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| author | Andi Kleen <ak@suse.de> | 2008-01-30 13:33:42 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:42 +0100 |
| commit | 0c42f392767d3592e1cf676857d398ef69be7c9c (patch) | |
| tree | 0ae79fb0424ed9340ad973bea013251e05553be4 /arch/x86/Kconfig.debug | |
| parent | x86: clean up arch/x86/mm/pageattr_64.c (diff) | |
| download | linux-0c42f392767d3592e1cf676857d398ef69be7c9c.tar.xz linux-0c42f392767d3592e1cf676857d398ef69be7c9c.zip | |
c_p_a(): do a simple self test at boot
When CONFIG_DEBUG_RODATA is enabled undo the ro mapping and redo it again.
This gives some simple testing for change_page_attr().
Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/Kconfig.debug')
| -rw-r--r-- | arch/x86/Kconfig.debug | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 9bb61e1aed69..38211ff0447f 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -204,4 +204,9 @@ config DEBUG_BOOT_PARAMS help This option will cause struct boot_params to be exported via debugfs. +config CPA_DEBUG + bool "CPA self test code" + help + Do change_page_attr self tests at boot. + endmenu |