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Re: [Xen-devel] [PATCH v2 3/3] xen/swiotlb: remember having called xen_create_contiguous_region()


  • To: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>
  • From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
  • Date: Thu, 30 May 2019 08:46:39 -0400
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  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
  • Delivery-date: Thu, 30 May 2019 12:50:14 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Openpgp: preference=signencrypt

On 5/30/19 5:04 AM, Christoph Hellwig wrote:
> Please don't add your private flag to page-flags.h.  The whole point of
> the private flag is that you can use it in any way you want withou
> touching the common code.


There is already a bunch of aliases for various sub-components
(including Xen) in page-flags.h for private flags, which is why I
suggested we do the same for the new use case. Adding this new alias
will keep flag usage consistent.

-boris

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