[PATCH v5 4/5] ACPI: Move BAD_MADT_ENTRY() to linux/acpi.h

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BAD_MADT_ENTRY() is arch independent and will be used for all
archs which parsing MADT table, so move it to linux/acpi.h to
simply the code.

Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
---
 arch/ia64/kernel/acpi.c     |    4 ----
 arch/x86/kernel/acpi/boot.c |    4 ----
 include/linux/acpi.h        |    4 ++++
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index af9d9e4..f7bd074 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -54,10 +54,6 @@
 #include <asm/sal.h>
 #include <asm/cyclone.h>
 
-#define BAD_MADT_ENTRY(entry, end) (                                        \
-		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
-
 #define PREFIX			"ACPI: "
 
 unsigned int acpi_cpei_override;
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 1dac942..123f9e3 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -53,10 +53,6 @@ EXPORT_SYMBOL(acpi_disabled);
 # include <asm/proto.h>
 #endif				/* X86 */
 
-#define BAD_MADT_ENTRY(entry, end) (					    \
-		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
-
 #define PREFIX			"ACPI: "
 
 int acpi_noirq;				/* skip ACPI IRQ initialization */
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 1151a1d..6a15ddd 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -108,6 +108,10 @@ static inline void acpi_initrd_override(void *data, size_t size)
 }
 #endif
 
+#define BAD_MADT_ENTRY(entry, end) (					    \
+		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
+		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
+
 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
 void __acpi_unmap_table(char *map, unsigned long size);
 int early_acpi_boot_init(void);
-- 
1.7.9.5

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