From: Andrii Anisov <andrii_ani...@epam.com> Taking decision by `need_iommu_pt_sync()` make us never kicking `iommu_iotlb_flush()` for IOMMUs which do share P2M with CPU. So check `has_iommu_pt()` instead.
Signed-off-by: Andrii Anisov <andrii_ani...@epam.com> --- Changes in v2: Fixed a missprint and a nit in a commit message xen/arch/arm/p2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c index 2394f97..059a391 100644 --- a/xen/arch/arm/p2m.c +++ b/xen/arch/arm/p2m.c @@ -1019,7 +1019,7 @@ static int __p2m_set_entry(struct p2m_domain *p2m, !mfn_eq(lpae_get_mfn(*entry), lpae_get_mfn(orig_pte)) ) p2m_free_entry(p2m, orig_pte, level); - if ( need_iommu_pt_sync(p2m->domain) && + if ( has_iommu_pt(p2m->domain) && (lpae_is_valid(orig_pte) || lpae_is_valid(*entry)) ) { unsigned int flush_flags = 0; -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel