PATCH: Fix the logic when deassign the mmio ranges for vti-domain. When de-assign the mmio range, it should resume its original value for p2m value, otherwise, it may fail to determin mmio range's type.
Signed-off-by: Xiantao Zhang <xiantao.zh...@intel.com> diff -r 67f2e14613ef xen/arch/ia64/xen/mm.c --- a/xen/arch/ia64/xen/mm.c Tue Feb 10 13:47:02 2009 +0800 +++ b/xen/arch/ia64/xen/mm.c Tue Mar 03 15:04:54 2009 +0800 @@ -1508,8 +1508,14 @@ deassign_domain_mmio_page(struct domain return -EINVAL; } - for (; addr < end; addr += PAGE_SIZE ) - zap_domain_page_one(d, addr, 0, INVALID_MFN); + for (; addr < end; addr += PAGE_SIZE ) { + if (is_hvm_domain(d)) + __assign_domain_page(d, addr, GPFN_LOW_MMIO << PAGE_SHIFT, + ASSIGN_writable | ASSIGN_io); + else + zap_domain_page_one(d, addr, 0, INVALID_MFN); + } + return 0; }
fix_deassign_mmio.patch
Description: fix_deassign_mmio.patch
_______________________________________________ Xen-ia64-devel mailing list Xen-ia64-devel@lists.xensource.com http://lists.xensource.com/xen-ia64-devel