[PATCH 2.6.21 review II] [10/10] VMI: Paravirt debug defaults off

From: Andi Kleen
Date: Sat Feb 10 2007 - 06:57:21 EST



From: Zachary Amsden <zach@xxxxxxxxxx>
Deliberate register clobber around performance critical inline code is great for
testing, bad to leave on by default. Many people ship with DEBUG_KERNEL turned
on, so stop making DEBUG_PARAVIRT default on.

Signed-off-by: Zachary Amsden <zach@xxxxxxxxxx>

diff -r 3a8033f42ecf arch/i386/Kconfig.debug
--- a/arch/i386/Kconfig.debug Fri Feb 02 17:33:35 2007 -0800
+++ b/arch/i386/Kconfig.debug Fri Feb 02 17:48:45 2007 -0800
@@ -89,7 +89,7 @@ config DOUBLEFAULT

config DEBUG_PARAVIRT
bool "Enable some paravirtualization debugging"
- default y
+ default n
depends on PARAVIRT && DEBUG_KERNEL
help
Currently deliberately clobbers regs which are allowed to be

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