From 46eaa6702016e3ac9a188172a2c309d6ca1be1cd Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 12 Oct 2008 15:06:29 +0200
Subject: [PATCH] x86: memory corruption check - cleanup

Move the prototypes from the generic kernel.h header to the more
appropriate include/asm-x86/bios_ebda.h header file.

Also, remove the check from the power management code - this is a
pure x86 matter for now.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/init_32.c       |  1 +
 arch/x86/mm/init_64.c       |  1 +
 drivers/base/power/main.c   |  1 -
 include/asm-x86/bios_ebda.h | 17 +++++++++++++++++
 include/linux/kernel.h      | 17 -----------------
 5 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 7e05462ffb11..bbe044dbe014 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -31,6 +31,7 @@
 #include <linux/cpumask.h>
 
 #include <asm/asm.h>
+#include <asm/bios_ebda.h>
 #include <asm/processor.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index d84d3e91d348..3e10054c5731 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -31,6 +31,7 @@
 #include <linux/nmi.h>
 
 #include <asm/processor.h>
+#include <asm/bios_ebda.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index bf6d3554e506..273a944d4040 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -254,7 +254,6 @@ static char *pm_verb(int event)
 
 static void pm_dev_dbg(struct device *dev, pm_message_t state, char *info)
 {
-	check_for_bios_corruption();
 	dev_dbg(dev, "%s%s%s\n", info, pm_verb(state.event),
 		((state.event & PM_EVENT_SLEEP) && device_may_wakeup(dev)) ?
 		", may wakeup" : "");
diff --git a/include/asm-x86/bios_ebda.h b/include/asm-x86/bios_ebda.h
index ec42ed874591..79b4b88505d7 100644
--- a/include/asm-x86/bios_ebda.h
+++ b/include/asm-x86/bios_ebda.h
@@ -16,4 +16,21 @@ static inline unsigned int get_bios_ebda(void)
 
 void reserve_ebda_region(void);
 
+#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
+/*
+ * This is obviously not a great place for this, but we want to be
+ * able to scatter it around anywhere in the kernel.
+ */
+void check_for_bios_corruption(void);
+void start_periodic_check_for_corruption(void);
+#else
+static inline void check_for_bios_corruption(void)
+{
+}
+
+static inline void start_periodic_check_for_corruption(void)
+{
+}
+#endif
+
 #endif /* ASM_X86__BIOS_EBDA_H */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 50873b211788..2651f805ba6d 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -240,23 +240,6 @@ extern const char *print_tainted(void);
 extern void add_taint(unsigned);
 extern int root_mountflags;
 
-#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
-/*
- * This is obviously not a great place for this, but we want to be
- * able to scatter it around anywhere in the kernel.
- */
-void check_for_bios_corruption(void);
-void start_periodic_check_for_corruption(void);
-#else
-static inline void check_for_bios_corruption(void)
-{
-}
-
-static inline void start_periodic_check_for_corruption(void)
-{
-}
-#endif
-
 /* Values used for system_state */
 extern enum system_states {
 	SYSTEM_BOOTING,
-- 
2.20.1