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

[Xen-devel] [PATCH] Re: about fixup_page_fault



Don't ever call the shadow code to fix a page fault in an external-mode
guest if the fault came from Xen; it would be making changes to the
wrong pagetables, potentially causing a pagefault loop in Xen.

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>


At 11:08 +0000 on 17 Dec (1229512101), Keir Fraser wrote:
> I certainly think that something like the patch you proposed would cause a
> better failure mode.
> 
> Kevin: Can you try out what Tim proposed and if it indeed makes things
> better (at least, you get a proper crash!) we should get that checked in.
> 
>  -- Keir

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]

Attachment: paging-callback
Description: Text document

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

 


Rackspace

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