Xie <xieyisheng1@huawei.com>
To: Bob Liu <liubo95@huawei.com>,
Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: <joro@8bytes.org>, <robh+dt@kernel.org>, <mark.rutland@arm.com>,
<lorenzo.pieralisi@arm.com>, <hanjun.guo@linaro.org>,
<sudeep.holla@arm.com>, <rjw@rjwysocki.net>, <lenb@kernel.org>,
<will.deacon@arm.com>, <robin.murphy@arm.com>,
<robert.moore@intel.com>, <lv.zheng@intel.com>,
<iommu@lists.linux-foundation.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <devel@acpica.org>,
<chenjiankang1@huawei.com>, <xieyisheng@huawei.com>
Subject: Re: [RFC PATCH 4/6] iommu/arm-smmu-v3: Add SVM support for platform devices
Date: Wed, 6 Sep 2017 09:20:32 +0800 [thread overview]
Message-ID: <b0c8ca8f-8d12-5438-91e1-6c984d9debb9@huawei.com> (raw)
In-Reply-To: <3f4e17fa-dcd0-5692-099a-73105e0e0095@huawei.com>
Hi Jean-Philippe,
On 2017/9/6 8:51, Bob Liu wrote:
> On 2017/9/5 20:53, Jean-Philippe Brucker wrote:
>> On 31/08/17 09:20, Yisheng Xie wrote:
>>> From: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
>>>
>>> Platform device can realise SVM function by using the stall mode. That
>>> is to say, when device access a memory via iova which is not populated,
>>> it will stalled and when SMMU try to translate this iova, it also will
>>> stall and meanwhile send an event to CPU via MSI.
>>>
>>> After SMMU driver handle the event and populated the iova, it will send
>>> a RESUME command to SMMU to exit the stall mode, therefore the platform
>>> device can contiue access the memory.
>>>
>>> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
>>
>> No. Please don't forge a signed-off-by under a commit message you wrote,
Sorry about that, it is my mistake.
>
> Really sorry for that.
> We sent out the wrong version, I should take more careful review.
>
> Regards,
> Liubo
>
>> it's rude. I didn't sign it, didn't consider it fit for mainline or even
>> as an RFC, and wanted to have another read before sending. My mistake,
>> I'll think twice before sharing prototypes in the future.
>>
>> Thanks,
>> Jean
>>
>
>
>
>
> .
>
next prev parent reply other threads:[~2017-09-06 1:21 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-31 8:20 [RFC PATCH 0/6] Add platform device SVM support for ARM SMMUv3 Yisheng Xie
2017-08-31 8:20 ` [RFC PATCH 1/6] dt-bindings: document stall and PASID properties for IOMMU masters Yisheng Xie
2017-09-05 12:52 ` Jean-Philippe Brucker
2017-08-31 8:20 ` [RFC PATCH 2/6] iommu/of: Add stall and pasid properties to iommu_fwspec Yisheng Xie
2017-09-05 12:52 ` Jean-Philippe Brucker
2017-08-31 8:20 ` [RFC PATCH 3/6] ACPI: IORT: " Yisheng Xie
2017-08-31 8:20 ` [RFC PATCH 4/6] iommu/arm-smmu-v3: Add SVM support for platform devices Yisheng Xie
2017-09-05 12:53 ` Jean-Philippe Brucker
2017-09-06 0:51 ` Bob Liu
2017-09-06 1:20 ` Yisheng Xie [this message]
2017-08-31 8:20 ` [RFC PATCH 5/6] iommu/arm-smmu-v3: fix panic when handle stall mode irq Yisheng Xie
2017-09-05 12:53 ` Jean-Philippe Brucker
2017-08-31 8:20 ` [RFC PATCH 6/6] iommu/arm-smmu-v3: Avoid ILLEGAL setting of STE.S1STALLD and CD.S Yisheng Xie
2017-09-05 12:54 ` Jean-Philippe Brucker
2017-09-06 2:23 ` Yisheng Xie
2017-09-13 3:06 ` Will Deacon
2017-09-13 10:11 ` Yisheng Xie
2017-09-13 15:47 ` Jean-Philippe Brucker
2017-09-13 17:11 ` Will Deacon
2017-09-05 12:56 ` [RFC PATCH 0/6] Add platform device SVM support for ARM SMMUv3 Jean-Philippe Brucker
2017-09-06 1:02 ` Bob Liu
2017-09-06 9:57 ` Jean-Philippe Brucker
2017-09-07 1:41 ` Bob Liu
2017-09-07 16:32 ` Jean-Philippe Brucker
2017-09-13 1:11 ` Bob Liu
2017-09-06 1:16 ` Yisheng Xie
2017-09-06 9:59 ` Jean-Philippe Brucker
2017-09-07 1:55 ` Bob Liu
2017-09-07 16:30 ` Jean-Philippe Brucker
2017-09-06 1:24 ` Hanjun Guo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b0c8ca8f-8d12-5438-91e1-6c984d9debb9@huawei.com \
--to=xieyisheng1@huawei.com \
--cc=chenjiankang1@huawei.com \
--cc=devel@acpica.org \
--cc=devicetree@vger.kernel.org \
--cc=hanjun.guo@linaro.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jean-philippe.brucker@arm.com \
--cc=joro@8bytes.org \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=liubo95@huawei.com \
--cc=lorenzo.pieralisi@arm.com \
--cc=lv.zheng@intel.com \
--cc=mark.rutland@arm.com \
--cc=rjw@rjwysocki.net \
--cc=robert.moore@intel.com \
--cc=robh+dt@kernel.org \
--cc=robin.murphy@arm.com \
--cc=sudeep.holla@arm.com \
--cc=will.deacon@arm.com \
--cc=xieyisheng@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®