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authorHuang, Ying <ying.huang@intel.com>2008-01-30 13:32:51 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:32:51 +0100
commit6d7d7433750c7c6eec93d7b3206019e329228686 (patch)
tree994af4318b30f79ab820438c68c8ef7d932d9d01 /arch/x86/kernel/setup64.c
parent4d022e35fd7e07c522c7863fee6f07e53cf3fc14 (diff)
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 'arch/x86/kernel/setup64.c')
-rw-r--r--arch/x86/kernel/setup64.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup64.c b/arch/x86/kernel/setup64.c
index 3b0ffa31f3c0..8fa0de810d0b 100644
--- a/arch/x86/kernel/setup64.c
+++ b/arch/x86/kernel/setup64.c
@@ -24,7 +24,11 @@
#include <asm/sections.h>
#include <asm/setup.h>
+#ifndef CONFIG_DEBUG_BOOT_PARAMS
struct boot_params __initdata boot_params;
+#else
+struct boot_params boot_params;
+#endif
cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;