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From: Sinan Kaya <okaya@codeaurora.org>
To: Will Deacon <will.deacon@arm.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
	Linux PCI <linux-pci@vger.kernel.org>,
	linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
	Nate Watterson <nwatters@codeaurora.org>,
	"shankerd@codeaurora.org" <shankerd@codeaurora.org>,
	Vikram Sethi <vikrams@codeaurora.org>,
	"Goel, Sameer" <sgoel@codeaurora.org>,
	kexec@lists.infradead.org, Joerg Roedel <joro@8bytes.org>,
	iommu@lists.linux-foundation.org,
	David Woodhouse <dwmw2@infradead.org>
Subject: Re: RFC on Kdump and PCIe on ARM64
Date: Fri, 2 Mar 2018 13:37:11 -0500	[thread overview]
Message-ID: <2f8e1f65-5f70-9556-5d96-c50421982f73@codeaurora.org> (raw)
In-Reply-To: <20180302180219.GB20579@arm.com>

On 3/2/2018 1:02 PM, Will Deacon wrote:
>> How about the points that Baoquan highlighted in his email regarding the
>> solution from AMD and X86?
> Which specific points do you think this proposal doesn't address?
> 

No specific concerns at this moment.

>> I have not read the entire thread but, is this just a matter of following
>> what Bjorn recommended or there is more to it?
> I'm trying to say how I think Bjorn's idea can be implemented for SMMUv3.
> I basically want to avoid a situation where the SMMU driver tries to walk
> the in-memory data structures left by a previous kernel and infer the
> setup from that.

Let me know if you have something to test. We have a test case with the
crash.

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.

  reply	other threads:[~2018-03-02 18:37 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-01 17:44 RFC on Kdump and PCIe on ARM64 Sinan Kaya
2018-03-01 19:05 ` Bjorn Helgaas
2018-03-01 19:19   ` Sinan Kaya
2018-03-02  0:03     ` Bjorn Helgaas
2018-03-02 10:30       ` Will Deacon
2018-03-02 14:12         ` Sinan Kaya
2018-03-02 18:02           ` Will Deacon
2018-03-02 18:37             ` Sinan Kaya [this message]
2018-03-02 14:20       ` Sinan Kaya
2018-03-02  1:44   ` Baoquan He

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