Writes to such pages need to be handed to the emulator.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
---
v2: Return BAD_GFN_TO_MFN instead.
--- a/xen/arch/x86/mm/shadow/hvm.c
+++ b/xen/arch/x86/mm/shadow/hvm.c
@@ -338,6 +338,11 @@ static mfn_t emulate_gva_to_mfn(struct v
{
return _mfn(BAD_GFN_TO_MFN);
}
+ if ( p2mt == p2m_ioreq_server )
+ {
+ put_page(page);
+ return _mfn(BAD_GFN_TO_MFN);
+ }
if ( p2m_is_discard_write(p2mt) )
{
put_page(page);
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