Messages in this thread | | | Date | Tue, 17 Jun 2008 16:13:34 -0700 | From | Chris Wright <> | Subject | Re: [stable] [PATCH 2/2] xen: don't drop NX bit |
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* Greg KH (greg@kroah.com) wrote: > On Mon, Jun 16, 2008 at 03:01:56PM -0700, Jeremy Fitzhardinge wrote: > > When converting the pfn/mfn in a pagetable entry, make sure we mask > > out the protection flags properly. Formerly, this code was losing the > > NX bit, and not dealing with extra Xen-defined software flags in ptes. > > > > Because NX is now enforced properly, we must put the hypercall page > > into the .text segment so that it is executable. > > > > Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> > > Cc: Stable Kernel <stable@kernel.org> > > While it's great that you tell the stable people about this, but is it > realistic? Is anyone using Xen as contained in the mainline kernel > these days? > > If a distro were to be based on 2.6.25 and we take this patch, they will > just revert it back out due to their very large Xen patchset they apply > on top to get a "working" Xen version, right?
Fedora uses proper pv-ops for Xen. It's a good -stable candidate.
Acked-by: Chris Wright <chrisw@sous-sol.org>
thanks, -chris
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