search for: need_modify_vtd_t

Displaying 2 results from an estimated 2 matches for "need_modify_vtd_t".

2011 Mar 15
6
[PATCH] ept: Fix bug in changeset 22526:7a5ee3800417
...|| @@ -390,10 +392,10 @@ new_entry.access = p2ma; new_entry.rsvd2_snp = (iommu_enabled && iommu_snoop); - if ( new_entry.mfn == mfn_x(mfn) ) + new_entry.mfn = mfn_x(mfn); + + if ( old_entry.mfn == new_entry.mfn ) need_modify_vtd_table = 0; - else - new_entry.mfn = mfn_x(mfn); ept_p2m_type_to_flags(&new_entry, p2mt, p2ma); } @@ -438,10 +440,12 @@ new_entry.access = p2ma; new_entry.rsvd2_snp = (iommu_enabled && iommu_snoop); - if ( new_ent...
2012 Dec 10
26
[PATCH 00/11] Add virtual EPT support Xen.
From: Zhang Xiantao <xiantao.zhang@intel.com> With virtual EPT support, L1 hyerpvisor can use EPT hardware for L2 guest''s memory virtualization. In this way, L2 guest''s performance can be improved sharply. According to our testing, some benchmarks can show > 5x performance gain. Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Zhang Xiantao (11):