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From: lijiang <lijiang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: thomas.lendacky-5C7GfCeVMHo@public.gmane.org,
	kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org,
	hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org,
	tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
	dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH 3/4 v7] amd_iommu: remap the device table of IOMMU with the memory encryption mask for kdump
Date: Thu, 27 Sep 2018 10:40:49 +0800	[thread overview]
Message-ID: <bc9973a2-d3d3-19c2-11ab-3299ad2105c9@redhat.com> (raw)
In-Reply-To: <20180925120442.wmh6fjpdghxjyvio-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>

在 2018年09月25日 20:04, Joerg Roedel 写道:
> On Fri, Sep 07, 2018 at 04:18:04PM +0800, Lianbo Jiang wrote:
>> In kdump kernel, it will copy the device table of IOMMU from the old device
>> table, which is encrypted when SME is enabled in the first kernel. So we
>> have to remap the old device table with the memory encryption mask.
>>
>> Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
> 
> Please change the subject to:
> 
> 	iommu/amd: Remap the device table of IOMMU with the memory encryption mask for kdump
> 
> With that you can add my:
> 
> Acked-by: Joerg Roedel <jroedel@suse.de>
> 

Thank you, Joerg.
Sorry for my late reply. I will change the subject and resend this patch.

Thanks.
Lianbo
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  parent reply	other threads:[~2018-09-27  2:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-07  8:18 [PATCH 0/4 v7] Support kdump for AMD secure memory encryption(SME) Lianbo Jiang
     [not found] ` <20180907081805.368-1-lijiang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-09-07  8:18   ` [PATCH 1/4 v7] x86/ioremap: add a function ioremap_encrypted() to remap kdump old memory Lianbo Jiang
     [not found]     ` <20180907081805.368-2-lijiang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-09-26  2:21       ` Baoquan He
2018-09-07  8:18   ` [PATCH 2/4 v7] kexec: allocate unencrypted control pages for kdump in case SME is enabled Lianbo Jiang
2018-09-07  8:18   ` [PATCH 3/4 v7] amd_iommu: remap the device table of IOMMU with the memory encryption mask for kdump Lianbo Jiang
2018-09-25 12:04     ` Joerg Roedel
     [not found]       ` <20180925120442.wmh6fjpdghxjyvio-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-09-27  2:40         ` lijiang [this message]
2018-09-07  8:18   ` [PATCH 4/4 v7] kdump/vmcore: support encrypted old memory with SME enabled Lianbo Jiang
2018-09-25 19:10 ` [PATCH 0/4 v7] Support kdump for AMD secure memory encryption(SME) Lendacky, Thomas
     [not found]   ` <bdf6961d-3013-f707-bfc9-c55f0c02aba0@redhat.com>
2018-09-26  6:03     ` lijiang

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