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| author |   Huang, Ying <ying.huang@intel.com> | 2008-01-30 13:32:51 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:51 +0100 |
| commit | 6d7d7433750c7c6eec93d7b3206019e329228686 (patch) | |
| tree | 994af4318b30f79ab820438c68c8ef7d932d9d01 /arch/x86/kernel/setup_32.c | |
| parent | x86: reboot_{32|64}.c unification (diff) | |
| download | linux-dev-6d7d7433750c7c6eec93d7b3206019e329228686.tar.xz linux-dev-6d7d7433750c7c6eec93d7b3206019e329228686.zip | |
x86 boot : export boot_params via debugfs for debugging
This patch export the boot parameters via debugfs for debugging.
The files added are as follow:
boot_params/data : binary file for struct boot_params
boot_params/version : boot protocol version
This patch is based on 2.6.24-rc5-mm1 and has been tested on i386 and
x86_64 platform.
This patch is based on the Peter Anvin's proposal.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kernel/setup_32.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index 704550fdb84c..3bce4af60bb6 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -194,7 +194,11 @@ unsigned long saved_videomode; static char __initdata command_line[COMMAND_LINE_SIZE]; +#ifndef CONFIG_DEBUG_BOOT_PARAMS struct boot_params __initdata boot_params; +#else +struct boot_params boot_params; +#endif #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE) struct edd edd; |