The patch titled
KVM: Emulate IA32_MISC_ENABLE msr
has been added to the -mm tree. Its filename is
kvm-emulate-ia32_misc_enable-msr.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: KVM: Emulate IA32_MISC_ENABLE msr
From: Avi Kivity <avi@xxxxxxxxxxxx>
This allows netbsd 3.1 i386 to get further along installing.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/kvm.h | 1 +
drivers/kvm/kvm_main.c | 17 ++++++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff -puN drivers/kvm/kvm.h~kvm-emulate-ia32_misc_enable-msr drivers/kvm/kvm.h
--- a/drivers/kvm/kvm.h~kvm-emulate-ia32_misc_enable-msr
+++ a/drivers/kvm/kvm.h
@@ -242,6 +242,7 @@ struct kvm_vcpu {
u64 pdptrs[4]; /* pae */
u64 shadow_efer;
u64 apic_base;
+ u64 ia32_misc_enable_msr;
int nmsrs;
struct vmx_msr_entry *guest_msrs;
struct vmx_msr_entry *host_msrs;
diff -puN drivers/kvm/kvm_main.c~kvm-emulate-ia32_misc_enable-msr drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c~kvm-emulate-ia32_misc_enable-msr
+++ a/drivers/kvm/kvm_main.c
@@ -1226,6 +1226,9 @@ int kvm_get_msr_common(struct kvm_vcpu *
case MSR_IA32_APICBASE:
data = vcpu->apic_base;
break;
+ case MSR_IA32_MISC_ENABLE:
+ data = vcpu->ia32_misc_enable_msr;
+ break;
#ifdef CONFIG_X86_64
case MSR_EFER:
data = vcpu->shadow_efer;
@@ -1297,6 +1300,9 @@ int kvm_set_msr_common(struct kvm_vcpu *
case MSR_IA32_APICBASE:
vcpu->apic_base = data;
break;
+ case MSR_IA32_MISC_ENABLE:
+ vcpu->ia32_misc_enable_msr = data;
+ break;
default:
printk(KERN_ERR "kvm: unhandled wrmsr: 0x%x\n", msr);
return 1;
@@ -1600,6 +1606,10 @@ static u32 msrs_to_save[] = {
static unsigned num_msrs_to_save;
+static u32 emulated_msrs[] = {
+ MSR_IA32_MISC_ENABLE,
+};
+
static __init void kvm_init_msr_list(void)
{
u32 dummy[2];
@@ -1925,7 +1935,7 @@ static long kvm_dev_ioctl(struct file *f
if (copy_from_user(&msr_list, user_msr_list, sizeof msr_list))
goto out;
n = msr_list.nmsrs;
- msr_list.nmsrs = num_msrs_to_save;
+ msr_list.nmsrs = num_msrs_to_save + ARRAY_SIZE(emulated_msrs);
if (copy_to_user(user_msr_list, &msr_list, sizeof msr_list))
goto out;
r = -E2BIG;
@@ -1935,6 +1945,11 @@ static long kvm_dev_ioctl(struct file *f
if (copy_to_user(user_msr_list->indices, &msrs_to_save,
num_msrs_to_save * sizeof(u32)))
goto out;
+ if (copy_to_user(user_msr_list->indices
+ + num_msrs_to_save * sizeof(u32),
+ &emulated_msrs,
+ ARRAY_SIZE(emulated_msrs) * sizeof(u32)))
+ goto out;
r = 0;
break;
}
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
kvm-add-vm-exit-profiling-fix.patch
kvm-make-sure-there-is-a-vcpu-context-loaded-when.patch
kvm-fix-race-between-mmio-reads-and-injected-interrupts.patch
kvm-x86-emulator-fix-bit-string-instructions.patch
kvm-fix-bogus-pagefault-on-writable-pages.patch
kvm-svm-fix-svm-idt-confusion.patch
kvm-emulate-ia32_misc_enable-msr.patch
kvm-mmu-perform-access-checks-in-walk_addr.patch
kvm-mmu-report-nx-faults-to-the-guest.patch
kvm-svm-propagate-cpu-shutdown-events-to-userspace.patch
-
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