From 971a52d66a3e87d4d2f5d3455e62680447cdb8e9 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 6 Feb 2008 22:39:45 +0100 Subject: x86: delay CPA self-test and repeat it delay the CPA self-test so that any impact (corruption) of user-space pagetables can be triggered. Repeat the test every 30 seconds. this would have prevented the bug fixed by 8cb2a7c1e95e472b5, at its source. Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.debug | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/x86/Kconfig.debug') diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 2e1e3af28c3a..fa555148823d 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -220,9 +220,9 @@ config DEBUG_BOOT_PARAMS This option will cause struct boot_params to be exported via debugfs. config CPA_DEBUG - bool "CPA self test code" + bool "CPA self-test code" depends on DEBUG_KERNEL help - Do change_page_attr self tests at boot. + Do change_page_attr() self-tests every 30 seconds. endmenu -- cgit v1.2.3