This is an incremental fix on top of Ben-Ami reserved-pages-mmio patch. I need this for the reserved-ram 1:1 patch because I must allow to map reserved pages with a valid pfn in the user address space of the kvm task. This is because those reserved pages aren't mmio regions for me but the real backing of the guest physical ram.
Reserved pages can be mapped through the ->fault api just fine, as long as a pfn exists for them, and the reserved-ram patch ensures that a pfn exists for them and that they're marked reserved as expected by special ram reserved at boot time. Signed-off-by: Andrea Arcangeli <[EMAIL PROTECTED]> kvm_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) Index: virt/kvm/kvm_main.c --- virt/kvm/kvm_main.c.orig 2008-06-25 02:39:51.000000000 +0200 +++ a/virt/kvm/kvm_main.c 2008-06-25 02:40:35.000000000 +0200 @@ -604,10 +604,9 @@ struct page *gfn_to_page(struct kvm *kvm pfn_t pfn; pfn = gfn_to_pfn(kvm, gfn); - if (!is_mmio_pfn(pfn)) + if (pfn_valid(pfn)) return pfn_to_page(pfn); - - WARN_ON(is_mmio_pfn(pfn)); + WARN_ON(1); get_page(bad_page); return bad_page; -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html