From: Sheng Yang <sheng@linux.intel.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, Sheng Yang <sheng@linux.intel.com>
Subject: [PATCH] KVM: Fix EPT identity IOCTL on 32pae
Date: Mon, 3 Aug 2009 14:17:27 +0800 [thread overview]
Message-ID: <1249280247-6732-1-git-send-email-sheng@linux.intel.com> (raw)
Copy u64 from guest result in chaos.
Also fix a mistake of still using old macro rather than new variable().
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
---
arch/x86/kvm/vmx.c | 2 +-
arch/x86/kvm/x86.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 7931c72..c5aaa1b 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2199,7 +2199,7 @@ static int alloc_identity_pagetable(struct kvm *kvm)
goto out;
kvm->arch.ept_identity_pagetable = gfn_to_page(kvm,
- VMX_EPT_IDENTITY_PAGETABLE_ADDR >> PAGE_SHIFT);
+ kvm->arch.ept_identity_map_addr >> PAGE_SHIFT);
out:
up_write(&kvm->slots_lock);
return r;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2539e9a..977b705 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2178,7 +2178,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
goto out;
break;
case KVM_SET_IDENTITY_MAP_ADDR: {
- u64 ident_addr;
+ unsigned long ident_addr;
r = -EFAULT;
if (copy_from_user(&ident_addr, argp, sizeof ident_addr))
--
1.5.4.5
next reply other threads:[~2009-08-03 6:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-03 6:17 Sheng Yang [this message]
2009-08-03 11:48 ` [PATCH] KVM: Fix EPT identity IOCTL on 32pae Jan Kiszka
2009-08-03 12:25 ` Avi Kivity
2009-08-03 13:38 ` Sheng Yang
2009-08-03 16:47 ` Marcelo Tosatti
2009-08-03 16:50 ` Sheng Yang
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