Messages in this thread | | | Date | Thu, 07 Aug 2008 17:23:36 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH]Fix broken VMI in 2.6.27-rc.. |
| |
H. Peter Anvin wrote: >> Having fixmaps at link-time fixed addresses would be nice, I suppose, >> but hardly worth going to vast effort over. >> > > No, but it's hardly vast effort, either.
Well, off you go.
> Yes, and we should add a symbol for the bottom of the 1:1 area as well > (to disambiguate it from TASK_SIZE). >
Well, that's already called "PAGE_OFFSET". 64-bit needs to be careful about the distinction anyway, because there's the sign extension hole between user and kernel space. Xen squeezes itself in just above the hole, so I moved PAGE_OFFSET up accordingly.
J
| |