[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v5 8/9] libxc: rework of domain builder's page table handler
On Wed, Nov 18, 2015 at 11:11:16AM -0500, Boris Ostrovsky wrote: > On 11/12/2015 08:43 AM, Juergen Gross wrote: > >In order to prepare a p2m list outside of the initial kernel mapping > >do a rework of the domain builder's page table handler. The goal is > >to be able to use common helpers for page table allocation and setup > >for initial kernel page tables and page tables mapping the p2m list. > >This is achieved by supporting multiple mapping areas. The mapped > >virtual addresses of the single areas must not overlap, while the > >page tables of a new area added might already be partially present. > >Especially the top level page table is existing only once, of course. > > > >Currently restrict the number of mappings to 1 because the only mapping > >now is the initial mapping created by toolstack. There should not be > >behaviour change and guest visible change introduced. > > > >Signed-off-by: Juergen Gross <jgross@xxxxxxxx> > >Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx > >--- > > tools/libxc/xc_dom_x86.c | 479 > > ++++++++++++++++++++++++----------------------- > > tools/libxc/xg_private.h | 39 +--- > > 2 files changed, 252 insertions(+), 266 deletions(-) > > This broke PVH. I get a triple fault (somewhere in clear_page(), so the > guest have run a little) > Is there any output? We just noticed 32 bit pvgrub is broken. Not sure these two problems are related but the more information the better. Wei. > -boris > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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