[PATCH 17/21] [PATCH] move definitions to processor.h

From: Glauber de Oliveira Costa
Date: Mon Dec 17 2007 - 20:46:22 EST

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This patch moves definitions that are present in only one of the files
(between processor_32.h and processor_64.h), to processor.h. They're mostly
structures and function definitions.

Signed-off-by: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
---
arch/x86/kernel/cpu/common.c | 2 +-
arch/x86/kernel/setup_64.c | 2 +-
include/asm-x86/processor.h | 41 ++++++++++++++++++++++++++++++++++++++++
include/asm-x86/processor_32.h | 35 ----------------------------------
include/asm-x86/processor_64.h | 6 -----
5 files changed, 43 insertions(+), 43 deletions(-)

Index: linux-2.6-x86/arch/x86/kernel/cpu/common.c
===================================================================
--- linux-2.6-x86.orig/arch/x86/kernel/cpu/common.c
+++ linux-2.6-x86/arch/x86/kernel/cpu/common.c
@@ -399,7 +399,7 @@ __setup("serialnumber", x86_serial_nr_se
/*
* This does the hard work of actually picking apart the CPU stuff...
*/
-static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
+void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
{
int i;

Index: linux-2.6-x86/arch/x86/kernel/setup_64.c
===================================================================
--- linux-2.6-x86.orig/arch/x86/kernel/setup_64.c
+++ linux-2.6-x86/arch/x86/kernel/setup_64.c
@@ -768,7 +768,7 @@ static void __cpuinit init_amd(struct cp
disable_apic_timer = 1;
}

-static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
+void __cpuinit detect_ht(struct cpuinfo_x86 *c)
{
#ifdef CONFIG_SMP
u32 eax, ebx, ecx, edx;
Index: linux-2.6-x86/include/asm-x86/processor.h
===================================================================
--- linux-2.6-x86.orig/include/asm-x86/processor.h
+++ linux-2.6-x86/include/asm-x86/processor.h
@@ -92,7 +92,12 @@ struct cpuinfo_x86 {
#define X86_VENDOR_NUM 9
#define X86_VENDOR_UNKNOWN 0xff

+/*
+ * capabilities of CPUs
+ */
extern struct cpuinfo_x86 boot_cpu_data;
+extern struct cpuinfo_x86 new_cpu_data;
+extern struct tss_struct doublefault_tss;

#ifdef CONFIG_SMP
DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);
@@ -103,11 +108,22 @@ DECLARE_PER_CPU(struct cpuinfo_x86, cpu_
#define current_cpu_data boot_cpu_data
#endif

+void cpu_detect(struct cpuinfo_x86 *c);
+
+extern void identify_cpu(struct cpuinfo_x86 *);
+extern void identify_boot_cpu(void);
+extern void identify_secondary_cpu(struct cpuinfo_x86 *);
extern void print_cpu_info(struct cpuinfo_x86 *);
extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
extern unsigned short num_cache_leaves;

+#if defined(CONFIG_X86_HT) || defined(CONFIG_X86_64)
+extern void detect_ht(struct cpuinfo_x86 *c);
+#else
+static inline void detect_ht(struct cpuinfo_x86 *c) {}
+#endif
+
static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
@@ -201,6 +217,11 @@ struct tss_struct {

DECLARE_PER_CPU(struct tss_struct, init_tss);

+/* Save the original ist values for checking stack pointers during debugging */
+struct orig_ist {
+ unsigned long ist[7];
+};
+
#ifdef CONFIG_X86_32
# include "processor_32.h"
#else
@@ -543,8 +564,28 @@ extern void select_idle_routine(const st

extern unsigned long boot_option_idle_override;

+extern void enable_sep_cpu(void);
+extern int sysenter_setup(void);
+
+/* Defined in head.S */
+extern struct desc_ptr early_gdt_descr;
+
+extern void cpu_set_gdt(int);
+extern void switch_to_new_gdt(void);
+extern void cpu_init(void);
+extern void init_gdt(int cpu);
+
+/* from system description table in BIOS. Mostly for MCA use, but
+ * others may find it useful. */
+extern unsigned int machine_id;
+extern unsigned int machine_submodel_id;
+extern unsigned int BIOS_revision;
+extern unsigned int mca_pentium_flag;
+
/* Boot loader type from the setup header */
extern int bootloader_type;
+
+extern char ignore_fpu_irq;
#define cache_line_size() (boot_cpu_data.x86_cache_alignment)

#define HAVE_ARCH_PICK_MMAP_LAYOUT 1
Index: linux-2.6-x86/include/asm-x86/processor_32.h
===================================================================
--- linux-2.6-x86.orig/include/asm-x86/processor_32.h
+++ linux-2.6-x86/include/asm-x86/processor_32.h
@@ -18,36 +18,12 @@
#include <linux/init.h>
#include <asm/desc_defs.h>

-/*
- * capabilities of CPUs
- */
-extern struct cpuinfo_x86 new_cpu_data;
-extern struct tss_struct doublefault_tss;

/*
* the following now lives in the per cpu area:
* extern int cpu_llc_id[NR_CPUS];
*/
DECLARE_PER_CPU(u8, cpu_llc_id);
-extern char ignore_fpu_irq;
-
-void __init cpu_detect(struct cpuinfo_x86 *c);
-
-extern void identify_boot_cpu(void);
-extern void identify_secondary_cpu(struct cpuinfo_x86 *);
-
-#ifdef CONFIG_X86_HT
-extern void detect_ht(struct cpuinfo_x86 *c);
-#else
-static inline void detect_ht(struct cpuinfo_x86 *c) {}
-#endif
-
-/* from system description table in BIOS. Mostly for MCA use, but
-others may find it useful. */
-extern unsigned int machine_id;
-extern unsigned int machine_submodel_id;
-extern unsigned int BIOS_revision;
-extern unsigned int mca_pentium_flag;

/*
* User space process size: 3GB (default).
@@ -277,15 +253,4 @@ static inline void prefetchw(const void
"r" (x));
}

-extern void enable_sep_cpu(void);
-extern int sysenter_setup(void);
-
-/* Defined in head.S */
-extern struct desc_ptr early_gdt_descr;
-
-extern void cpu_set_gdt(int);
-extern void switch_to_new_gdt(void);
-extern void cpu_init(void);
-extern void init_gdt(int cpu);
-
#endif /* __ASM_I386_PROCESSOR_H */
Index: linux-2.6-x86/include/asm-x86/processor_64.h
===================================================================
--- linux-2.6-x86.orig/include/asm-x86/processor_64.h
+++ linux-2.6-x86/include/asm-x86/processor_64.h
@@ -17,8 +17,6 @@
#include <linux/personality.h>
#include <asm/desc_defs.h>

-extern void identify_cpu(struct cpuinfo_x86 *);
-
/*
* User space process size. 47bits minus one guard page.
*/
@@ -51,10 +49,6 @@ union i387_union {
struct i387_fxsave_struct fxsave;
};

-/* Save the original ist values for checking stack pointers during debugging */
-struct orig_ist {
- unsigned long ist[7];
-};
DECLARE_PER_CPU(struct orig_ist, orig_ist);

#define INIT_THREAD { \
--
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Previous message: Glauber de Oliveira Costa: "[PATCH 18/21] [PATCH] unify prefetch operations"
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