[1/4] kvm: x86: Add CONFIG_KVM_DEBUG
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Message ID 1561962071-25974-2-git-send-email-wang.yi59@zte.com.cn
State New
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  • kvm: x86: introduce CONFIG_KVM_DEBUG
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Commit Message

Yi Wang July 1, 2019, 6:21 a.m. UTC
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@zte.com.cn>
 arch/x86/kvm/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

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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"