linux-kernel - Re: [PATCH v2 3/3] xen/swiotlb: remember having called xen_create_contiguous

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Message-ID: <2fbfc6a7-572c-1ce2-3323-802f9a77500e@suse.com>
Date:   Fri, 31 May 2019 13:38:11 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Christoph Hellwig <hch@...radead.org>
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v2 3/3] xen/swiotlb: remember having called
 xen_create_contiguous_region()

On 30/05/2019 14:46, Boris Ostrovsky wrote:
> 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.

What about me adding another patch moving those Xen private aliases
into arch/x86/include/asm/xen/page.h ?


Juergen