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Commit 2f558d40 authored by Stefano Stabellini's avatar Stefano Stabellini
Browse files

xen/x86: allow __set_phys_to_machine for autotranslate guests 



Allow __set_phys_to_machine to be called for autotranslate guests.
It can be used to keep track of phys_to_machine changes, however we
don't do anything with the information at the moment.

Signed-off-by: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
parent 4a19138c

arch/x86/xen/p2m.c

+3 −3
Original line number Diff line number Diff line
@@ -799,10 +799,10 @@ bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn) 
{

	unsigned topidx, mididx, idx;



	if (unlikely(xen_feature(XENFEAT_auto_translated_physmap))) {

		BUG_ON(pfn != mfn && mfn != INVALID_P2M_ENTRY);

	/* don't track P2M changes in autotranslate guests */

	if (unlikely(xen_feature(XENFEAT_auto_translated_physmap)))

		return true;

	}



	if (unlikely(pfn >= MAX_P2M_PFN)) {

		BUG_ON(mfn != INVALID_P2M_ENTRY);

		return true;