Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6210e3...
Commit: 6210e37b122583643da335c0389f74098713e5ca
Parent: eca70fc5671b226966dfb7ee9953d59199288566
Author: Eduardo Habkost <ehabkost@redhat.com>
AuthorDate: Mon Nov 17 19:03:16 2008 -0200
Committer: Avi Kivity <avi@redhat.com>
CommitDate: Wed Dec 31 16:52:28 2008 +0200
KVM: VMX: move cpu_has_kvm_support() to an inline on asm/virtext.h
It will be used by core code on kdump and reboot, to disable
vmx if needed.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/include/asm/virtext.h | 31 +++++++++++++++++++++++++++++++
arch/x86/kvm/vmx.c | 4 ++--
2 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/virtext.h b/arch/x86/include/asm/virtext.h
new file mode 100644
index 0000000..298b6a0
--- /dev/null
+++ b/arch/x86/include/asm/virtext.h
@@ -0,0 +1,31 @@
+/* CPU virtualization extensions handling
+ *
+ * This should carry the code for handling CPU virtualization extensions
+ * that needs to live in the kernel core.
+ *
+ * Author: Eduardo Habkost <ehabkost@redhat.com>
+ *
+ * Copyright (C) 2008, Red Hat Inc.
+ *
+ * Contains code from KVM, Copyright (C) 2006 Qumranet, Inc.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ */
+#ifndef _ASM_X86_VIRTEX_H
+#define _ASM_X86_VIRTEX_H
+
+#include <asm/processor.h>
+#include <asm/system.h>
+
+/*
+ * VMX functions:
+ */
+
+static inline int cpu_has_vmx(void)
+{
+ unsigned long ecx = cpuid_ecx(1);
+ return test_bit(5, &ecx); /* CPUID.1:ECX.VMX[bit 5] -> VT */
+}
+
+#endif /* _ASM_X86_VIRTEX_H */
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ec71f64..defaeeb 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -31,6 +31,7 @@
#include ...
