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Re: [Xen-devel] Re: [Xen-staging] [xen-unstable] linux: User-space grant

To: Alex Williamson <alex.williamson@xxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [Xen-staging] [xen-unstable] linux: User-space grant table device.
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Sat, 31 Mar 2007 16:36:59 +0100
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On 31/3/07 16:33, "Alex Williamson" <alex.williamson@xxxxxx> wrote:

>> + /* This flag ensures that the page tables are not unpinned before the
>> +  * VM area is unmapped. Therefore Xen still recognises the PTE as
>> +  * belonging to an L1 pagetable, and the grant unmap operation will
>> +  * succeed, even if the process does not exit cleanly.
>> +  */
>> + vma->vm_mm->context.has_foreign_mappings = 1;
>    mm_context_t is arch specific, common code shouldn't be poking at it
> like this.

Good point. That part is entirely x86-specific. I'll add an ifdef.

 -- Keir

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