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authorMarcelo Tosatti <mtosatti@redhat.com>2008-02-22 12:21:36 -0500
committerAvi Kivity <avi@qumranet.com>2008-04-27 12:00:25 +0300
commit0cf1bfd2737f41e59f974a61eab11af206d2042a (patch)
tree4edd67efa000f4cb94ef834daa21ac07c2016989 /include/linux/kvm_para.h
parenta28e4f5a621289fe0d9c8a461b0c256f9e17f3bc (diff)
downloadop-kernel-dev-0cf1bfd2737f41e59f974a61eab11af206d2042a.zip
op-kernel-dev-0cf1bfd2737f41e59f974a61eab11af206d2042a.tar.gz
x86: KVM guest: add basic paravirt support
Add basic KVM paravirt support. Avoid vm-exits on IO delays. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/linux/kvm_para.h')
-rw-r--r--include/linux/kvm_para.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h
index 5497aac..9c462c9 100644
--- a/include/linux/kvm_para.h
+++ b/include/linux/kvm_para.h
@@ -20,6 +20,12 @@
#include <asm/kvm_para.h>
#ifdef __KERNEL__
+#ifdef CONFIG_KVM_GUEST
+void __init kvm_guest_init(void);
+#else
+#define kvm_guest_init() do { } while (0)
+#endif
+
static inline int kvm_para_has_feature(unsigned int feature)
{
if (kvm_arch_para_features() & (1UL << feature))
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