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-rw-r--r--arch/x86/boot/boot.h10
-rw-r--r--arch/x86/boot/cpu.c3
-rw-r--r--arch/x86/boot/cpucheck.c18
-rw-r--r--arch/x86/boot/main.c5
-rw-r--r--arch/x86/boot/memory.c1
-rw-r--r--arch/x86/boot/mkcpustr.c2
6 files changed, 21 insertions, 18 deletions
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index a34b9982c7c..cc0ef13fba7 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -24,10 +24,14 @@
#include <linux/edd.h>
#include <asm/boot.h>
#include <asm/setup.h>
+#include "bitops.h"
+#include <asm/cpufeature.h>
/* Useful macros */
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
+
extern struct setup_header hdr;
extern struct boot_params boot_params;
@@ -242,6 +246,12 @@ int cmdline_find_option(const char *option, char *buffer, int bufsize);
int cmdline_find_option_bool(const char *option);
/* cpu.c, cpucheck.c */
+struct cpu_features {
+ int level; /* Family, or 64 for x86-64 */
+ int model;
+ u32 flags[NCAPINTS];
+};
+extern struct cpu_features cpu;
int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr);
int validate_cpu(void);
diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c
index 92d6fd73dc7..75298fe2edc 100644
--- a/arch/x86/boot/cpu.c
+++ b/arch/x86/boot/cpu.c
@@ -16,9 +16,6 @@
*/
#include "boot.h"
-#include "bitops.h"
-#include <asm/cpufeature.h>
-
#include "cpustr.h"
static char *cpu_name(int level)
diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
index 7804389ee00..4d3ff037201 100644
--- a/arch/x86/boot/cpucheck.c
+++ b/arch/x86/boot/cpucheck.c
@@ -22,21 +22,13 @@
#ifdef _SETUP
# include "boot.h"
-# include "bitops.h"
#endif
#include <linux/types.h>
-#include <asm/cpufeature.h>
#include <asm/processor-flags.h>
#include <asm/required-features.h>
#include <asm/msr-index.h>
-struct cpu_features {
- int level; /* Family, or 64 for x86-64 */
- int model;
- u32 flags[NCAPINTS];
-};
-
-static struct cpu_features cpu;
+struct cpu_features cpu;
static u32 cpu_vendor[3];
static u32 err_flags[NCAPINTS];
@@ -46,12 +38,12 @@ static const u32 req_flags[NCAPINTS] =
{
REQUIRED_MASK0,
REQUIRED_MASK1,
- REQUIRED_MASK2,
- REQUIRED_MASK3,
+ 0, /* REQUIRED_MASK2 not implemented in this file */
+ 0, /* REQUIRED_MASK3 not implemented in this file */
REQUIRED_MASK4,
- REQUIRED_MASK5,
+ 0, /* REQUIRED_MASK5 not implemented in this file */
REQUIRED_MASK6,
- REQUIRED_MASK7,
+ 0, /* REQUIRED_MASK7 not implemented in this file */
};
#define A32(a, b, c, d) (((d) << 24)+((c) << 16)+((b) << 8)+(a))
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 2296164b54d..197421db1af 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -73,6 +73,11 @@ static void keyboard_set_repeat(void)
*/
static void query_ist(void)
{
+ /* Some older BIOSes apparently crash on this call, so filter
+ it from machines too old to have SpeedStep at all. */
+ if (cpu.level < 6)
+ return;
+
asm("int $0x15"
: "=a" (boot_params.ist_info.signature),
"=b" (boot_params.ist_info.command),
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 53165c97336..8c3c25f3557 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -13,7 +13,6 @@
*/
#include "boot.h"
-#include <linux/kernel.h>
#define SMAP 0x534d4150 /* ASCII "SMAP" */
diff --git a/arch/x86/boot/mkcpustr.c b/arch/x86/boot/mkcpustr.c
index bbe76953bae..4589caa3e9d 100644
--- a/arch/x86/boot/mkcpustr.c
+++ b/arch/x86/boot/mkcpustr.c
@@ -15,7 +15,7 @@
#include <stdio.h>
-#include "../kernel/cpu/feature_names.c"
+#include "../kernel/cpu/capflags.c"
#if NCAPFLAGS > 8
# error "Need to adjust the boot code handling of CPUID strings"