On Wed, Sep 23, 2015 at 04:18:46PM +0100, Wei Liu wrote: > With the discussion still not finalised I'm a bit worried that this > issue will block the release. > > I think we have a few options here. I will list them in order of my > preference. Please correct me if I'm talking non-sense, and feel free to > add more options if I miss anything. > > 1. Disable PML on broken chips, gate access to A bit (or AD) with PML. > > In the sub-thread I had with Ross, the proposed patch already does that. > There is no need to "disable PML in broken chips" because that feature > is not supported by broken chips in the first place. > > The downside is that the overhead of gating with `if' statement which > makes things a tad slower for everyone. But that's not really reason to > reject this patch because any gating method would involve similar > overhead.
One could use alternative assembler for this. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
