The patch titled
KVM: API versioning
has been added to the -mm tree. Its filename is
kvm-api-versioning.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: KVM: API versioning
From: Avi Kivity <avi@xxxxxxxxxxxx>
Add compile-time and run-time API versioning.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/kvm_main.c | 3 +++
include/linux/kvm.h | 3 +++
2 files changed, 6 insertions(+)
diff -puN drivers/kvm/kvm_main.c~kvm-api-versioning drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c~kvm-api-versioning
+++ a/drivers/kvm/kvm_main.c
@@ -1603,6 +1603,9 @@ static long kvm_dev_ioctl(struct file *f
int r = -EINVAL;
switch (ioctl) {
+ case KVM_GET_API_VERSION:
+ r = KVM_API_VERSION;
+ break;
case KVM_CREATE_VCPU: {
r = kvm_dev_ioctl_create_vcpu(kvm, arg);
if (r)
diff -puN include/linux/kvm.h~kvm-api-versioning include/linux/kvm.h
--- a/include/linux/kvm.h~kvm-api-versioning
+++ a/include/linux/kvm.h
@@ -11,6 +11,8 @@
#include <asm/types.h>
#include <linux/ioctl.h>
+#define KVM_API_VERSION 1
+
/*
* Architectural interrupt line count, and the size of the bitmap needed
* to hold them.
@@ -209,6 +211,7 @@ struct kvm_dirty_log {
#define KVMIO 0xAE
+#define KVM_GET_API_VERSION _IO(KVMIO, 1)
#define KVM_RUN _IOWR(KVMIO, 2, struct kvm_run)
#define KVM_GET_REGS _IOWR(KVMIO, 3, struct kvm_regs)
#define KVM_SET_REGS _IOW(KVMIO, 4, struct kvm_regs)
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
kvm-add-valid_vcpu-helper.patch
kvm-amd-svm-handle-msr_star-in-32-bit-mode.patch
kvm-amd-svm-save-and-restore-the-floating-point-unit.patch
kvm-use-more-traditional-error-handling-in-kvm_mmu_init.patch
kvm-do-not-export-unsupported-msrs-to-userspace.patch
kvm-do-not-export-unsupported-msrs-to-userspace-tweak.patch
kvm-force-real-mode-cs-limit-to-64k.patch
kvm-handle-p5-mce-msrs.patch
kvm-api-versioning.patch
-
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