x86/cpu: Clean up various files a bit
Alan Cox [Fri, 3 Jul 2009 23:35:45 +0000 (00:35 +0100)]
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>

arch/x86/kernel/cpu/amd.c
arch/x86/kernel/cpu/bugs.c
arch/x86/kernel/cpu/bugs_64.c
arch/x86/kernel/cpu/common.c
arch/x86/kernel/cpu/cyrix.c
arch/x86/kernel/cpu/hypervisor.c
arch/x86/kernel/cpu/intel.c
arch/x86/kernel/cpu/intel_cacheinfo.c
arch/x86/kernel/cpu/perfctr-watchdog.c
arch/x86/kernel/cpu/proc.c
arch/x86/kernel/cpu/vmware.c

index 28e5f59..c6eb02e 100644 (file)
@@ -2,7 +2,7 @@
 #include <linux/bitops.h>
 #include <linux/mm.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/processor.h>
 #include <asm/apic.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_KEY       (0X000000CB)
        if (c->x86_model == 9 || c->x86_model == 10) {
-               if (inl (CBAR) & CBAR_ENB)
-                       outl (0 | CBAR_KEY, CBAR);
+               if (inl(CBAR) & CBAR_ENB)
+                       outl(0 | CBAR_KEY, CBAR);
        }
 }
 
@@ -87,9 +87,10 @@ static void __cpuinit init_amd_k6(struct cpuinfo_x86 *c)
                d = d2-d;
 
                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
-                       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");
        }
 
@@ -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)) {
                rdmsr(MSR_K7_CLK_CTL, l, h);
                if ((l & 0xfff00000) != 0x20000000) {
-                       printk ("CPU: CLK_CTL MSR was %x. Reprogramming to %x\n", l,
-                               ((l & 0x000fffff)|0x20000000));
+                       printk(KERN_INFO
+                           "CPU: CLK_CTL MSR was %x. Reprogramming to %x\n",
+                                       l, ((l & 0x000fffff)|0x20000000));
                        wrmsr(MSR_K7_CLK_CTL, (l & 0x000fffff)|0x20000000, h);
                }
        }
@@ -398,7 +400,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
                u32 level;
 
                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);
        }
        if (c->x86 == 0x10 || c->x86 == 0x11)
@@ -487,27 +489,30 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
                 * benefit in doing so.
                 */
                if (!rdmsrl_safe(MSR_K8_TSEG_ADDR, &tseg)) {
-                   printk(KERN_DEBUG "tseg: %010llx\n", tseg);
-                   if ((tseg>>PMD_SHIFT) <
+                       printk(KERN_DEBUG "tseg: %010llx\n", tseg);
+                       if ((tseg>>PMD_SHIFT) <
                                (max_low_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) ||
-                       ((tseg>>PMD_SHIFT) <
+                               ((tseg>>PMD_SHIFT) <
                                (max_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) &&
-                        (tseg>>PMD_SHIFT) >= (1ULL<<(32 - PMD_SHIFT))))
-                       set_memory_4k((unsigned long)__va(tseg), 1);
+                               (tseg>>PMD_SHIFT) >= (1ULL<<(32 - PMD_SHIFT))))
+                               set_memory_4k((unsigned long)__va(tseg), 1);
                }
        }
 #endif
 }
 
 #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) */
        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;
+               /* Tbird rev A1/A2 */
                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;
        }
        return size;
index c8e315f..01a2652 100644 (file)
@@ -81,7 +81,7 @@ static void __init check_fpu(void)
 
        boot_cpu_data.fdiv_bug = 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)
@@ -98,7 +98,7 @@ static void __init check_hlt(void)
        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.
         */
        if (res != 12345678)
-               printk("Buggy.\n");
+               printk(KERN_CONT "Buggy.\n");
        else
-               printk("OK.\n");
+               printk(KERN_CONT "OK.\n");
 #endif
 }
 
@@ -156,7 +156,7 @@ void __init check_bugs(void)
 {
        identify_boot_cpu();
 #ifndef CONFIG_SMP
-       printk("CPU: ");
+       printk(KERN_INFO "CPU: ");
        print_cpu_info(&boot_cpu_data);
 #endif
        check_config();
index 9a3ed06..04f0fe5 100644 (file)
@@ -15,7 +15,7 @@ void __init check_bugs(void)
 {
        identify_boot_cpu();
 #if !defined(CONFIG_SMP)
-       printk("CPU: ");
+       printk(KERN_INFO "CPU: ");
        print_cpu_info(&boot_cpu_data);
 #endif
        alternative_instructions();
index d6f27c9..c96ea44 100644 (file)
@@ -18,8 +18,8 @@
 #include <asm/hypervisor.h>
 #include <asm/processor.h>
 #include <asm/sections.h>
-#include <asm/topology.h>
-#include <asm/cpumask.h>
+#include <linux/topology.h>
+#include <linux/cpumask.h>
 #include <asm/pgtable.h>
 #include <asm/atomic.h>
 #include <asm/proto.h>
 #include <asm/desc.h>
 #include <asm/i387.h>
 #include <asm/mtrr.h>
-#include <asm/numa.h>
+#include <linux/numa.h>
 #include <asm/asm.h>
 #include <asm/cpu.h>
 #include <asm/mce.h>
 #include <asm/msr.h>
 #include <asm/pat.h>
-#include <asm/smp.h>
+#include <linux/smp.h>
 
 #ifdef CONFIG_X86_LOCAL_APIC
 #include <asm/uv/uv.h>
index 593171e..19807b8 100644 (file)
@@ -3,10 +3,10 @@
 #include <linux/delay.h>
 #include <linux/pci.h>
 #include <asm/dma.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/processor-cyrix.h>
 #include <asm/processor-flags.h>
-#include <asm/timer.h>
+#include <linux/timer.h>
 #include <asm/pci-direct.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.
                 */
                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");
        }
 #endif
@@ -299,7 +300,8 @@ static void __cpuinit init_cyrix(struct cpuinfo_x86 *c)
                         *  ?  : 0x7x
                         * 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();
                        return;
                } else { /* MediaGX */
@@ -427,9 +429,12 @@ static void __cpuinit cyrix_identify(struct cpuinfo_x86 *c)
                        printk(KERN_INFO "Enabling CPUID on Cyrix processor.\n");
                        local_irq_save(flags);
                        ccr3 = getCx86(CX86_CCR3);
-                       setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10);       /* enable MAPEN  */
-                       setCx86_old(CX86_CCR4, getCx86_old(CX86_CCR4) | 0x80);  /* enable cpuid  */
-                       setCx86(CX86_CCR3, ccr3);                       /* disable MAPEN */
+                       /* enable MAPEN  */
+                       setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10);
+                       /* enable cpuid  */
+                       setCx86_old(CX86_CCR4, getCx86_old(CX86_CCR4) | 0x80);
+                       /* disable MAPEN */
+                       setCx86(CX86_CCR3, ccr3);
                        local_irq_restore(flags);
                }
        }
index fb5b86a..93ba8ee 100644 (file)
 static inline void __cpuinit
 detect_hypervisor_vendor(struct cpuinfo_x86 *c)
 {
-       if (vmware_platform()) {
+       if (vmware_platform())
                c->x86_hyper_vendor = X86_HYPER_VENDOR_VMWARE;
-       } else {
+       else
                c->x86_hyper_vendor = X86_HYPER_VENDOR_NONE;
-       }
 }
 
 unsigned long get_hypervisor_tsc_freq(void)
index 3260ab0..80a722a 100644 (file)
@@ -7,17 +7,17 @@
 #include <linux/sched.h>
 #include <linux/thread_info.h>
 #include <linux/module.h>
+#include <linux/uaccess.h>
 
 #include <asm/processor.h>
 #include <asm/pgtable.h>
 #include <asm/msr.h>
-#include <asm/uaccess.h>
 #include <asm/ds.h>
 #include <asm/bugs.h>
 #include <asm/cpu.h>
 
 #ifdef CONFIG_X86_64
-#include <asm/topology.h>
+#include <linux/topology.h>
 #include <asm/numa_64.h>
 #endif
 
@@ -174,7 +174,8 @@ static void __cpuinit intel_workarounds(struct cpuinfo_x86 *c)
 #ifdef CONFIG_X86_F00F_BUG
        /*
         * 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...
         */
        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: Disabling hardware prefetching (Errata 037)\n");
                        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. */
        cpuid_count(4, 0, &eax, &ebx, &ecx, &edx);
        if (eax & 0x1f)
-               return ((eax >> 26) + 1);
+               return (eax >> 26) + 1;
        else
                return 1;
 }
index 789efe2..306bf0d 100644 (file)
@@ -3,7 +3,7 @@
  *
  *     Changes:
  *     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.
  */
 
@@ -16,7 +16,7 @@
 #include <linux/pci.h>
 
 #include <asm/processor.h>
-#include <asm/smp.h>
+#include <linux/smp.h>
 #include <asm/k8.h>
 
 #define LVL_1_INST     1
 #define LVL_3          4
 #define LVL_TRACE      5
 
-struct _cache_table
-{
+struct _cache_table {
        unsigned char descriptor;
        char cache_type;
        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[] =
 {
        { 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_DATA = 1,
        CACHE_TYPE_INST = 2,
@@ -170,31 +170,31 @@ unsigned short                    num_cache_leaves;
    Maybe later */
 union l1_cache {
        struct {
-               unsigned line_size : 8;
-               unsigned lines_per_tag : 8;
-               unsigned assoc : 8;
-               unsigned size_in_kb : 8;
+               unsigned line_size:8;
+               unsigned lines_per_tag:8;
+               unsigned assoc:8;
+               unsigned size_in_kb:8;
        };
        unsigned val;
 };
 
 union l2_cache {
        struct {
-               unsigned line_size : 8;
-               unsigned lines_per_tag : 4;
-               unsigned assoc : 4;
-               unsigned size_in_kb : 16;
+               unsigned line_size:8;
+               unsigned lines_per_tag:4;
+               unsigned assoc:4;
+               unsigned size_in_kb:16;
        };
        unsigned val;
 };
 
 union l3_cache {
        struct {
-               unsigned line_size : 8;
-               unsigned lines_per_tag : 4;
-               unsigned assoc : 4;
-               unsigned res : 2;
-               unsigned size_encoded : 14;
+               unsigned line_size:8;
+               unsigned lines_per_tag:4;
+               unsigned assoc:4;
+               unsigned res:2;
+               unsigned size_encoded:14;
        };
        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 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_l2 = 0, new_l3 = 0, i; /* Cache sizes from cpuid(4) */
        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);
                        if (retval >= 0) {
-                               switch(this_leaf.eax.split.level) {
-                                   case 1:
+                               switch (this_leaf.eax.split.level) {
+                               case 1:
                                        if (this_leaf.eax.split.type ==
                                                        CACHE_TYPE_DATA)
                                                new_l1d = this_leaf.size/1024;
@@ -386,19 +387,20 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
                                                        CACHE_TYPE_INST)
                                                new_l1i = this_leaf.size/1024;
                                        break;
-                                   case 2:
+                               case 2:
                                        new_l2 = this_leaf.size/1024;
                                        num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing;
                                        index_msb = get_count_order(num_threads_sharing);
                                        l2_id = c->apicid >> index_msb;
                                        break;
-                                   case 3:
+                               case 3:
                                        new_l3 = this_leaf.size/1024;
                                        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;
                                        break;
-                                   default:
+                               default:
                                        break;
                                }
                        }
@@ -421,22 +423,21 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
                /* Number of times to iterate */
                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]);
 
                        /* If bit 31 is set, this is an unknown format */
-                       for ( j = 0 ; j < 3 ; j++ ) {
-                               if (regs[j] & (1 << 31)) regs[j] = 0;
-                       }
+                       for (j = 0 ; j < 3 ; j++)
+                               if (regs[j] & (1 << 31))
+                                       regs[j] = 0;
 
                        /* 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 k = 0;
 
                                /* 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 (only_trace && cache_table[k].cache_type != LVL_TRACE)
                                                        break;
@@ -488,14 +489,14 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
        }
 
        if (trace)
-               printk (KERN_INFO "CPU: Trace cache: %dK uops", trace);
-       else if ( l1i )
-               printk (KERN_INFO "CPU: L1 I cache: %dK", l1i);
+               printk(KERN_INFO "CPU: Trace cache: %dK uops", trace);
+       else if (l1i)
+               printk(KERN_INFO "CPU: L1 I cache: %dK", l1i);
 
        if (l1d)
-               printk(", L1 D cache: %dK\n", l1d);
+               printk(KERN_CONT ", L1 D cache: %dK\n", l1d);
        else
-               printk("\n");
+               printk(KERN_CONT "\n");
 
        if (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
-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_shared_cpu_map_setup(unsigned int cpu, int index)
+{
+}
+
+static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
+{
+}
 #endif
 
 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                                                \
                        (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);
@@ -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)
 {
-       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,
@@ -669,7 +675,7 @@ static ssize_t show_shared_cpu_map_func(struct _cpuid4_info *this_leaf,
                const struct cpumask *mask;
 
                mask = to_cpumask(this_leaf->shared_cpu_map);
-               n = type?
+               n = type ?
                        cpulist_scnprintf(buf, len-2, mask) :
                        cpumask_scnprintf(buf, len-2, mask);
                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,
                show_cache_disable_1, store_cache_disable_1);
 
-static struct attribute * default_attrs[] = {
+static struct attribute *default_attrs[] = {
        &type.attr,
        &level.attr,
        &coherency_line_size.attr,
@@ -815,7 +821,7 @@ static struct attribute * default_attrs[] = {
        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 _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;
 }
 
-static ssize_t store(struct kobject * kobj, struct attribute * attr,
-                    const char * buf, size_t count)
+static ssize_t store(struct kobject *kobj, struct attribute *attr,
+                    const char *buf, size_t count)
 {
        struct _cache_attr *fattr = to_attr(attr);
        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;
 
        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))
                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++) {
-               this_object = INDEX_KOBJECT_PTR(cpu,i);
+               this_object = INDEX_KOBJECT_PTR(cpu, i);
                this_object->cpu = cpu;
                this_object->index = i;
                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),
                                              "index%1lu", i);
                if (unlikely(retval)) {
-                       for (j = 0; j < i; j++) {
-                               kobject_put(&(INDEX_KOBJECT_PTR(cpu,j)->kobj));
-                       }
+                       for (j = 0; j < i; j++)
+                               kobject_put(&(INDEX_KOBJECT_PTR(cpu, j)->kobj));
                        kobject_put(per_cpu(cache_kobject, cpu));
                        cpuid4_cache_sysfs_exit(cpu);
                        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));
 
        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));
        cpuid4_cache_sysfs_exit(cpu);
 }
@@ -977,8 +982,7 @@ static int __cpuinit cacheinfo_cpu_callback(struct notifier_block *nfb,
        return NOTIFY_OK;
 }
 
-static struct notifier_block __cpuinitdata cacheinfo_cpu_notifier =
-{
+static struct notifier_block __cpuinitdata cacheinfo_cpu_notifier = {
        .notifier_call = cacheinfo_cpu_callback,
 };
 
index 5c481f6..8100a29 100644 (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 */
        switch (boot_cpu_data.x86_vendor) {
        case X86_VENDOR_AMD:
-               return (msr - MSR_K7_PERFCTR0);
+               return msr - MSR_K7_PERFCTR0;
        case X86_VENDOR_INTEL:
                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) {
                case 6:
-                       return (msr - MSR_P6_PERFCTR0);
+                       return msr - MSR_P6_PERFCTR0;
                case 15:
-                       return (msr - MSR_P4_BPU_PERFCTR0);
+                       return msr - MSR_P4_BPU_PERFCTR0;
                }
        }
        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 */
        switch (boot_cpu_data.x86_vendor) {
        case X86_VENDOR_AMD:
-               return (msr - MSR_K7_EVNTSEL0);
+               return msr - MSR_K7_EVNTSEL0;
        case X86_VENDOR_INTEL:
                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) {
                case 6:
-                       return (msr - MSR_P6_EVNTSEL0);
+                       return msr - MSR_P6_EVNTSEL0;
                case 15:
-                       return (msr - MSR_P4_BSU_ESCR0);
+                       return msr - MSR_P4_BSU_ESCR0;
                }
        }
        return 0;
@@ -113,7 +113,7 @@ int avail_to_resrv_perfctr_nmi_bit(unsigned int counter)
 {
        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 */
@@ -124,7 +124,7 @@ int avail_to_resrv_perfctr_nmi(unsigned int msr)
        counter = nmi_perfctr_msr_to_bit(msr);
        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);
 
@@ -237,7 +237,7 @@ static unsigned int adjust_for_32bit_ctr(unsigned int hz)
         */
        counter_val = (u64)cpu_khz * 1000;
        do_div(counter_val, retval);
-       if (counter_val > 0x7fffffffULL) {
+       if (counter_val > 0x7fffffffULL) {
                u64 count = (u64)cpu_khz * 1000;
                do_div(count, 0x7fffffffUL);
                retval = count + 1;
@@ -251,7 +251,7 @@ static void write_watchdog_counter(unsigned int perfctr_msr,
        u64 count = (u64)cpu_khz * 1000;
 
        do_div(count, nmi_hz);
-       if(descr)
+       if (descr)
                pr_debug("setting %s to -0x%08Lx\n", descr, 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;
 
        do_div(count, nmi_hz);
-       if(descr)
+       if (descr)
                pr_debug("setting %s to -0x%08Lx\n", descr, count);
        wrmsr(perfctr_msr, (u32)(-count), 0);
 }
@@ -296,7 +296,7 @@ static int setup_k7_watchdog(unsigned nmi_hz)
 
        /* setup the timer */
        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 */
        wd->perfctr_msr = perfctr_msr;
@@ -387,7 +387,7 @@ static int setup_p6_watchdog(unsigned nmi_hz)
        /* setup the timer */
        wrmsr(evntsel_msr, evntsel, 0);
        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 */
        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);
 
        /* 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 = {
@@ -490,9 +490,9 @@ static int setup_p4_watchdog(unsigned nmi_hz)
        if (smp_num_siblings == 2) {
                unsigned int ebx, apicid;
 
-               ebx = cpuid_ebx(1);
-               apicid = (ebx >> 24) & 0xff;
-               ht_num = apicid & 1;
+               ebx = cpuid_ebx(1);
+               apicid = (ebx >> 24) & 0xff;
+               ht_num = apicid & 1;
        } else
 #endif
                ht_num = 0;
@@ -544,7 +544,7 @@ static int setup_p4_watchdog(unsigned nmi_hz)
        }
 
        evntsel = P4_ESCR_EVENT_SELECT(0x3F)
-               | P4_ESCR_OS
+               | P4_ESCR_OS
                | P4_ESCR_USR;
 
        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;
        /*
-        * P4 quirks:
+        * P4 quirks:
         * - An overflown perfctr will assert its interrupt
         *   until the OVF flag in its CCCR is cleared.
         * - 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.
         */
        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))
                return 0;
 
index d5e3039..1e90434 100644 (file)
@@ -128,7 +128,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                        if (i < ARRAY_SIZE(x86_power_flags) &&
                            x86_power_flags[i])
                                seq_printf(m, "%s%s",
-                                          x86_power_flags[i][0]?" ":"",
+                                          x86_power_flags[i][0] ? " " : "",
                                           x86_power_flags[i]);
                        else
                                seq_printf(m, " [%d]", i);
index 284c399..bc24f51 100644 (file)
@@ -49,17 +49,17 @@ static inline int __vmware_platform(void)
 
 static unsigned long __vmware_get_tsc_khz(void)
 {
-        uint64_t tsc_hz;
-        uint32_t eax, ebx, ecx, edx;
+       uint64_t tsc_hz;
+       uint32_t eax, ebx, ecx, edx;
 
-        VMWARE_PORT(GETHZ, eax, ebx, ecx, edx);
+       VMWARE_PORT(GETHZ, eax, ebx, ecx, edx);
 
-        if (ebx == UINT_MAX)
-                return 0;
-        tsc_hz = eax | (((uint64_t)ebx) << 32);
-        do_div(tsc_hz, 1000);
-        BUG_ON(tsc_hz >> 32);
-        return tsc_hz;
+       if (ebx == UINT_MAX)
+               return 0;
+       tsc_hz = eax | (((uint64_t)ebx) << 32);
+       do_div(tsc_hz, 1000);
+       BUG_ON(tsc_hz >> 32);
+       return tsc_hz;
 }
 
 /*