x86, boot: export linked list of struct setup_data via debugfs

Export linked list of struct setup_data via debugfs.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index e1a21d6b3671..b04e2c011e1a 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -278,7 +278,9 @@ static void __init parse_setup_data(void)
 		default:
 			break;
 		}
+#ifndef CONFIG_DEBUG_BOOT_PARAMS
 		free_early(pa_data, pa_data+sizeof(*data)+data->len);
+#endif
 		pa_data = data->next;
 		early_iounmap(data, PAGE_SIZE);
 	}