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xen-devel
Re: [Xen-devel] Re: Linux Stubdom Problem
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To: |
Tim Deegan <tim@xxxxxxx> |
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Subject: |
Re: [Xen-devel] Re: Linux Stubdom Problem |
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From: |
Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> |
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Date: |
Mon, 29 Aug 2011 13:27:44 +0100 |
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Cc: |
"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Samuel, Wilk <konrad.wilk@xxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Konrad, Jiageng Yu <yujiageng734@xxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxx>, Thibault <samuel.thibault@xxxxxxxxxxxx> |
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Mon, 29 Aug 2011 05:20:56 -0700 |
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References: |
<CAJ0pt15MVvw5_rJ_xFxR6aQpRYtTWFmR0OHJ54wuXSE+7hNkGQ@xxxxxxxxxxxxxx> <alpine.DEB.2.00.1107291628000.12963@kaball-desktop> <CAJ0pt155eqcyUwd-m--m3n+t-hLYixe+xA8J5MWgEWj58+o_Gw@xxxxxxxxxxxxxx> <CAJ0pt14OXshWn5NQ3JSfqRNdHkWMyhKWC0OwMixu9Xmk0b1oqw@xxxxxxxxxxxxxx> <alpine.DEB.2.00.1108190027450.12963@kaball-desktop> <CAJ0pt16CLqt+bHUwvO_V=c39CqN4Y4BCgbcSW26wik4hFTHq_g@xxxxxxxxxxxxxx> <alpine.DEB.2.00.1108221834340.12963@kaball-desktop> <20110823100719.GD96414@xxxxxxxxxxxxxxxxxxxxx> <alpine.DEB.2.00.1108231350380.12963@kaball-desktop> <alpine.DEB.2.00.1108261709210.12963@kaball-desktop> <20110827130657.GA44193@xxxxxxxxxxxxxxxxxxxxx> |
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Alpine 2.00 (DEB 1167 2008-08-23) |
On Sat, 27 Aug 2011, Tim Deegan wrote:
> At 17:12 +0100 on 26 Aug (1314378720), Stefano Stabellini wrote:
> > It looks like XENMAPSPACE_grant_table is actually meant to map grant
> > table pages, meaning pages that are part of the grant table, not pages
> > that are referenced by the grant table.
>
> So it is; I had misremembered the interface. GNTTABOP_map_grant_ref is
> the hypercall to map granted pages into the p2m.
Are you sure? I think that GNTTABOP_map_grant_ref maps foreign granted
pages into our own domain, in fact it takes a domid and a grant table
reference as input parameters to specify the source page, host_addr is
the destination in our own domain.
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