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x86/cpu: Clean up various files a bit 

No code changes except printk levels (although some of the K6
mtrr code might be clearer if there were a few as would
splitting out some of the intel cache code).

Signed-off-by: Alan Cox <alan@linux.intel.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alan Cox 2009-07-04 00:35:45 +01:00 committed by Ingo Molnar
parent e90476d3ba
commit 8bdbd962ec
11 changed files with 144 additions and 129 deletions
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37
arch/x86/kernel/cpu/amd.c
View File

@ -2,7 +2,7 @@
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <asm/io.h> #include <linux/io.h>
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/apic.h> #include <asm/apic.h>
#include <asm/cpu.h> #include <asm/cpu.h>
@ -45,8 +45,8 @@ static void __cpuinit init_amd_k5(struct cpuinfo_x86 *c)
#define CBAR_ENB (0x80000000) #define CBAR_ENB (0x80000000)
#define CBAR_KEY (0X000000CB) #define CBAR_KEY (0X000000CB)
if (c->x86_model == 9 || c->x86_model == 10) { if (c->x86_model == 9 || c->x86_model == 10) {
if (inl (CBAR) & CBAR_ENB) if (inl(CBAR) & CBAR_ENB)
outl (0 | CBAR_KEY, CBAR); outl(0 | CBAR_KEY, CBAR);
} }
} }
@ -87,9 +87,10 @@ static void __cpuinit init_amd_k6(struct cpuinfo_x86 *c)
d = d2-d; d = d2-d;
if (d > 20*K6_BUG_LOOP) if (d > 20*K6_BUG_LOOP)
printk("system stability may be impaired when more than 32 MB are used.\n"); printk(KERN_CONT
"system stability may be impaired when more than 32 MB are used.\n");
else else
printk("probably OK (after B9730xxxx).\n"); printk(KERN_CONT "probably OK (after B9730xxxx).\n");
printk(KERN_INFO "Please see http://membres.lycos.fr/poulot/k6bug.html\n"); printk(KERN_INFO "Please see http://membres.lycos.fr/poulot/k6bug.html\n");
} }
@ -219,8 +220,9 @@ static void __cpuinit init_amd_k7(struct cpuinfo_x86 *c)
if ((c->x86_model == 8 && c->x86_mask >= 1) || (c->x86_model > 8)) { if ((c->x86_model == 8 && c->x86_mask >= 1) || (c->x86_model > 8)) {
rdmsr(MSR_K7_CLK_CTL, l, h); rdmsr(MSR_K7_CLK_CTL, l, h);
if ((l & 0xfff00000) != 0x20000000) { if ((l & 0xfff00000) != 0x20000000) {
printk ("CPU: CLK_CTL MSR was %x. Reprogramming to %x\n", l, printk(KERN_INFO
((l & 0x000fffff)|0x20000000)); "CPU: CLK_CTL MSR was %x. Reprogramming to %x\n",
l, ((l & 0x000fffff)|0x20000000));
wrmsr(MSR_K7_CLK_CTL, (l & 0x000fffff)|0x20000000, h); wrmsr(MSR_K7_CLK_CTL, (l & 0x000fffff)|0x20000000, h);
} }
} }
@ -398,7 +400,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
u32 level; u32 level;
level = cpuid_eax(1); level = cpuid_eax(1);
if((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58) if ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58)
set_cpu_cap(c, X86_FEATURE_REP_GOOD); set_cpu_cap(c, X86_FEATURE_REP_GOOD);
} }
if (c->x86 == 0x10 || c->x86 == 0x11) if (c->x86 == 0x10 || c->x86 == 0x11)
@ -487,27 +489,30 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
* benefit in doing so. * benefit in doing so.
*/ */
if (!rdmsrl_safe(MSR_K8_TSEG_ADDR, &tseg)) { if (!rdmsrl_safe(MSR_K8_TSEG_ADDR, &tseg)) {
printk(KERN_DEBUG "tseg: %010llx\n", tseg); printk(KERN_DEBUG "tseg: %010llx\n", tseg);
if ((tseg>>PMD_SHIFT) < if ((tseg>>PMD_SHIFT) <
(max_low_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) || (max_low_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) ||
((tseg>>PMD_SHIFT) < ((tseg>>PMD_SHIFT) <
(max_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) && (max_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) &&
(tseg>>PMD_SHIFT) >= (1ULL<<(32 - PMD_SHIFT)))) (tseg>>PMD_SHIFT) >= (1ULL<<(32 - PMD_SHIFT))))
set_memory_4k((unsigned long)__va(tseg), 1); set_memory_4k((unsigned long)__va(tseg), 1);
} }
} }
#endif #endif
} }
#ifdef CONFIG_X86_32 #ifdef CONFIG_X86_32
static unsigned int __cpuinit amd_size_cache(struct cpuinfo_x86 *c, unsigned int size) static unsigned int __cpuinit amd_size_cache(struct cpuinfo_x86 *c,
unsigned int size)
{ {
/* AMD errata T13 (order #21922) */ /* AMD errata T13 (order #21922) */
if ((c->x86 == 6)) { if ((c->x86 == 6)) {
if (c->x86_model == 3 && c->x86_mask == 0) /* Duron Rev A0 */ /* Duron Rev A0 */
if (c->x86_model == 3 && c->x86_mask == 0)
size = 64; size = 64;
/* Tbird rev A1/A2 */
if (c->x86_model == 4 && if (c->x86_model == 4 &&
(c->x86_mask == 0 || c->x86_mask == 1)) /* Tbird rev A1/A2 */ (c->x86_mask == 0 || c->x86_mask == 1))
size = 256; size = 256;
} }
return size; return size;

10
arch/x86/kernel/cpu/bugs.c
View File

@ -81,7 +81,7 @@ static void __init check_fpu(void)
boot_cpu_data.fdiv_bug = fdiv_bug; boot_cpu_data.fdiv_bug = fdiv_bug;
if (boot_cpu_data.fdiv_bug) if (boot_cpu_data.fdiv_bug)
printk("Hmm, FPU with FDIV bug.\n"); printk(KERN_WARNING "Hmm, FPU with FDIV bug.\n");
} }
static void __init check_hlt(void) static void __init check_hlt(void)
@ -98,7 +98,7 @@ static void __init check_hlt(void)
halt(); halt();
halt(); halt();
halt(); halt();
printk("OK.\n"); printk(KERN_CONT "OK.\n");
} }
/* /*
@ -122,9 +122,9 @@ static void __init check_popad(void)
* CPU hard. Too bad. * CPU hard. Too bad.
*/ */
if (res != 12345678) if (res != 12345678)
printk("Buggy.\n"); printk(KERN_CONT "Buggy.\n");
else else
printk("OK.\n"); printk(KERN_CONT "OK.\n");
#endif #endif
} }
@ -156,7 +156,7 @@ void __init check_bugs(void)
{ {
identify_boot_cpu(); identify_boot_cpu();
#ifndef CONFIG_SMP #ifndef CONFIG_SMP
printk("CPU: "); printk(KERN_INFO "CPU: ");
print_cpu_info(&boot_cpu_data); print_cpu_info(&boot_cpu_data);
#endif #endif
check_config(); check_config();

2
arch/x86/kernel/cpu/bugs_64.c
View File

@ -15,7 +15,7 @@ void __init check_bugs(void)
{ {
identify_boot_cpu(); identify_boot_cpu();
#if !defined(CONFIG_SMP) #if !defined(CONFIG_SMP)
printk("CPU: "); printk(KERN_INFO "CPU: ");
print_cpu_info(&boot_cpu_data); print_cpu_info(&boot_cpu_data);
#endif #endif
alternative_instructions(); alternative_instructions();

8
arch/x86/kernel/cpu/common.c
View File

@ -18,8 +18,8 @@
#include <asm/hypervisor.h> #include <asm/hypervisor.h>
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/sections.h> #include <asm/sections.h>
#include <asm/topology.h> #include <linux/topology.h>
#include <asm/cpumask.h> #include <linux/cpumask.h>
#include <asm/pgtable.h> #include <asm/pgtable.h>
#include <asm/atomic.h> #include <asm/atomic.h>
#include <asm/proto.h> #include <asm/proto.h>
@ -28,13 +28,13 @@
#include <asm/desc.h> #include <asm/desc.h>
#include <asm/i387.h> #include <asm/i387.h>
#include <asm/mtrr.h> #include <asm/mtrr.h>
#include <asm/numa.h> #include <linux/numa.h>
#include <asm/asm.h> #include <asm/asm.h>
#include <asm/cpu.h> #include <asm/cpu.h>
#include <asm/mce.h> #include <asm/mce.h>
#include <asm/msr.h> #include <asm/msr.h>
#include <asm/pat.h> #include <asm/pat.h>
#include <asm/smp.h> #include <linux/smp.h>
#ifdef CONFIG_X86_LOCAL_APIC #ifdef CONFIG_X86_LOCAL_APIC
#include <asm/uv/uv.h> #include <asm/uv/uv.h>

19
arch/x86/kernel/cpu/cyrix.c
View File

@ -3,10 +3,10 @@
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/pci.h> #include <linux/pci.h>
#include <asm/dma.h> #include <asm/dma.h>
#include <asm/io.h> #include <linux/io.h>
#include <asm/processor-cyrix.h> #include <asm/processor-cyrix.h>
#include <asm/processor-flags.h> #include <asm/processor-flags.h>
#include <asm/timer.h> #include <linux/timer.h>
#include <asm/pci-direct.h> #include <asm/pci-direct.h>
#include <asm/tsc.h> #include <asm/tsc.h>
@ -282,7 +282,8 @@ static void __cpuinit init_cyrix(struct cpuinfo_x86 *c)
* The 5510/5520 companion chips have a funky PIT. * The 5510/5520 companion chips have a funky PIT.
*/ */
if (vendor == PCI_VENDOR_ID_CYRIX && if (vendor == PCI_VENDOR_ID_CYRIX &&
(device == PCI_DEVICE_ID_CYRIX_5510 || device == PCI_DEVICE_ID_CYRIX_5520)) (device == PCI_DEVICE_ID_CYRIX_5510 ||
device == PCI_DEVICE_ID_CYRIX_5520))
mark_tsc_unstable("cyrix 5510/5520 detected"); mark_tsc_unstable("cyrix 5510/5520 detected");
} }
#endif #endif
@ -299,7 +300,8 @@ static void __cpuinit init_cyrix(struct cpuinfo_x86 *c)
* ? : 0x7x * ? : 0x7x
* GX1 : 0x8x GX1 datasheet 56 * GX1 : 0x8x GX1 datasheet 56
*/ */
if ((0x30 <= dir1 && dir1 <= 0x6f) || (0x80 <= dir1 && dir1 <= 0x8f)) if ((0x30 <= dir1 && dir1 <= 0x6f) ||
(0x80 <= dir1 && dir1 <= 0x8f))
geode_configure(); geode_configure();
return; return;
} else { /* MediaGX */ } else { /* MediaGX */
@ -427,9 +429,12 @@ static void __cpuinit cyrix_identify(struct cpuinfo_x86 *c)
printk(KERN_INFO "Enabling CPUID on Cyrix processor.\n"); printk(KERN_INFO "Enabling CPUID on Cyrix processor.\n");
local_irq_save(flags); local_irq_save(flags);
ccr3 = getCx86(CX86_CCR3); ccr3 = getCx86(CX86_CCR3);
setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */ /* enable MAPEN */
setCx86_old(CX86_CCR4, getCx86_old(CX86_CCR4) | 0x80); /* enable cpuid */ setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10);
setCx86(CX86_CCR3, ccr3); /* disable MAPEN */ /* enable cpuid */
setCx86_old(CX86_CCR4, getCx86_old(CX86_CCR4) | 0x80);
/* disable MAPEN */
setCx86(CX86_CCR3, ccr3);
local_irq_restore(flags); local_irq_restore(flags);
} }
} }

5
arch/x86/kernel/cpu/hypervisor.c
View File

@ -28,11 +28,10 @@
static inline void __cpuinit static inline void __cpuinit
detect_hypervisor_vendor(struct cpuinfo_x86 *c) detect_hypervisor_vendor(struct cpuinfo_x86 *c)
{ {
if (vmware_platform()) { if (vmware_platform())
c->x86_hyper_vendor = X86_HYPER_VENDOR_VMWARE; c->x86_hyper_vendor = X86_HYPER_VENDOR_VMWARE;
} else { else
c->x86_hyper_vendor = X86_HYPER_VENDOR_NONE; c->x86_hyper_vendor = X86_HYPER_VENDOR_NONE;
}
} }
unsigned long get_hypervisor_tsc_freq(void) unsigned long get_hypervisor_tsc_freq(void)

11
arch/x86/kernel/cpu/intel.c
View File

@ -7,17 +7,17 @@
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/thread_info.h> #include <linux/thread_info.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/uaccess.h>
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/pgtable.h> #include <asm/pgtable.h>
#include <asm/msr.h> #include <asm/msr.h>
#include <asm/uaccess.h>
#include <asm/ds.h> #include <asm/ds.h>
#include <asm/bugs.h> #include <asm/bugs.h>
#include <asm/cpu.h> #include <asm/cpu.h>
#ifdef CONFIG_X86_64 #ifdef CONFIG_X86_64
#include <asm/topology.h> #include <linux/topology.h>
#include <asm/numa_64.h> #include <asm/numa_64.h>
#endif #endif
@ -174,7 +174,8 @@ static void __cpuinit intel_workarounds(struct cpuinfo_x86 *c)
#ifdef CONFIG_X86_F00F_BUG #ifdef CONFIG_X86_F00F_BUG
/* /*
* All current models of Pentium and Pentium with MMX technology CPUs * All current models of Pentium and Pentium with MMX technology CPUs
* have the F0 0F bug, which lets nonprivileged users lock up the system. * have the F0 0F bug, which lets nonprivileged users lock up the
* system.
* Note that the workaround only should be initialized once... * Note that the workaround only should be initialized once...
*/ */
c->f00f_bug = 0; c->f00f_bug = 0;
@ -207,7 +208,7 @@ static void __cpuinit intel_workarounds(struct cpuinfo_x86 *c)
printk (KERN_INFO "CPU: C0 stepping P4 Xeon detected.\n"); printk (KERN_INFO "CPU: C0 stepping P4 Xeon detected.\n");
printk (KERN_INFO "CPU: Disabling hardware prefetching (Errata 037)\n"); printk (KERN_INFO "CPU: Disabling hardware prefetching (Errata 037)\n");
lo |= MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE; lo |= MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE;
wrmsr (MSR_IA32_MISC_ENABLE, lo, hi); wrmsr(MSR_IA32_MISC_ENABLE, lo, hi);
} }
} }
@ -283,7 +284,7 @@ static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
/* Intel has a non-standard dependency on %ecx for this CPUID level. */ /* Intel has a non-standard dependency on %ecx for this CPUID level. */
cpuid_count(4, 0, &eax, &ebx, &ecx, &edx); cpuid_count(4, 0, &eax, &ebx, &ecx, &edx);
if (eax & 0x1f) if (eax & 0x1f)
return ((eax >> 26) + 1); return (eax >> 26) + 1;
else else
return 1; return 1;
} }

116
arch/x86/kernel/cpu/intel_cacheinfo.c
View File

@ -3,7 +3,7 @@
* *
* Changes: * Changes:
* Venkatesh Pallipadi : Adding cache identification through cpuid(4) * Venkatesh Pallipadi : Adding cache identification through cpuid(4)
* Ashok Raj <ashok.raj@intel.com>: Work with CPU hotplug infrastructure. * Ashok Raj <ashok.raj@intel.com>: Work with CPU hotplug infrastructure.
* Andi Kleen / Andreas Herrmann : CPUID4 emulation on AMD. * Andi Kleen / Andreas Herrmann : CPUID4 emulation on AMD.
*/ */
@ -16,7 +16,7 @@
#include <linux/pci.h> #include <linux/pci.h>
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/smp.h> #include <linux/smp.h>
#include <asm/k8.h> #include <asm/k8.h>
#define LVL_1_INST 1 #define LVL_1_INST 1
@ -25,14 +25,15 @@
#define LVL_3 4 #define LVL_3 4
#define LVL_TRACE 5 #define LVL_TRACE 5
struct _cache_table struct _cache_table {
{
unsigned char descriptor; unsigned char descriptor;
char cache_type; char cache_type;
short size; short size;
}; };
/* all the cache descriptor types we care about (no TLB or trace cache entries) */ /* All the cache descriptor types we care about (no TLB or
trace cache entries) */
static const struct _cache_table __cpuinitconst cache_table[] = static const struct _cache_table __cpuinitconst cache_table[] =
{ {
{ 0x06, LVL_1_INST, 8 }, /* 4-way set assoc, 32 byte line size */ { 0x06, LVL_1_INST, 8 }, /* 4-way set assoc, 32 byte line size */
@ -105,8 +106,7 @@ static const struct _cache_table __cpuinitconst cache_table[] =
}; };
enum _cache_type enum _cache_type {
{
CACHE_TYPE_NULL = 0, CACHE_TYPE_NULL = 0,
CACHE_TYPE_DATA = 1, CACHE_TYPE_DATA = 1,
CACHE_TYPE_INST = 2, CACHE_TYPE_INST = 2,
@ -170,31 +170,31 @@ unsigned short num_cache_leaves;
Maybe later */ Maybe later */
union l1_cache { union l1_cache {
struct { struct {
unsigned line_size : 8; unsigned line_size:8;
unsigned lines_per_tag : 8; unsigned lines_per_tag:8;
unsigned assoc : 8; unsigned assoc:8;
unsigned size_in_kb : 8; unsigned size_in_kb:8;
}; };
unsigned val; unsigned val;
}; };
union l2_cache { union l2_cache {
struct { struct {
unsigned line_size : 8; unsigned line_size:8;
unsigned lines_per_tag : 4; unsigned lines_per_tag:4;
unsigned assoc : 4; unsigned assoc:4;
unsigned size_in_kb : 16; unsigned size_in_kb:16;
}; };
unsigned val; unsigned val;
}; };
union l3_cache { union l3_cache {
struct { struct {
unsigned line_size : 8; unsigned line_size:8;
unsigned lines_per_tag : 4; unsigned lines_per_tag:4;
unsigned assoc : 4; unsigned assoc:4;
unsigned res : 2; unsigned res:2;
unsigned size_encoded : 14; unsigned size_encoded:14;
}; };
unsigned val; unsigned val;
}; };
@ -350,7 +350,8 @@ static int __cpuinit find_num_cache_leaves(void)
unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c) unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
{ {
unsigned int trace = 0, l1i = 0, l1d = 0, l2 = 0, l3 = 0; /* Cache sizes */ /* Cache sizes */
unsigned int trace = 0, l1i = 0, l1d = 0, l2 = 0, l3 = 0;
unsigned int new_l1d = 0, new_l1i = 0; /* Cache sizes from cpuid(4) */ unsigned int new_l1d = 0, new_l1i = 0; /* Cache sizes from cpuid(4) */
unsigned int new_l2 = 0, new_l3 = 0, i; /* Cache sizes from cpuid(4) */ unsigned int new_l2 = 0, new_l3 = 0, i; /* Cache sizes from cpuid(4) */
unsigned int l2_id = 0, l3_id = 0, num_threads_sharing, index_msb; unsigned int l2_id = 0, l3_id = 0, num_threads_sharing, index_msb;
@ -377,8 +378,8 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
retval = cpuid4_cache_lookup_regs(i, &this_leaf); retval = cpuid4_cache_lookup_regs(i, &this_leaf);
if (retval >= 0) { if (retval >= 0) {
switch(this_leaf.eax.split.level) { switch (this_leaf.eax.split.level) {
case 1: case 1:
if (this_leaf.eax.split.type == if (this_leaf.eax.split.type ==
CACHE_TYPE_DATA) CACHE_TYPE_DATA)
new_l1d = this_leaf.size/1024; new_l1d = this_leaf.size/1024;
@ -386,19 +387,20 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
CACHE_TYPE_INST) CACHE_TYPE_INST)
new_l1i = this_leaf.size/1024; new_l1i = this_leaf.size/1024;
break; break;
case 2: case 2:
new_l2 = this_leaf.size/1024; new_l2 = this_leaf.size/1024;
num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing; num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing;
index_msb = get_count_order(num_threads_sharing); index_msb = get_count_order(num_threads_sharing);
l2_id = c->apicid >> index_msb; l2_id = c->apicid >> index_msb;
break; break;
case 3: case 3:
new_l3 = this_leaf.size/1024; new_l3 = this_leaf.size/1024;
num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing; num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing;
index_msb = get_count_order(num_threads_sharing); index_msb = get_count_order(
num_threads_sharing);
l3_id = c->apicid >> index_msb; l3_id = c->apicid >> index_msb;
break; break;
default: default:
break; break;
} }
} }
@ -421,22 +423,21 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
/* Number of times to iterate */ /* Number of times to iterate */
n = cpuid_eax(2) & 0xFF; n = cpuid_eax(2) & 0xFF;
for ( i = 0 ; i < n ; i++ ) { for (i = 0 ; i < n ; i++) {
cpuid(2, &regs[0], &regs[1], &regs[2], &regs[3]); cpuid(2, &regs[0], &regs[1], &regs[2], &regs[3]);
/* If bit 31 is set, this is an unknown format */ /* If bit 31 is set, this is an unknown format */
for ( j = 0 ; j < 3 ; j++ ) { for (j = 0 ; j < 3 ; j++)
if (regs[j] & (1 << 31)) regs[j] = 0; if (regs[j] & (1 << 31))
} regs[j] = 0;
/* Byte 0 is level count, not a descriptor */ /* Byte 0 is level count, not a descriptor */
for ( j = 1 ; j < 16 ; j++ ) { for (j = 1 ; j < 16 ; j++) {
unsigned char des = dp[j]; unsigned char des = dp[j];
unsigned char k = 0; unsigned char k = 0;
/* look up this descriptor in the table */ /* look up this descriptor in the table */
while (cache_table[k].descriptor != 0) while (cache_table[k].descriptor != 0) {
{
if (cache_table[k].descriptor == des) { if (cache_table[k].descriptor == des) {
if (only_trace && cache_table[k].cache_type != LVL_TRACE) if (only_trace && cache_table[k].cache_type != LVL_TRACE)
break; break;
@ -488,14 +489,14 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
} }
if (trace) if (trace)
printk (KERN_INFO "CPU: Trace cache: %dK uops", trace); printk(KERN_INFO "CPU: Trace cache: %dK uops", trace);
else if ( l1i ) else if (l1i)
printk (KERN_INFO "CPU: L1 I cache: %dK", l1i); printk(KERN_INFO "CPU: L1 I cache: %dK", l1i);
if (l1d) if (l1d)
printk(", L1 D cache: %dK\n", l1d); printk(KERN_CONT ", L1 D cache: %dK\n", l1d);
else else
printk("\n"); printk(KERN_CONT "\n");
if (l2) if (l2)
printk(KERN_INFO "CPU: L2 cache: %dK\n", l2); printk(KERN_INFO "CPU: L2 cache: %dK\n", l2);
@ -558,8 +559,13 @@ static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
} }
} }
#else #else
static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index) {} static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index) {} {
}
static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
{
}
#endif #endif
static void __cpuinit free_cache_attributes(unsigned int cpu) static void __cpuinit free_cache_attributes(unsigned int cpu)
@ -645,7 +651,7 @@ static DEFINE_PER_CPU(struct _index_kobject *, index_kobject);
static ssize_t show_##file_name \ static ssize_t show_##file_name \
(struct _cpuid4_info *this_leaf, char *buf) \ (struct _cpuid4_info *this_leaf, char *buf) \
{ \ { \
return sprintf (buf, "%lu\n", (unsigned long)this_leaf->object + val); \ return sprintf(buf, "%lu\n", (unsigned long)this_leaf->object + val); \
} }
show_one_plus(level, eax.split.level, 0); show_one_plus(level, eax.split.level, 0);
@ -656,7 +662,7 @@ show_one_plus(number_of_sets, ecx.split.number_of_sets, 1);
static ssize_t show_size(struct _cpuid4_info *this_leaf, char *buf) static ssize_t show_size(struct _cpuid4_info *this_leaf, char *buf)
{ {
return sprintf (buf, "%luK\n", this_leaf->size / 1024); return sprintf(buf, "%luK\n", this_leaf->size / 1024);
} }
static ssize_t show_shared_cpu_map_func(struct _cpuid4_info *this_leaf, static ssize_t show_shared_cpu_map_func(struct _cpuid4_info *this_leaf,
@ -669,7 +675,7 @@ static ssize_t show_shared_cpu_map_func(struct _cpuid4_info *this_leaf,
const struct cpumask *mask; const struct cpumask *mask;
mask = to_cpumask(this_leaf->shared_cpu_map); mask = to_cpumask(this_leaf->shared_cpu_map);
n = type? n = type ?
cpulist_scnprintf(buf, len-2, mask) : cpulist_scnprintf(buf, len-2, mask) :
cpumask_scnprintf(buf, len-2, mask); cpumask_scnprintf(buf, len-2, mask);
buf[n++] = '\n'; buf[n++] = '\n';
@ -800,7 +806,7 @@ static struct _cache_attr cache_disable_0 = __ATTR(cache_disable_0, 0644,
static struct _cache_attr cache_disable_1 = __ATTR(cache_disable_1, 0644, static struct _cache_attr cache_disable_1 = __ATTR(cache_disable_1, 0644,
show_cache_disable_1, store_cache_disable_1); show_cache_disable_1, store_cache_disable_1);
static struct attribute * default_attrs[] = { static struct attribute *default_attrs[] = {
&type.attr, &type.attr,
&level.attr, &level.attr,
&coherency_line_size.attr, &coherency_line_size.attr,
@ -815,7 +821,7 @@ static struct attribute * default_attrs[] = {
NULL NULL
}; };
static ssize_t show(struct kobject * kobj, struct attribute * attr, char * buf) static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf)
{ {
struct _cache_attr *fattr = to_attr(attr); struct _cache_attr *fattr = to_attr(attr);
struct _index_kobject *this_leaf = to_object(kobj); struct _index_kobject *this_leaf = to_object(kobj);
@ -828,8 +834,8 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr, char * buf)
return ret; return ret;
} }
static ssize_t store(struct kobject * kobj, struct attribute * attr, static ssize_t store(struct kobject *kobj, struct attribute *attr,
const char * buf, size_t count) const char *buf, size_t count)
{ {
struct _cache_attr *fattr = to_attr(attr); struct _cache_attr *fattr = to_attr(attr);
struct _index_kobject *this_leaf = to_object(kobj); struct _index_kobject *this_leaf = to_object(kobj);
@ -883,7 +889,7 @@ static int __cpuinit cpuid4_cache_sysfs_init(unsigned int cpu)
goto err_out; goto err_out;
per_cpu(index_kobject, cpu) = kzalloc( per_cpu(index_kobject, cpu) = kzalloc(
sizeof(struct _index_kobject ) * num_cache_leaves, GFP_KERNEL); sizeof(struct _index_kobject) * num_cache_leaves, GFP_KERNEL);
if (unlikely(per_cpu(index_kobject, cpu) == NULL)) if (unlikely(per_cpu(index_kobject, cpu) == NULL))
goto err_out; goto err_out;
@ -917,7 +923,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
} }
for (i = 0; i < num_cache_leaves; i++) { for (i = 0; i < num_cache_leaves; i++) {
this_object = INDEX_KOBJECT_PTR(cpu,i); this_object = INDEX_KOBJECT_PTR(cpu, i);
this_object->cpu = cpu; this_object->cpu = cpu;
this_object->index = i; this_object->index = i;
retval = kobject_init_and_add(&(this_object->kobj), retval = kobject_init_and_add(&(this_object->kobj),
@ -925,9 +931,8 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
per_cpu(cache_kobject, cpu), per_cpu(cache_kobject, cpu),
"index%1lu", i); "index%1lu", i);
if (unlikely(retval)) { if (unlikely(retval)) {
for (j = 0; j < i; j++) { for (j = 0; j < i; j++)
kobject_put(&(INDEX_KOBJECT_PTR(cpu,j)->kobj)); kobject_put(&(INDEX_KOBJECT_PTR(cpu, j)->kobj));
}
kobject_put(per_cpu(cache_kobject, cpu)); kobject_put(per_cpu(cache_kobject, cpu));
cpuid4_cache_sysfs_exit(cpu); cpuid4_cache_sysfs_exit(cpu);
return retval; return retval;
@ -952,7 +957,7 @@ static void __cpuinit cache_remove_dev(struct sys_device * sys_dev)
cpumask_clear_cpu(cpu, to_cpumask(cache_dev_map)); cpumask_clear_cpu(cpu, to_cpumask(cache_dev_map));
for (i = 0; i < num_cache_leaves; i++) for (i = 0; i < num_cache_leaves; i++)
kobject_put(&(INDEX_KOBJECT_PTR(cpu,i)->kobj)); kobject_put(&(INDEX_KOBJECT_PTR(cpu, i)->kobj));
kobject_put(per_cpu(cache_kobject, cpu)); kobject_put(per_cpu(cache_kobject, cpu));
cpuid4_cache_sysfs_exit(cpu); cpuid4_cache_sysfs_exit(cpu);
} }
@ -977,8 +982,7 @@ static int __cpuinit cacheinfo_cpu_callback(struct notifier_block *nfb,
return NOTIFY_OK; return NOTIFY_OK;
} }
static struct notifier_block __cpuinitdata cacheinfo_cpu_notifier = static struct notifier_block __cpuinitdata cacheinfo_cpu_notifier = {
{
.notifier_call = cacheinfo_cpu_callback, .notifier_call = cacheinfo_cpu_callback,
}; };

45
arch/x86/kernel/cpu/perfctr-watchdog.c
View File

@ -68,16 +68,16 @@ static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr)
/* returns the bit offset of the performance counter register */ /* returns the bit offset of the performance counter register */
switch (boot_cpu_data.x86_vendor) { switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_AMD: case X86_VENDOR_AMD:
return (msr - MSR_K7_PERFCTR0); return msr - MSR_K7_PERFCTR0;
case X86_VENDOR_INTEL: case X86_VENDOR_INTEL:
if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
return (msr - MSR_ARCH_PERFMON_PERFCTR0); return msr - MSR_ARCH_PERFMON_PERFCTR0;
switch (boot_cpu_data.x86) { switch (boot_cpu_data.x86) {
case 6: case 6:
return (msr - MSR_P6_PERFCTR0); return msr - MSR_P6_PERFCTR0;
case 15: case 15:
return (msr - MSR_P4_BPU_PERFCTR0); return msr - MSR_P4_BPU_PERFCTR0;
} }
} }
return 0; return 0;
@ -92,16 +92,16 @@ static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr)
/* returns the bit offset of the event selection register */ /* returns the bit offset of the event selection register */
switch (boot_cpu_data.x86_vendor) { switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_AMD: case X86_VENDOR_AMD:
return (msr - MSR_K7_EVNTSEL0); return msr - MSR_K7_EVNTSEL0;
case X86_VENDOR_INTEL: case X86_VENDOR_INTEL:
if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
return (msr - MSR_ARCH_PERFMON_EVENTSEL0); return msr - MSR_ARCH_PERFMON_EVENTSEL0;
switch (boot_cpu_data.x86) { switch (boot_cpu_data.x86) {
case 6: case 6:
return (msr - MSR_P6_EVNTSEL0); return msr - MSR_P6_EVNTSEL0;
case 15: case 15:
return (msr - MSR_P4_BSU_ESCR0); return msr - MSR_P4_BSU_ESCR0;
} }
} }
return 0; return 0;
@ -113,7 +113,7 @@ int avail_to_resrv_perfctr_nmi_bit(unsigned int counter)
{ {
BUG_ON(counter > NMI_MAX_COUNTER_BITS); BUG_ON(counter > NMI_MAX_COUNTER_BITS);
return (!test_bit(counter, perfctr_nmi_owner)); return !test_bit(counter, perfctr_nmi_owner);
} }
/* checks the an msr for availability */ /* checks the an msr for availability */
@ -124,7 +124,7 @@ int avail_to_resrv_perfctr_nmi(unsigned int msr)
counter = nmi_perfctr_msr_to_bit(msr); counter = nmi_perfctr_msr_to_bit(msr);
BUG_ON(counter > NMI_MAX_COUNTER_BITS); BUG_ON(counter > NMI_MAX_COUNTER_BITS);
return (!test_bit(counter, perfctr_nmi_owner)); return !test_bit(counter, perfctr_nmi_owner);
} }
EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi_bit); EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi_bit);
@ -237,7 +237,7 @@ static unsigned int adjust_for_32bit_ctr(unsigned int hz)
*/ */
counter_val = (u64)cpu_khz * 1000; counter_val = (u64)cpu_khz * 1000;
do_div(counter_val, retval); do_div(counter_val, retval);
if (counter_val > 0x7fffffffULL) { if (counter_val > 0x7fffffffULL) {
u64 count = (u64)cpu_khz * 1000; u64 count = (u64)cpu_khz * 1000;
do_div(count, 0x7fffffffUL); do_div(count, 0x7fffffffUL);
retval = count + 1; retval = count + 1;
@ -251,7 +251,7 @@ static void write_watchdog_counter(unsigned int perfctr_msr,
u64 count = (u64)cpu_khz * 1000; u64 count = (u64)cpu_khz * 1000;
do_div(count, nmi_hz); do_div(count, nmi_hz);
if(descr) if (descr)
pr_debug("setting %s to -0x%08Lx\n", descr, count); pr_debug("setting %s to -0x%08Lx\n", descr, count);
wrmsrl(perfctr_msr, 0 - count); wrmsrl(perfctr_msr, 0 - count);
} }
@ -262,7 +262,7 @@ static void write_watchdog_counter32(unsigned int perfctr_msr,
u64 count = (u64)cpu_khz * 1000; u64 count = (u64)cpu_khz * 1000;
do_div(count, nmi_hz); do_div(count, nmi_hz);
if(descr) if (descr)
pr_debug("setting %s to -0x%08Lx\n", descr, count); pr_debug("setting %s to -0x%08Lx\n", descr, count);
wrmsr(perfctr_msr, (u32)(-count), 0); wrmsr(perfctr_msr, (u32)(-count), 0);
} }
@ -296,7 +296,7 @@ static int setup_k7_watchdog(unsigned nmi_hz)
/* setup the timer */ /* setup the timer */
wrmsr(evntsel_msr, evntsel, 0); wrmsr(evntsel_msr, evntsel, 0);
write_watchdog_counter(perfctr_msr, "K7_PERFCTR0",nmi_hz); write_watchdog_counter(perfctr_msr, "K7_PERFCTR0", nmi_hz);
/* initialize the wd struct before enabling */ /* initialize the wd struct before enabling */
wd->perfctr_msr = perfctr_msr; wd->perfctr_msr = perfctr_msr;
@ -387,7 +387,7 @@ static int setup_p6_watchdog(unsigned nmi_hz)
/* setup the timer */ /* setup the timer */
wrmsr(evntsel_msr, evntsel, 0); wrmsr(evntsel_msr, evntsel, 0);
nmi_hz = adjust_for_32bit_ctr(nmi_hz); nmi_hz = adjust_for_32bit_ctr(nmi_hz);
write_watchdog_counter32(perfctr_msr, "P6_PERFCTR0",nmi_hz); write_watchdog_counter32(perfctr_msr, "P6_PERFCTR0", nmi_hz);
/* initialize the wd struct before enabling */ /* initialize the wd struct before enabling */
wd->perfctr_msr = perfctr_msr; wd->perfctr_msr = perfctr_msr;
@ -415,7 +415,7 @@ static void __kprobes p6_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
apic_write(APIC_LVTPC, APIC_DM_NMI); apic_write(APIC_LVTPC, APIC_DM_NMI);
/* P6/ARCH_PERFMON has 32 bit counter write */ /* P6/ARCH_PERFMON has 32 bit counter write */
write_watchdog_counter32(wd->perfctr_msr, NULL,nmi_hz); write_watchdog_counter32(wd->perfctr_msr, NULL, nmi_hz);
} }
static const struct wd_ops p6_wd_ops = { static const struct wd_ops p6_wd_ops = {
@ -490,9 +490,9 @@ static int setup_p4_watchdog(unsigned nmi_hz)
if (smp_num_siblings == 2) { if (smp_num_siblings == 2) {
unsigned int ebx, apicid; unsigned int ebx, apicid;
ebx = cpuid_ebx(1); ebx = cpuid_ebx(1);
apicid = (ebx >> 24) & 0xff; apicid = (ebx >> 24) & 0xff;
ht_num = apicid & 1; ht_num = apicid & 1;
} else } else
#endif #endif
ht_num = 0; ht_num = 0;
@ -544,7 +544,7 @@ static int setup_p4_watchdog(unsigned nmi_hz)
} }
evntsel = P4_ESCR_EVENT_SELECT(0x3F) evntsel = P4_ESCR_EVENT_SELECT(0x3F)
| P4_ESCR_OS | P4_ESCR_OS
| P4_ESCR_USR; | P4_ESCR_USR;
cccr_val |= P4_CCCR_THRESHOLD(15) cccr_val |= P4_CCCR_THRESHOLD(15)
@ -612,7 +612,7 @@ static void __kprobes p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
{ {
unsigned dummy; unsigned dummy;
/* /*
* P4 quirks: * P4 quirks:
* - An overflown perfctr will assert its interrupt * - An overflown perfctr will assert its interrupt
* until the OVF flag in its CCCR is cleared. * until the OVF flag in its CCCR is cleared.
* - LVTPC is masked on interrupt and must be * - LVTPC is masked on interrupt and must be
@ -662,7 +662,8 @@ static int setup_intel_arch_watchdog(unsigned nmi_hz)
* NOTE: Corresponding bit = 0 in ebx indicates event present. * NOTE: Corresponding bit = 0 in ebx indicates event present.
*/ */
cpuid(10, &(eax.full), &ebx, &unused, &unused); cpuid(10, &(eax.full), &ebx, &unused, &unused);
if ((eax.split.mask_length < (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX+1)) || if ((eax.split.mask_length <
(ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX+1)) ||
(ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT)) (ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
return 0; return 0;

2
arch/x86/kernel/cpu/proc.c
View File

@ -128,7 +128,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
if (i < ARRAY_SIZE(x86_power_flags) && if (i < ARRAY_SIZE(x86_power_flags) &&
x86_power_flags[i]) x86_power_flags[i])
seq_printf(m, "%s%s", seq_printf(m, "%s%s",
x86_power_flags[i][0]?" ":"", x86_power_flags[i][0] ? " " : "",
x86_power_flags[i]); x86_power_flags[i]);
else else
seq_printf(m, " [%d]", i); seq_printf(m, " [%d]", i);

18
arch/x86/kernel/cpu/vmware.c
View File

@ -49,17 +49,17 @@ static inline int __vmware_platform(void)
static unsigned long __vmware_get_tsc_khz(void) static unsigned long __vmware_get_tsc_khz(void)
{ {
uint64_t tsc_hz; uint64_t tsc_hz;
uint32_t eax, ebx, ecx, edx; uint32_t eax, ebx, ecx, edx;
VMWARE_PORT(GETHZ, eax, ebx, ecx, edx); VMWARE_PORT(GETHZ, eax, ebx, ecx, edx);
if (ebx == UINT_MAX) if (ebx == UINT_MAX)
return 0; return 0;
tsc_hz = eax | (((uint64_t)ebx) << 32); tsc_hz = eax | (((uint64_t)ebx) << 32);
do_div(tsc_hz, 1000); do_div(tsc_hz, 1000);
BUG_ON(tsc_hz >> 32); BUG_ON(tsc_hz >> 32);
return tsc_hz; return tsc_hz;
} }
/* /*