Re: [Xen-devel] [PATCH] x86/p2m-pt: delay freeing of intermediate page tables

2015-09-29 Thread Wei Liu
On Tue, Sep 29, 2015 at 04:51:46AM -0600, Jan Beulich wrote: > Old intermediate page tables must be freed only after IOMMU side > updates/flushes have got carried out. > > Signed-off-by: Jan Beulich Release-acked-by: Wei Liu ___ Xen-devel mailing lis

Re: [Xen-devel] [PATCH] x86/p2m-pt: delay freeing of intermediate page tables

2015-09-29 Thread George Dunlap
On 29/09/15 11:51, Jan Beulich wrote: > Old intermediate page tables must be freed only after IOMMU side > updates/flushes have got carried out. > > Signed-off-by: Jan Beulich Reviewed-by: George Dunlap > --- > This was split out from a previously submitted patch. > > --- a/xen/arch/x86/mm/p2

[Xen-devel] [PATCH] x86/p2m-pt: delay freeing of intermediate page tables

2015-09-29 Thread Jan Beulich
Old intermediate page tables must be freed only after IOMMU side updates/flushes have got carried out. Signed-off-by: Jan Beulich --- This was split out from a previously submitted patch. --- a/xen/arch/x86/mm/p2m-pt.c +++ b/xen/arch/x86/mm/p2m-pt.c @@ -487,8 +487,9 @@ p2m_pt_set_entry(struct p2