aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-x86/trampoline.h
diff options
context:
space:
mode:
authorDong, Eddie <eddie.dong@intel.com>2008-01-07 04:14:20 -0500
committerAvi Kivity <avi@qumranet.com>2008-04-27 04:53:13 -0400
commit489f1d6526ab68ca1842398fa3ae95c597fe3d32 (patch)
treece86e117d8bc74c410ad8168928c036497a93eb8 /include/asm-x86/trampoline.h
parentc3bf9bc243092c53946fd6d8ebd6dc2f4e572d48 (diff)
KVM: MMU: Update shadow ptes on partial guest pte writes
A guest partial guest pte write will leave shadow_trap_nonpresent_pte in spte, which generates a vmexit at the next guest access through that pte. This patch improves this by reading the full guest pte in advance and thus being able to update the spte and eliminate the vmexit. This helps pae guests which use two 32-bit writes to set a single 64-bit pte. [truncation fix by Eric] Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com> Signed-off-by: Feng (Eric) Liu <eric.e.liu@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/asm-x86/trampoline.h')
0 files changed, 0 insertions, 0 deletions