linux-kernel - Re: [PATCH v10 00/12] Fix the on-flight DMA issue on system with amd iommu

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Message-ID: <20170816013150.GA24877@x1>
Date:   Wed, 16 Aug 2017 09:31:50 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Joerg Roedel <jroedel@...e.de>
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 00/12] Fix the on-flight DMA issue on system with amd
 iommu

On 08/15/17 at 06:18pm, Joerg Roedel wrote:
> On Wed, Aug 09, 2017 at 04:33:32PM +0800, Baoquan He wrote:
> > Baoquan He (12):
> >   iommu/amd: Detect pre enabled translation
> >   iommu/amd: add several helper functions
> >   Revert "iommu/amd: Suppress IO_PAGE_FAULTs in kdump kernel"
> >   iommu/amd: Define bit fields for DTE particularly
> >   iommu/amd: Add function copy_dev_tables()
> >   iommu/amd: copy old trans table from old kernel
> >   iommu/amd: Do sanity check for address translation and irq remap of
> >     old dev table entry
> >   iommu: Add is_attach_deferred call-back to iommu-ops
> >   iommu/amd: Use is_attach_deferred call-back
> >   iommu/amd: Allocate memory below 4G for dev table if translation
> >     pre-enabled
> >   iommu/amd: Don't copy GCR3 table root pointer
> >   iommu/amd: Disable iommu only if amd_iommu=off is specified
> 
> Applied all of them, thanks a lot for your continued effort, Baoquan!

Really appreciate your help and great suggestions on design and code
changes since the first post! Without your help I can't make it.