[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1/4] x86: add FIX_HOLE
>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 27.10.08 13:06 >>> >If no explanation can be given as to why this makes the highmem-assist patch >work, I can only reasonably take neither patch. Okay, okay, I recalled the problem after some staring at fixmap.h: The BUG_ON() in virt_to_fix() would trigger on FIX_PAE_HIGHMEM_0 without the hole, as fix_to_virt() on that index returns FIXADDR_TOP. >On 27/10/08 11:38, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > >> I have to admit that I don't recall the exact details of where I ran >> into a problem without this change, but it's a prerequisite for the >> highmem-assist patch. >> >> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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