From: Julien Grall <julien.grall@arm.com>
To: Peng Fan <van.freenix@gmail.com>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
sstabellini@kernel.org, xen-devel@lists.xenproject.org
Subject: Re: SMMU, Unhandled context fault
Date: Tue, 3 May 2016 11:58:17 +0100 [thread overview]
Message-ID: <57288449.9030406@arm.com> (raw)
In-Reply-To: <20160429142814.GA11154@linux-7smt.suse>
On 29/04/16 15:28, Peng Fan wrote:
> Hi Julien,
Hello Peng,
> On Thu, Apr 28, 2016 at 02:14:58PM +0100, Julien Grall wrote:
>>> Is there any big difference between XEN SMMU driver and linux SMMU driver?
>>> I know that XEN only support Stage 2. But the initliaization flow is almost the same.
>>
>> The SMMU driver for Xen is a port from Linux 3.19-rc0. Since then the Linux
>> driver has been reworked and it might be possible that we have missed some
>> bug fix.
>>
>> Aside that, for Xen, the page tables are always shared between the SMMU and
>> the processor.
>
> Thanks. I shared two picture that dumped using TRACE32.
>
> https://drive.google.com/file/d/0B9ruJqJLIGp7cHhhSFNSNC00MHc/view?usp=sharing
> https://drive.google.com/file/d/0B9ruJqJLIGp7dmlqVllXYTIxajQ/view?usp=sharing
>
> Would you please help check?
I am sorry but I have got no idea what each columns are supposed to
contain. Can you share more details?
Regards,
--
Julien Grall
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next prev parent reply other threads:[~2016-05-03 10:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 8:54 SMMU, Unhandled context fault Peng Fan
2016-04-26 10:28 ` Julien Grall
2016-04-26 11:50 ` Peng Fan
2016-04-26 13:12 ` Edgar E. Iglesias
2016-04-26 13:56 ` Peng Fan
2016-04-26 14:30 ` Edgar E. Iglesias
2016-04-27 2:02 ` Peng Fan
2016-04-27 9:58 ` Julien Grall
2016-04-28 2:37 ` Peng Fan
2016-04-28 6:39 ` Peng Fan
2016-04-28 10:27 ` Julien Grall
2016-04-28 12:56 ` Peng Fan
2016-04-28 13:14 ` Julien Grall
2016-04-29 14:28 ` Peng Fan
2016-05-03 10:58 ` Julien Grall [this message]
2016-05-03 13:58 ` Peng Fan
2016-05-06 12:48 ` Julien Grall
2016-05-08 11:52 ` Peng Fan
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