[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: [Xen-devel] Re: Reproducable data corruption on xen-unstable

It would be interesting to know whether you can reproduce in 2.0-testing

> -----Original Message-----
> From: Robin Green [mailto:greenrd@xxxxxxxxxxxxx] 
> Sent: 07 February 2005 15:36
> To: Ian Pratt
> Cc: Rik van Riel; xen-devel@xxxxxxxxxxxxxxxxxxxxx; 
> ian.pratt@xxxxxxxxxxxx
> Subject: RE: [Xen-devel] Re: Reproducable data corruption on 
> xen-unstable
> On Mon, 7 Feb 2005, Ian Pratt wrote:
> >> A few minutes ago, I wrote:
> >> Aha! Shouldn't the stts macro in xeno-linux be calling
> >> __HYPERVISOR_fpu_taskswitch instead of trying to write to 
> CR0 itself?
> >> Writing to CR0 directly is impossible in ring 1, isn't it?
> >
> > Please can you try the unstable tree: it has an extended instruction
> > emulator that was introduced to avoid some the code edits that some
> > people on the linux-kernel list were complaining about.
> Ah, sorry, I'm already using the unstable tree, but I'd 
> forgotten about 
> the emulation. So, never mind - it's not the use of mov _, 
> cr0 in ring 1 
> that's the problem; it must be something else. Disregard that post.
> -- 
> Robin

This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting
Tool for open source databases. Create drag-&-drop reports. Save time
by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc.
Download a FREE copy at http://www.intelliview.com/go/osdn_nl
Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.