[PATCH 1/4] kvm: x86: Add CONFIG_KVM_DEBUG

[Yi Wang]

There are some *_debug functions in KVM, it may be
better to introduce CONFIG_DEBUG_KVM to replace the
*_debug macro, which can avoid bloating and slowing KVM,
as Sean suggested.

Signed-off-by: Yi Wang <wang.yi59@xxxxxxxxxx>
---
 arch/x86/kvm/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index fc04241..7e76eb2 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -95,6 +95,14 @@ config KVM_MMU_AUDIT
 	 This option adds a R/W kVM module parameter 'mmu_audit', which allows
 	 auditing of KVM MMU events at runtime.
 
+config KVM_DEBUG
+	bool "Enable KVM debugging"
+	default n
+	depends on KVM
+	---help---
+	Say Y here if you want to enable verbose KVM debug output.
+
+
 # OK, it's a little counter-intuitive to do this, but it puts it neatly under
 # the virtualization menu.
 source "drivers/vhost/Kconfig"
-- 
1.8.3.1