[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 8/8] npt/shadow: allow getting foreign page table entries
Current npt and shadow code to get an entry will always return INVALID_MFN for foreign entries. Allow to return the entry mfn for foreign entries, like it's done for grant table entries. Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> --- Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx> Cc: Jan Beulich <jbeulich@xxxxxxxx> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Cc: Wei Liu <wei.liu2@xxxxxxxxxx> --- xen/arch/x86/mm/p2m-pt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/mm/p2m-pt.c b/xen/arch/x86/mm/p2m-pt.c index 6238043aa6..973261a3a8 100644 --- a/xen/arch/x86/mm/p2m-pt.c +++ b/xen/arch/x86/mm/p2m-pt.c @@ -852,7 +852,8 @@ pod_retry_l1: unmap_domain_page(l1e); ASSERT(mfn_valid(mfn) || !p2m_is_ram(*t) || p2m_is_paging(*t)); - return (p2m_is_valid(*t) || p2m_is_grant(*t)) ? mfn : INVALID_MFN; + return (p2m_is_valid(*t) || p2m_is_grant(*t) || p2m_is_foreign(*t)) + ? mfn : INVALID_MFN; } static void p2m_pt_change_entry_type_global(struct p2m_domain *p2m, -- 2.20.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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