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-rw-r--r--arch/i386/kernel/cpu/cpufreq/Kconfig1
-rw-r--r--arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/e_powersaver.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/elanfreq.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/gx-suspmod.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.c6
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.h26
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longrun.c4
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k6.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k7.c6
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/sc520_freq.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-ich.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-smi.c2
-rw-r--r--arch/i386/lib/Makefile2
-rw-r--r--arch/i386/lib/msr-on-cpu.c58
-rw-r--r--arch/x86_64/kernel/cpufreq/Kconfig1
-rw-r--r--arch/x86_64/lib/Makefile1
-rw-r--r--arch/x86_64/lib/msr-on-cpu.c1
19 files changed, 92 insertions, 32 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index 6c52182ca32..e912aae9473 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -125,7 +125,6 @@ config X86_SPEEDSTEP_CENTRINO_ACPI
bool "Use ACPI tables to decode valid frequency/voltage (deprecated)"
depends on X86_SPEEDSTEP_CENTRINO && ACPI_PROCESSOR
depends on !(X86_SPEEDSTEP_CENTRINO = y && ACPI_PROCESSOR = m)
- default y
help
This is deprecated and this functionality is now merged into
acpi_cpufreq (X86_ACPI_CPUFREQ). Use that driver instead of
diff --git a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
index 0d49d73d1b7..280b3177edb 100644
--- a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
+++ b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
@@ -373,7 +373,7 @@ static int nforce2_cpu_exit(struct cpufreq_policy *policy)
return 0;
}
-static struct cpufreq_driver nforce2_driver = {
+static const struct cpufreq_driver nforce2_driver = {
.name = "nforce2",
.verify = nforce2_verify,
.target = nforce2_target,
diff --git a/arch/i386/kernel/cpu/cpufreq/e_powersaver.c b/arch/i386/kernel/cpu/cpufreq/e_powersaver.c
index f43d98e11cc..8bedaad1193 100644
--- a/arch/i386/kernel/cpu/cpufreq/e_powersaver.c
+++ b/arch/i386/kernel/cpu/cpufreq/e_powersaver.c
@@ -293,7 +293,7 @@ static struct freq_attr* eps_attr[] = {
NULL,
};
-static struct cpufreq_driver eps_driver = {
+static const struct cpufreq_driver eps_driver = {
.verify = eps_verify,
.target = eps_target,
.init = eps_cpu_init,
diff --git a/arch/i386/kernel/cpu/cpufreq/elanfreq.c b/arch/i386/kernel/cpu/cpufreq/elanfreq.c
index f317276afa7..6905de3a11e 100644
--- a/arch/i386/kernel/cpu/cpufreq/elanfreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/elanfreq.c
@@ -267,7 +267,7 @@ static struct freq_attr* elanfreq_attr[] = {
};
-static struct cpufreq_driver elanfreq_driver = {
+static const struct cpufreq_driver elanfreq_driver = {
.get = elanfreq_get_cpu_frequency,
.verify = elanfreq_verify,
.target = elanfreq_target,
diff --git a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
index 6667e9cceb9..9a66cab7fe1 100644
--- a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
+++ b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
@@ -433,7 +433,7 @@ static int cpufreq_gx_cpu_init(struct cpufreq_policy *policy)
* cpufreq_gx_init:
* MediaGX/Geode GX initialize cpufreq driver
*/
-static struct cpufreq_driver gx_suspmod_driver = {
+static const struct cpufreq_driver gx_suspmod_driver = {
.get = gx_get_cpuspeed,
.verify = cpufreq_gx_verify,
.target = cpufreq_gx_target,
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index b59878a0d9b..8cc6952d777 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -61,8 +61,8 @@ static int cpu_model;
static unsigned int numscales=16;
static unsigned int fsb;
-static struct mV_pos *vrm_mV_table;
-static unsigned char *mV_vrm_table;
+static const struct mV_pos *vrm_mV_table;
+static const unsigned char *mV_vrm_table;
struct f_msr {
u8 vrm;
u8 pos;
@@ -821,7 +821,7 @@ static struct freq_attr* longhaul_attr[] = {
NULL,
};
-static struct cpufreq_driver longhaul_driver = {
+static const struct cpufreq_driver longhaul_driver = {
.verify = longhaul_verify,
.target = longhaul_target,
.get = longhaul_get,
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.h b/arch/i386/kernel/cpu/cpufreq/longhaul.h
index bb0a04b1d1a..102548f1284 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.h
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.h
@@ -56,7 +56,7 @@ union msr_longhaul {
/*
* VIA C3 Samuel 1 & Samuel 2 (stepping 0)
*/
-static int __initdata samuel1_clock_ratio[16] = {
+static const int __initdata samuel1_clock_ratio[16] = {
-1, /* 0000 -> RESERVED */
30, /* 0001 -> 3.0x */
40, /* 0010 -> 4.0x */
@@ -75,7 +75,7 @@ static int __initdata samuel1_clock_ratio[16] = {
-1, /* 1111 -> RESERVED */
};
-static int __initdata samuel1_eblcr[16] = {
+static const int __initdata samuel1_eblcr[16] = {
50, /* 0000 -> RESERVED */
30, /* 0001 -> 3.0x */
40, /* 0010 -> 4.0x */
@@ -97,7 +97,7 @@ static int __initdata samuel1_eblcr[16] = {
/*
* VIA C3 Samuel2 Stepping 1->15
*/
-static int __initdata samuel2_eblcr[16] = {
+static const int __initdata samuel2_eblcr[16] = {
50, /* 0000 -> 5.0x */
30, /* 0001 -> 3.0x */
40, /* 0010 -> 4.0x */
@@ -119,7 +119,7 @@ static int __initdata samuel2_eblcr[16] = {
/*
* VIA C3 Ezra
*/
-static int __initdata ezra_clock_ratio[16] = {
+static const int __initdata ezra_clock_ratio[16] = {
100, /* 0000 -> 10.0x */
30, /* 0001 -> 3.0x */
40, /* 0010 -> 4.0x */
@@ -138,7 +138,7 @@ static int __initdata ezra_clock_ratio[16] = {
120, /* 1111 -> 12.0x */
};
-static int __initdata ezra_eblcr[16] = {
+static const int __initdata ezra_eblcr[16] = {
50, /* 0000 -> 5.0x */
30, /* 0001 -> 3.0x */
40, /* 0010 -> 4.0x */
@@ -160,7 +160,7 @@ static int __initdata ezra_eblcr[16] = {
/*
* VIA C3 (Ezra-T) [C5M].
*/
-static int __initdata ezrat_clock_ratio[32] = {
+static const int __initdata ezrat_clock_ratio[32] = {
100, /* 0000 -> 10.0x */
30, /* 0001 -> 3.0x */
40, /* 0010 -> 4.0x */
@@ -196,7 +196,7 @@ static int __initdata ezrat_clock_ratio[32] = {
-1, /* 1111 -> RESERVED (12.0x) */
};
-static int __initdata ezrat_eblcr[32] = {
+static const int __initdata ezrat_eblcr[32] = {
50, /* 0000 -> 5.0x */
30, /* 0001 -> 3.0x */
40, /* 0010 -> 4.0x */
@@ -235,7 +235,7 @@ static int __initdata ezrat_eblcr[32] = {
/*
* VIA C3 Nehemiah */
-static int __initdata nehemiah_clock_ratio[32] = {
+static const int __initdata nehemiah_clock_ratio[32] = {
100, /* 0000 -> 10.0x */
160, /* 0001 -> 16.0x */
40, /* 0010 -> 4.0x */
@@ -270,7 +270,7 @@ static int __initdata nehemiah_clock_ratio[32] = {
120, /* 1111 -> 12.0x */
};
-static int __initdata nehemiah_eblcr[32] = {
+static const int __initdata nehemiah_eblcr[32] = {
50, /* 0000 -> 5.0x */
160, /* 0001 -> 16.0x */
40, /* 0010 -> 4.0x */
@@ -315,7 +315,7 @@ struct mV_pos {
unsigned short pos;
};
-static struct mV_pos __initdata vrm85_mV[32] = {
+static const struct mV_pos __initdata vrm85_mV[32] = {
{1250, 8}, {1200, 6}, {1150, 4}, {1100, 2},
{1050, 0}, {1800, 30}, {1750, 28}, {1700, 26},
{1650, 24}, {1600, 22}, {1550, 20}, {1500, 18},
@@ -326,14 +326,14 @@ static struct mV_pos __initdata vrm85_mV[32] = {
{1475, 17}, {1425, 15}, {1375, 13}, {1325, 11}
};
-static unsigned char __initdata mV_vrm85[32] = {
+static const unsigned char __initdata mV_vrm85[32] = {
0x04, 0x14, 0x03, 0x13, 0x02, 0x12, 0x01, 0x11,
0x00, 0x10, 0x0f, 0x1f, 0x0e, 0x1e, 0x0d, 0x1d,
0x0c, 0x1c, 0x0b, 0x1b, 0x0a, 0x1a, 0x09, 0x19,
0x08, 0x18, 0x07, 0x17, 0x06, 0x16, 0x05, 0x15
};
-static struct mV_pos __initdata mobilevrm_mV[32] = {
+static const struct mV_pos __initdata mobilevrm_mV[32] = {
{1750, 31}, {1700, 30}, {1650, 29}, {1600, 28},
{1550, 27}, {1500, 26}, {1450, 25}, {1400, 24},
{1350, 23}, {1300, 22}, {1250, 21}, {1200, 20},
@@ -344,7 +344,7 @@ static struct mV_pos __initdata mobilevrm_mV[32] = {
{675, 3}, {650, 2}, {625, 1}, {600, 0}
};
-static unsigned char __initdata mV_mobilevrm[32] = {
+static const unsigned char __initdata mV_mobilevrm[32] = {
0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18,
0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10,
0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08,
diff --git a/arch/i386/kernel/cpu/cpufreq/longrun.c b/arch/i386/kernel/cpu/cpufreq/longrun.c
index b2689514295..e11fd86ce8f 100644
--- a/arch/i386/kernel/cpu/cpufreq/longrun.c
+++ b/arch/i386/kernel/cpu/cpufreq/longrun.c
@@ -18,7 +18,7 @@
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "longrun", msg)
-static struct cpufreq_driver longrun_driver;
+static const struct cpufreq_driver longrun_driver;
/**
* longrun_{low,high}_freq is needed for the conversion of cpufreq kHz
@@ -280,7 +280,7 @@ static int __init longrun_cpu_init(struct cpufreq_policy *policy)
}
-static struct cpufreq_driver longrun_driver = {
+static const struct cpufreq_driver longrun_driver = {
.flags = CPUFREQ_CONST_LOOPS,
.verify = longrun_verify_policy,
.setpolicy = longrun_set_policy,
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k6.c b/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
index f89524051e4..2a0d89cb0b4 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
@@ -195,7 +195,7 @@ static struct freq_attr* powernow_k6_attr[] = {
NULL,
};
-static struct cpufreq_driver powernow_k6_driver = {
+static const struct cpufreq_driver powernow_k6_driver = {
.verify = powernow_k6_verify,
.target = powernow_k6_target,
.init = powernow_k6_cpu_init,
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
index 54382760983..d98529c93a1 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
@@ -68,7 +68,7 @@ union powernow_acpi_control_t {
#ifdef CONFIG_CPU_FREQ_DEBUG
/* divide by 1000 to get VCore voltage in V. */
-static int mobile_vid_table[32] = {
+static const int mobile_vid_table[32] = {
2000, 1950, 1900, 1850, 1800, 1750, 1700, 1650,
1600, 1550, 1500, 1450, 1400, 1350, 1300, 0,
1275, 1250, 1225, 1200, 1175, 1150, 1125, 1100,
@@ -77,7 +77,7 @@ static int mobile_vid_table[32] = {
#endif
/* divide by 10 to get FID. */
-static int fid_codes[32] = {
+static const int fid_codes[32] = {
110, 115, 120, 125, 50, 55, 60, 65,
70, 75, 80, 85, 90, 95, 100, 105,
30, 190, 40, 200, 130, 135, 140, 210,
@@ -647,7 +647,7 @@ static struct freq_attr* powernow_table_attr[] = {
NULL,
};
-static struct cpufreq_driver powernow_driver = {
+static const struct cpufreq_driver powernow_driver = {
.verify = powernow_verify,
.target = powernow_target,
.get = powernow_get,
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index fe3b67005eb..8ed7b3af055 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -1305,7 +1305,7 @@ static struct freq_attr* powernow_k8_attr[] = {
NULL,
};
-static struct cpufreq_driver cpufreq_amd64_driver = {
+static const struct cpufreq_driver cpufreq_amd64_driver = {
.verify = powernowk8_verify,
.target = powernowk8_target,
.init = powernowk8_cpu_init,
diff --git a/arch/i386/kernel/cpu/cpufreq/sc520_freq.c b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c
index b8fb4b521c6..eddbe04a084 100644
--- a/arch/i386/kernel/cpu/cpufreq/sc520_freq.c
+++ b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c
@@ -138,7 +138,7 @@ static struct freq_attr* sc520_freq_attr[] = {
};
-static struct cpufreq_driver sc520_freq_driver = {
+static const struct cpufreq_driver sc520_freq_driver = {
.get = sc520_freq_get_cpu_frequency,
.verify = sc520_freq_verify,
.target = sc520_freq_target,
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c b/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c
index b425cd3d183..b94e347f08d 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c
@@ -374,7 +374,7 @@ static struct freq_attr* speedstep_attr[] = {
};
-static struct cpufreq_driver speedstep_driver = {
+static const struct cpufreq_driver speedstep_driver = {
.name = "speedstep-ich",
.verify = speedstep_verify,
.target = speedstep_target,
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
index ff0d8980611..d4b7404bf31 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
@@ -332,7 +332,7 @@ static struct freq_attr* speedstep_attr[] = {
NULL,
};
-static struct cpufreq_driver speedstep_driver = {
+static const struct cpufreq_driver speedstep_driver = {
.name = "speedstep-smi",
.verify = speedstep_verify,
.target = speedstep_target,
diff --git a/arch/i386/lib/Makefile b/arch/i386/lib/Makefile
index d86a548b8d5..22d8ac5815f 100644
--- a/arch/i386/lib/Makefile
+++ b/arch/i386/lib/Makefile
@@ -7,3 +7,5 @@ lib-y = checksum.o delay.o usercopy.o getuser.o putuser.o memcpy.o strstr.o \
bitops.o semaphore.o
lib-$(CONFIG_X86_USE_3DNOW) += mmx.o
+
+obj-$(CONFIG_SMP) += msr-on-cpu.o
diff --git a/arch/i386/lib/msr-on-cpu.c b/arch/i386/lib/msr-on-cpu.c
new file mode 100644
index 00000000000..1c46bda409f
--- /dev/null
+++ b/arch/i386/lib/msr-on-cpu.c
@@ -0,0 +1,58 @@
+#include <linux/module.h>
+#include <linux/preempt.h>
+#include <linux/smp.h>
+#include <asm/msr.h>
+
+struct msr_info {
+ u32 msr_no;
+ u32 l, h;
+};
+
+static void __rdmsr_on_cpu(void *info)
+{
+ struct msr_info *rv = info;
+
+ rdmsr(rv->msr_no, rv->l, rv->h);
+}
+
+void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+{
+ preempt_disable();
+ if (smp_processor_id() == cpu)
+ rdmsr(msr_no, *l, *h);
+ else {
+ struct msr_info rv;
+
+ rv.msr_no = msr_no;
+ smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1);
+ *l = rv.l;
+ *h = rv.h;
+ }
+ preempt_enable();
+}
+
+static void __wrmsr_on_cpu(void *info)
+{
+ struct msr_info *rv = info;
+
+ wrmsr(rv->msr_no, rv->l, rv->h);
+}
+
+void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+{
+ preempt_disable();
+ if (smp_processor_id() == cpu)
+ wrmsr(msr_no, l, h);
+ else {
+ struct msr_info rv;
+
+ rv.msr_no = msr_no;
+ rv.l = l;
+ rv.h = h;
+ smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1);
+ }
+ preempt_enable();
+}
+
+EXPORT_SYMBOL(rdmsr_on_cpu);
+EXPORT_SYMBOL(wrmsr_on_cpu);
diff --git a/arch/x86_64/kernel/cpufreq/Kconfig b/arch/x86_64/kernel/cpufreq/Kconfig
index 45a6a1fd14a..ced15d06f0f 100644
--- a/arch/x86_64/kernel/cpufreq/Kconfig
+++ b/arch/x86_64/kernel/cpufreq/Kconfig
@@ -45,7 +45,6 @@ config X86_SPEEDSTEP_CENTRINO
config X86_SPEEDSTEP_CENTRINO_ACPI
bool
depends on X86_SPEEDSTEP_CENTRINO
- default y
config X86_ACPI_CPUFREQ
tristate "ACPI Processor P-States driver"
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
index 8d5f835af48..c9432717839 100644
--- a/arch/x86_64/lib/Makefile
+++ b/arch/x86_64/lib/Makefile
@@ -5,6 +5,7 @@
CFLAGS_csum-partial.o := -funroll-loops
obj-y := io.o iomap_copy.o
+obj-$(CONFIG_SMP) += msr-on-cpu.o
lib-y := csum-partial.o csum-copy.o csum-wrappers.o delay.o \
usercopy.o getuser.o putuser.o \
diff --git a/arch/x86_64/lib/msr-on-cpu.c b/arch/x86_64/lib/msr-on-cpu.c
new file mode 100644
index 00000000000..47e0ec47c37
--- /dev/null
+++ b/arch/x86_64/lib/msr-on-cpu.c
@@ -0,0 +1 @@
+#include "../../i386/lib/msr-on-cpu.c"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 09:59:33 +0000