On Mon, 2010-11-29 at 02:52 +0000, Ben Hutchings wrote: > On Sun, 2010-11-28 at 18:12 +0000, Ian Campbell wrote: > > On Sun, 2010-11-28 at 16:58 +0000, Ben Hutchings wrote: > > > On Tue, 2010-11-23 at 12:56 +0100, Lionel Elie Mamane wrote: > > > > On Tue, Nov 23, 2010 at 10:41:57AM +0100, Alexander Kurtz wrote: > > > > > > > > > The following bugs seem to be identical: > > > > > > > > > #601341 > > > > > #602418 > > > > > #604096 > > > > > > > > > They all seem to be fixed by this kernel: > > > > > http://xenbits.xen.org/people/ianc/ > > > > > > > > > I think it would be a good idea to > > > > > *) merge them all > > > > > *) assign to linux-2.6 > > > > > *) mark as affecting xserver-xorg > > > > > *) mark as patched > > > > > *) possibly mark them as RC > > > > > > > > That's all fine by me (as reporter of #601341 and #602418). > > > > > > > > Possibly the patch tag is not adequate as the exact > > > > read-to-apply-to-the-Debian-package patch is not there, just "one of > > > > the differences between the Debian package and > > > > http://xenbits.xen.org/people/ianc/ fixes this". > > > > > > Ian, can you identify which patch we're currently missing? > > > > They are the changes attached to "Reinstating GPU fixes to Xen flavour" > > on debian-kernel (<1290518224.5514.27.ca...@zakaz.uk.xensource.com>) > > last week. > [...] > > IIRC the original discussion regarding the omission of these changes > > from the last Xen pvops merge starts at > > <20100817192832.ga22...@wavehammer.waldi.eu.org> (on debian-kernel back > > in August). > > Thanks for the pointers. > > I agree with Bastian that some of these changes are really quite nasty. > Do you and other Xen developers have any plan for how to fix the GART > and TTM mapping problems in a cleaner way as Xen dom0 support goes > upstream?
I know that there is a plan to get rid of the _PAGE_IOMAP stuff altogether by simply arranging for a 1-1 mapping for the relevant device PFNs in the P2M array. However I'm not sure whether or not this knocks-on into a fix for the GART/TTM stuff. Konrad, do you have an idea how you plan to solve the GART/TTM issues upstream? > If there is no such plan then I would rather disable these drivers than > make them work temporarily with a hack. Thanks, Ian. -- Ian Campbell You will not be elected to public office this year.
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