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| author | Ingo Molnar <mingo@elte.hu> | 2008-02-06 22:39:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-02-06 22:39:45 +0100 |
| commit | 971a52d66a3e87d4d2f5d3455e62680447cdb8e9 (patch) | |
| tree | c55f87abe255ef85854ab36e7d081fd8e4d2aec1 /arch/x86/Kconfig.debug | |
| parent | x86: fix 64-bit sections (diff) | |
| download | linux-971a52d66a3e87d4d2f5d3455e62680447cdb8e9.tar.xz linux-971a52d66a3e87d4d2f5d3455e62680447cdb8e9.zip | |
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 <mingo@elte.hu>
Diffstat (limited to 'arch/x86/Kconfig.debug')
| -rw-r--r-- | arch/x86/Kconfig.debug | 4 |
1 files changed, 2 insertions, 2 deletions
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 |