Displaying 1 result from an estimated 1 matches for "hypervisor_access_uc_hvm_memory".
2013 Oct 30
3
[PATCH 4/4] XSA-60 security hole: flush cache when vmentry back to UC guest
...d, 15 insertions(+), 0 deletions(-)
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index df021de..47eb18d 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -68,6 +68,7 @@
#include <public/mem_event.h>
bool_t __read_mostly hvm_enabled;
+bool_t __read_mostly hypervisor_access_uc_hvm_memory;
unsigned int opt_hvm_debug_level __read_mostly;
integer_param("hvm_debug", opt_hvm_debug_level);
@@ -2483,6 +2484,9 @@ static enum hvm_copy_result __hvm_copy(
return HVMCOPY_unhandleable;
#endif
+ if ( unlikely(curr->arch.hvm_vcpu.cache_mode == NO_FILL_CACHE_MODE) )...