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Re: [Xen-devel] [patch] pae: tlbflush linear page table updates




Actually, I spotted that create_pae_xen_mappings() was being called from completely the wrong paths in mod_l3_entry(). I've now fixed that -- it's possible that will fix your problems with no need for extra flushes. :-)

 -- Keir

On 9 Aug 2005, at 09:06, Keir Fraser wrote:

Out of interest, can you please try moving the flush_tlb_all() into mod_l3_entry(), at the following place:

        if ( unlikely(!UPDATE_ENTRY(l3, pl3e, ol3e, nl3e)) )
        {
            BUG_ON(!create_pae_xen_mappings(pl3e));
            flush_tlb_all(); /* <------- moved to here */
            put_page_from_l3e(nl3e, pfn);
            return 0;
        }

Hopefully that will work just as well.


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