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Re: [Xen-devel] Re: [PATCH 4/5] xen: Fix the memory registration to refl
| To: | Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [PATCH 4/5] xen: Fix the memory registration to reflect of what is done by Xen. |
| From: | Anthony PERARD <anthony.perard@xxxxxxxxxx> |
| Date: | Mon, 18 Jul 2011 16:29:02 +0100 |
| Cc: | Anthony PERARD <anthony.perard@xxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Alexander Graf <agraf@xxxxxxx>, QEMU-devel <qemu-devel@xxxxxxxxxx> |
| Delivery-date: | Mon, 18 Jul 2011 08:30:14 -0700 |
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| References: | <1310740376-13323-1-git-send-email-anthony.perard@xxxxxxxxxx> <1310740376-13323-5-git-send-email-anthony.perard@xxxxxxxxxx> <alpine.DEB.2.00.1107151757410.12963@kaball-desktop> <CAJJyHjLF=aAXENdBTbyC9YGdYTH8tZ=HOXYAavi65EC=vE8sSw@xxxxxxxxxxxxxx> <alpine.DEB.2.00.1107181213380.12963@kaball-desktop> |
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On Mon, Jul 18, 2011 at 12:14, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote: > On Fri, 15 Jul 2011, Anthony PERARD wrote: >> On Fri, Jul 15, 2011 at 18:05, Stefano Stabellini >> <stefano.stabellini@xxxxxxxxxxxxx> wrote: >> > Shouldn't we avoid registering any memory for the whole video ram area? >> > I mean: >> > >> > 0xa0000 - 0x100000 >> >> No, because SeaBIOS load the Options ROM (VGA Bios, PXE) to the area >> between 0xc0000 and 0x100000, and this go through QEMU. >> >> The area between 0xa0000 and 0xc0000 is registred later by the >> cirrus_vga bits, as IO. > > OK. Can you please expand your comment in the code with the same > explanation? Yes, I will do that. -- Anthony PERARD _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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