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| author | Yinghai Lu <yhlu.kernel.send@gmail.com> | 2008-04-18 17:49:15 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-05-12 21:28:15 +0200 |
| commit | 0327318445d55808991a63137cfb698a90ab6adf (patch) | |
| tree | 7f69e3cdb237d38ed675e0206413b16397ff70fd | |
| parent | 492c2e476eac010962850006c49df326919b284c (diff) | |
| download | blackbird-op-linux-0327318445d55808991a63137cfb698a90ab6adf.tar.gz blackbird-op-linux-0327318445d55808991a63137cfb698a90ab6adf.zip | |
x86_64: simplify the memtest parameter setting
use CONFIG_MEMTEST only. if it is set, will have memtest=0 (disabled)
need to have memtest=4 in command line to test more patterns.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/x86/Kconfig | 30 | ||||
| -rw-r--r-- | arch/x86/mm/init_64.c | 5 |
2 files changed, 10 insertions, 25 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index fe361ae7ef2f..a1a9021146bc 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -419,35 +419,19 @@ config PARAVIRT endif -config MEMTEST_BOOTPARAM - bool "Memtest boot parameter" +config MEMTEST + bool "Memtest" depends on X86_64 default y help This option adds a kernel parameter 'memtest', which allows memtest - to be disabled at boot. If this option is selected, memtest - functionality can be disabled with memtest=0 on the kernel - command line. The purpose of this option is to allow a single - kernel image to be distributed with memtest built in, but not - necessarily enabled. - + to be set. + memtest=0, mean disabled; -- default + memtest=1, mean do 1 test pattern; + ... + memtest=4, mean do 4 test patterns. If you are unsure how to answer this question, answer Y. -config MEMTEST_BOOTPARAM_VALUE - int "Memtest boot parameter default value (0-4)" - depends on MEMTEST_BOOTPARAM - range 0 4 - default 0 - help - This option sets the default value for the kernel parameter - 'memtest', which allows memtest to be disabled at boot. If this - option is set to 0 (zero), the memtest kernel parameter will - default to 0, disabling memtest at bootup. If this option is - set to 4, the memtest kernel parameter will default to 4, - enabling memtest at bootup, and use that as pattern number. - - If you are unsure how to answer this question, answer 0. - config ACPI_SRAT def_bool y depends on X86_32 && ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 32ba13b0f818..c6d81316db65 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -431,7 +431,7 @@ static void __init init_gbpages(void) direct_gbpages = 0; } -#ifdef CONFIG_MEMTEST_BOOTPARAM +#ifdef CONFIG_MEMTEST static void __init memtest(unsigned long start_phys, unsigned long size, unsigned pattern) @@ -493,7 +493,8 @@ static void __init memtest(unsigned long start_phys, unsigned long size, } -static int memtest_pattern __initdata = CONFIG_MEMTEST_BOOTPARAM_VALUE; +/* default is disabled */ +static int memtest_pattern __initdata; static int __init parse_memtest(char *arg) { |
