x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping

x86_mask is a confusing name which is hard to associate with the
processor's stepping.

Additionally, correct an indent issue in lib/cpu.c.

Signed-off-by: Jia Zhang <qianyue.zj@alibaba-inc.com>
[ Updated it to more recent kernels. ]
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@alien8.de
Cc: tony.luck@intel.com
Link: http://lkml.kernel.org/r/1514771530-70829-1-git-send-email-qianyue.zj@alibaba-inc.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 731153a..56457cb 100644 (file)
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3559,7 +3559,7 @@ static int intel_snb_pebs_broken(int cpu)
                break;
 
        case INTEL_FAM6_SANDYBRIDGE_X:
-               switch (cpu_data(cpu).x86_mask) {
+               switch (cpu_data(cpu).x86_stepping) {
                case 6: rev = 0x618; break;
                case 7: rev = 0x70c; break;
                }

diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index ae64d0b..cf372b9 100644 (file)
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -1186,7 +1186,7 @@ void __init intel_pmu_lbr_init_atom(void)
         * on PMU interrupt
         */
        if (boot_cpu_data.x86_model == 28
-           && boot_cpu_data.x86_mask < 10) {
+           && boot_cpu_data.x86_stepping < 10) {
                pr_cont("LBR disabled due to erratum");
                return;
        }

diff --git a/arch/x86/events/intel/p6.c b/arch/x86/events/intel/p6.c
index a5604c3..408879b 100644 (file)
--- a/arch/x86/events/intel/p6.c
+++ b/arch/x86/events/intel/p6.c
@@ -234,7 +234,7 @@ static __initconst const struct x86_pmu p6_pmu = {
 
 static __init void p6_pmu_rdpmc_quirk(void)
 {
-       if (boot_cpu_data.x86_mask < 9) {
+       if (boot_cpu_data.x86_stepping < 9) {
                /*
                 * PPro erratum 26; fixed in stepping 9 and above.
                 */

diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 8d0ec9d..f077401 100644 (file)
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -94,7 +94,7 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate)
        if (boot_cpu_data.x86 == 0x0F &&
            boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
            boot_cpu_data.x86_model <= 0x05 &&
-           boot_cpu_data.x86_mask < 0x0A)
+           boot_cpu_data.x86_stepping < 0x0A)
                return 1;
        else if (boot_cpu_has(X86_BUG_AMD_APIC_C1E))
                return 1;

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 99799fb..b7c8583 100644 (file)
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -91,7 +91,7 @@ struct cpuinfo_x86 {
        __u8                    x86;            /* CPU family */
        __u8                    x86_vendor;     /* CPU vendor */
        __u8                    x86_model;
-       __u8                    x86_mask;
+       __u8                    x86_stepping;
 #ifdef CONFIG_X86_64
        /* Number of 4K pages in DTLB/ITLB combined(in pages): */
        int                     x86_tlbsize;

diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index 6db28f1..c88e0b1 100644 (file)
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -235,7 +235,7 @@ int amd_cache_northbridges(void)
        if (boot_cpu_data.x86 == 0x10 &&
            boot_cpu_data.x86_model >= 0x8 &&
            (boot_cpu_data.x86_model > 0x9 ||
-            boot_cpu_data.x86_mask >= 0x1))
+            boot_cpu_data.x86_stepping >= 0x1))
                amd_northbridges.flags |= AMD_NB_L3_INDEX_DISABLE;
 
        if (boot_cpu_data.x86 == 0x15)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 25ddf02..b203af0 100644 (file)
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -546,7 +546,7 @@ static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
 
 static u32 hsx_deadline_rev(void)
 {
-       switch (boot_cpu_data.x86_mask) {
+       switch (boot_cpu_data.x86_stepping) {
        case 0x02: return 0x3a; /* EP */
        case 0x04: return 0x0f; /* EX */
        }
@@ -556,7 +556,7 @@ static u32 hsx_deadline_rev(void)
 
 static u32 bdx_deadline_rev(void)
 {
-       switch (boot_cpu_data.x86_mask) {
+       switch (boot_cpu_data.x86_stepping) {
        case 0x02: return 0x00000011;
        case 0x03: return 0x0700000e;
        case 0x04: return 0x0f00000c;
@@ -568,7 +568,7 @@ static u32 bdx_deadline_rev(void)
 
 static u32 skx_deadline_rev(void)
 {
-       switch (boot_cpu_data.x86_mask) {
+       switch (boot_cpu_data.x86_stepping) {
        case 0x03: return 0x01000136;
        case 0x04: return 0x02000014;
        }

diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c
index fa1261e..f91ba53 100644 (file)
--- a/arch/x86/kernel/asm-offsets_32.c
+++ b/arch/x86/kernel/asm-offsets_32.c
@@ -18,7 +18,7 @@ void foo(void)
        OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
        OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
        OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
-       OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
+       OFFSET(CPUINFO_x86_stepping, cpuinfo_x86, x86_stepping);
        OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
        OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
        OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index ea831c8..e7d5a78 100644 (file)
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -119,7 +119,7 @@ static void init_amd_k6(struct cpuinfo_x86 *c)
                return;
        }
 
-       if (c->x86_model == 6 && c->x86_mask == 1) {
+       if (c->x86_model == 6 && c->x86_stepping == 1) {
                const int K6_BUG_LOOP = 1000000;
                int n;
                void (*f_vide)(void);
@@ -149,7 +149,7 @@ static void init_amd_k6(struct cpuinfo_x86 *c)
 
        /* K6 with old style WHCR */
        if (c->x86_model < 8 ||
-          (c->x86_model == 8 && c->x86_mask < 8)) {
+          (c->x86_model == 8 && c->x86_stepping < 8)) {
                /* We can only write allocate on the low 508Mb */
                if (mbytes > 508)
                        mbytes = 508;
@@ -168,7 +168,7 @@ static void init_amd_k6(struct cpuinfo_x86 *c)
                return;
        }
 
-       if ((c->x86_model == 8 && c->x86_mask > 7) ||
+       if ((c->x86_model == 8 && c->x86_stepping > 7) ||
             c->x86_model == 9 || c->x86_model == 13) {
                /* The more serious chips .. */
 
@@ -221,7 +221,7 @@ static void init_amd_k7(struct cpuinfo_x86 *c)
         * are more robust with CLK_CTL set to 200xxxxx instead of 600xxxxx
         * As per AMD technical note 27212 0.2
         */
-       if ((c->x86_model == 8 && c->x86_mask >= 1) || (c->x86_model > 8)) {
+       if ((c->x86_model == 8 && c->x86_stepping >= 1) || (c->x86_model > 8)) {
                rdmsr(MSR_K7_CLK_CTL, l, h);
                if ((l & 0xfff00000) != 0x20000000) {
                        pr_info("CPU: CLK_CTL MSR was %x. Reprogramming to %x\n",
@@ -241,12 +241,12 @@ static void init_amd_k7(struct cpuinfo_x86 *c)
         * but they are not certified as MP capable.
         */
        /* Athlon 660/661 is valid. */
-       if ((c->x86_model == 6) && ((c->x86_mask == 0) ||
-           (c->x86_mask == 1)))
+       if ((c->x86_model == 6) && ((c->x86_stepping == 0) ||
+           (c->x86_stepping == 1)))
                return;
 
        /* Duron 670 is valid */
-       if ((c->x86_model == 7) && (c->x86_mask == 0))
+       if ((c->x86_model == 7) && (c->x86_stepping == 0))
                return;
 
        /*
@@ -256,8 +256,8 @@ static void init_amd_k7(struct cpuinfo_x86 *c)
         * See http://www.heise.de/newsticker/data/jow-18.10.01-000 for
         * more.
         */
-       if (((c->x86_model == 6) && (c->x86_mask >= 2)) ||
-           ((c->x86_model == 7) && (c->x86_mask >= 1)) ||
+       if (((c->x86_model == 6) && (c->x86_stepping >= 2)) ||
+           ((c->x86_model == 7) && (c->x86_stepping >= 1)) ||
             (c->x86_model > 7))
                if (cpu_has(c, X86_FEATURE_MP))
                        return;
@@ -583,7 +583,7 @@ static void early_init_amd(struct cpuinfo_x86 *c)
        /*  Set MTRR capability flag if appropriate */
        if (c->x86 == 5)
                if (c->x86_model == 13 || c->x86_model == 9 ||
-                   (c->x86_model == 8 && c->x86_mask >= 8))
+                   (c->x86_model == 8 && c->x86_stepping >= 8))
                        set_cpu_cap(c, X86_FEATURE_K6_MTRR);
 #endif
 #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_PCI)
@@ -769,7 +769,7 @@ static void init_amd_zn(struct cpuinfo_x86 *c)
         * Fix erratum 1076: CPB feature bit not being set in CPUID. It affects
         * all up to and including B1.
         */
-       if (c->x86_model <= 1 && c->x86_mask <= 1)
+       if (c->x86_model <= 1 && c->x86_stepping <= 1)
                set_cpu_cap(c, X86_FEATURE_CPB);
 }
 
@@ -880,11 +880,11 @@ static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size)
        /* AMD errata T13 (order #21922) */
        if ((c->x86 == 6)) {
                /* Duron Rev A0 */
-               if (c->x86_model == 3 && c->x86_mask == 0)
+               if (c->x86_model == 3 && c->x86_stepping == 0)
                        size = 64;
                /* Tbird rev A1/A2 */
                if (c->x86_model == 4 &&
-                       (c->x86_mask == 0 || c->x86_mask == 1))
+                       (c->x86_stepping == 0 || c->x86_stepping == 1))
                        size = 256;
        }
        return size;
@@ -1021,7 +1021,7 @@ static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum)
        }
 
        /* OSVW unavailable or ID unknown, match family-model-stepping range */
-       ms = (cpu->x86_model << 4) | cpu->x86_mask;
+       ms = (cpu->x86_model << 4) | cpu->x86_stepping;
        while ((range = *erratum++))
                if ((cpu->x86 == AMD_MODEL_RANGE_FAMILY(range)) &&
                    (ms >= AMD_MODEL_RANGE_START(range)) &&

diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c
index 68bc6d9..595be77 100644 (file)
--- a/arch/x86/kernel/cpu/centaur.c
+++ b/arch/x86/kernel/cpu/centaur.c
@@ -136,7 +136,7 @@ static void init_centaur(struct cpuinfo_x86 *c)
                        clear_cpu_cap(c, X86_FEATURE_TSC);
                        break;
                case 8:
-                       switch (c->x86_mask) {
+                       switch (c->x86_stepping) {
                        default:
                        name = "2";
                                break;
@@ -211,7 +211,7 @@ centaur_size_cache(struct cpuinfo_x86 *c, unsigned int size)
         *  - Note, it seems this may only be in engineering samples.
         */
        if ((c->x86 == 6) && (c->x86_model == 9) &&
-                               (c->x86_mask == 1) && (size == 65))
+                               (c->x86_stepping == 1) && (size == 65))
                size -= 1;
        return size;
 }

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index d63f4b5..a7d8df6 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -731,7 +731,7 @@ void cpu_detect(struct cpuinfo_x86 *c)
                cpuid(0x00000001, &tfms, &misc, &junk, &cap0);
                c->x86          = x86_family(tfms);
                c->x86_model    = x86_model(tfms);
-               c->x86_mask     = x86_stepping(tfms);
+               c->x86_stepping = x86_stepping(tfms);
 
                if (cap0 & (1<<19)) {
                        c->x86_clflush_size = ((misc >> 8) & 0xff) * 8;
@@ -1186,7 +1186,7 @@ static void identify_cpu(struct cpuinfo_x86 *c)
        c->loops_per_jiffy = loops_per_jiffy;
        c->x86_cache_size = -1;
        c->x86_vendor = X86_VENDOR_UNKNOWN;
-       c->x86_model = c->x86_mask = 0; /* So far unknown... */
+       c->x86_model = c->x86_stepping = 0;     /* So far unknown... */
        c->x86_vendor_id[0] = '\0'; /* Unset */
        c->x86_model_id[0] = '\0';  /* Unset */
        c->x86_max_cores = 1;
@@ -1378,8 +1378,8 @@ void print_cpu_info(struct cpuinfo_x86 *c)
 
        pr_cont(" (family: 0x%x, model: 0x%x", c->x86, c->x86_model);
 
-       if (c->x86_mask || c->cpuid_level >= 0)
-               pr_cont(", stepping: 0x%x)\n", c->x86_mask);
+       if (c->x86_stepping || c->cpuid_level >= 0)
+               pr_cont(", stepping: 0x%x)\n", c->x86_stepping);
        else
                pr_cont(")\n");
 }

diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index 6b4bb33..8949b7a 100644 (file)
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -215,7 +215,7 @@ static void init_cyrix(struct cpuinfo_x86 *c)
 
        /* common case step number/rev -- exceptions handled below */
        c->x86_model = (dir1 >> 4) + 1;
-       c->x86_mask = dir1 & 0xf;
+       c->x86_stepping = dir1 & 0xf;
 
        /* Now cook; the original recipe is by Channing Corn, from Cyrix.
         * We do the same thing for each generation: we work out

diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index ef796f1..d19e903 100644 (file)
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -146,7 +146,7 @@ static bool bad_spectre_microcode(struct cpuinfo_x86 *c)
 
        for (i = 0; i < ARRAY_SIZE(spectre_bad_microcodes); i++) {
                if (c->x86_model == spectre_bad_microcodes[i].model &&
-                   c->x86_mask == spectre_bad_microcodes[i].stepping)
+                   c->x86_stepping == spectre_bad_microcodes[i].stepping)
                        return (c->microcode <= spectre_bad_microcodes[i].microcode);
        }
        return false;
@@ -193,7 +193,7 @@ static void early_init_intel(struct cpuinfo_x86 *c)
         * need the microcode to have already been loaded... so if it is
         * not, recommend a BIOS update and disable large pages.
         */
-       if (c->x86 == 6 && c->x86_model == 0x1c && c->x86_mask <= 2 &&
+       if (c->x86 == 6 && c->x86_model == 0x1c && c->x86_stepping <= 2 &&
            c->microcode < 0x20e) {
                pr_warn("Atom PSE erratum detected, BIOS microcode update recommended\n");
                clear_cpu_cap(c, X86_FEATURE_PSE);
@@ -209,7 +209,7 @@ static void early_init_intel(struct cpuinfo_x86 *c)
 
        /* CPUID workaround for 0F33/0F34 CPU */
        if (c->x86 == 0xF && c->x86_model == 0x3
-           && (c->x86_mask == 0x3 || c->x86_mask == 0x4))
+           && (c->x86_stepping == 0x3 || c->x86_stepping == 0x4))
                c->x86_phys_bits = 36;
 
        /*
@@ -307,7 +307,7 @@ int ppro_with_ram_bug(void)
        if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
            boot_cpu_data.x86 == 6 &&
            boot_cpu_data.x86_model == 1 &&
-           boot_cpu_data.x86_mask < 8) {
+           boot_cpu_data.x86_stepping < 8) {
                pr_info("Pentium Pro with Errata#50 detected. Taking evasive action.\n");
                return 1;
        }
@@ -324,7 +324,7 @@ static void intel_smp_check(struct cpuinfo_x86 *c)
         * Mask B, Pentium, but not Pentium MMX
         */
        if (c->x86 == 5 &&
-           c->x86_mask >= 1 && c->x86_mask <= 4 &&
+           c->x86_stepping >= 1 && c->x86_stepping <= 4 &&
            c->x86_model <= 3) {
                /*
                 * Remember we have B step Pentia with bugs
@@ -367,7 +367,7 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
         * SEP CPUID bug: Pentium Pro reports SEP but doesn't have it until
         * model 3 mask 3
         */
-       if ((c->x86<<8 | c->x86_model<<4 | c->x86_mask) < 0x633)
+       if ((c->x86<<8 | c->x86_model<<4 | c->x86_stepping) < 0x633)
                clear_cpu_cap(c, X86_FEATURE_SEP);
 
        /*
@@ -385,7 +385,7 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
         * P4 Xeon erratum 037 workaround.
         * Hardware prefetcher may cause stale data to be loaded into the cache.
         */
-       if ((c->x86 == 15) && (c->x86_model == 1) && (c->x86_mask == 1)) {
+       if ((c->x86 == 15) && (c->x86_model == 1) && (c->x86_stepping == 1)) {
                if (msr_set_bit(MSR_IA32_MISC_ENABLE,
                                MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE_BIT) > 0) {
                        pr_info("CPU: C0 stepping P4 Xeon detected.\n");
@@ -400,7 +400,7 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
         * Specification Update").
         */
        if (boot_cpu_has(X86_FEATURE_APIC) && (c->x86<<8 | c->x86_model<<4) == 0x520 &&
-           (c->x86_mask < 0x6 || c->x86_mask == 0xb))
+           (c->x86_stepping < 0x6 || c->x86_stepping == 0xb))
                set_cpu_bug(c, X86_BUG_11AP);
 
 
@@ -647,7 +647,7 @@ static void init_intel(struct cpuinfo_x86 *c)
                case 6:
                        if (l2 == 128)
                                p = "Celeron (Mendocino)";
-                       else if (c->x86_mask == 0 || c->x86_mask == 5)
+                       else if (c->x86_stepping == 0 || c->x86_stepping == 5)
                                p = "Celeron-A";
                        break;
 

diff --git a/arch/x86/kernel/cpu/intel_rdt.c b/arch/x86/kernel/cpu/intel_rdt.c
index 9944237..18dd8f2 100644 (file)
--- a/arch/x86/kernel/cpu/intel_rdt.c
+++ b/arch/x86/kernel/cpu/intel_rdt.c
@@ -771,7 +771,7 @@ static __init void rdt_quirks(void)
                        cache_alloc_hsw_probe();
                break;
        case INTEL_FAM6_SKYLAKE_X:
-               if (boot_cpu_data.x86_mask <= 4)
+               if (boot_cpu_data.x86_stepping <= 4)
                        set_rdt_options("!cmt,!mbmtotal,!mbmlocal,!l3cat");
        }
 }

diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index f7c55b0..b94279b 100644 (file)
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -921,7 +921,7 @@ static bool is_blacklisted(unsigned int cpu)
         */
        if (c->x86 == 6 &&
            c->x86_model == INTEL_FAM6_BROADWELL_X &&
-           c->x86_mask == 0x01 &&
+           c->x86_stepping == 0x01 &&
            llc_size_per_core > 2621440 &&
            c->microcode < 0x0b000021) {
                pr_err_once("Erratum BDF90: late loading with revision < 0x0b000021 (0x%x) disabled.\n", c->microcode);
@@ -944,7 +944,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device,
                return UCODE_NFOUND;
 
        sprintf(name, "intel-ucode/%02x-%02x-%02x",
-               c->x86, c->x86_model, c->x86_mask);
+               c->x86, c->x86_model, c->x86_stepping);
 
        if (request_firmware_direct(&firmware, name, device)) {
                pr_debug("data file %s load failed\n", name);

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index fdc5521..e12ee86 100644 (file)
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -859,7 +859,7 @@ int generic_validate_add_page(unsigned long base, unsigned long size,
         */
        if (is_cpu(INTEL) && boot_cpu_data.x86 == 6 &&
            boot_cpu_data.x86_model == 1 &&
-           boot_cpu_data.x86_mask <= 7) {
+           boot_cpu_data.x86_stepping <= 7) {
                if (base & ((1 << (22 - PAGE_SHIFT)) - 1)) {
                        pr_warn("mtrr: base(0x%lx000) is not 4 MiB aligned\n", base);
                        return -EINVAL;

diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 40d5a8a..7468de4 100644 (file)
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -711,8 +711,8 @@ void __init mtrr_bp_init(void)
                        if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
                            boot_cpu_data.x86 == 0xF &&
                            boot_cpu_data.x86_model == 0x3 &&
-                           (boot_cpu_data.x86_mask == 0x3 ||
-                            boot_cpu_data.x86_mask == 0x4))
+                           (boot_cpu_data.x86_stepping == 0x3 ||
+                            boot_cpu_data.x86_stepping == 0x4))
                                phys_addr = 36;
 
                        size_or_mask = SIZE_OR_MASK_BITS(phys_addr);

diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index e7eceda..ee4cc38 100644 (file)
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -72,8 +72,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                   c->x86_model,
                   c->x86_model_id[0] ? c->x86_model_id : "unknown");
 
-       if (c->x86_mask || c->cpuid_level >= 0)
-               seq_printf(m, "stepping\t: %d\n", c->x86_mask);
+       if (c->x86_stepping || c->cpuid_level >= 0)
+               seq_printf(m, "stepping\t: %d\n", c->x86_stepping);
        else
                seq_puts(m, "stepping\t: unknown\n");
        if (c->microcode)

diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index c290209..b59e4fb 100644 (file)
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -37,7 +37,7 @@
 #define X86            new_cpu_data+CPUINFO_x86
 #define X86_VENDOR     new_cpu_data+CPUINFO_x86_vendor
 #define X86_MODEL      new_cpu_data+CPUINFO_x86_model
-#define X86_MASK       new_cpu_data+CPUINFO_x86_mask
+#define X86_STEPPING   new_cpu_data+CPUINFO_x86_stepping
 #define X86_HARD_MATH  new_cpu_data+CPUINFO_hard_math
 #define X86_CPUID      new_cpu_data+CPUINFO_cpuid_level
 #define X86_CAPABILITY new_cpu_data+CPUINFO_x86_capability
@@ -332,7 +332,7 @@ ENTRY(startup_32_smp)
        shrb $4,%al
        movb %al,X86_MODEL
        andb $0x0f,%cl          # mask mask revision
-       movb %cl,X86_MASK
+       movb %cl,X86_STEPPING
        movl %edx,X86_CAPABILITY
 
 .Lis486:

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 3a4b128..bc6bc66 100644 (file)
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -407,7 +407,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
        processor.apicver = mpc_default_type > 4 ? 0x10 : 0x01;
        processor.cpuflag = CPU_ENABLED;
        processor.cpufeature = (boot_cpu_data.x86 << 8) |
-           (boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_mask;
+           (boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_stepping;
        processor.featureflag = boot_cpu_data.x86_capability[CPUID_1_EDX];
        processor.reserved[0] = 0;
        processor.reserved[1] = 0;

diff --git a/arch/x86/lib/cpu.c b/arch/x86/lib/cpu.c
index d6f848d..2dd1fe1 100644 (file)
--- a/arch/x86/lib/cpu.c
+++ b/arch/x86/lib/cpu.c
@@ -18,7 +18,7 @@ unsigned int x86_model(unsigned int sig)
 {
        unsigned int fam, model;
 
-        fam = x86_family(sig);
+       fam = x86_family(sig);
 
        model = (sig >> 4) & 0xf;
 

diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index d1f5bb5..6e9df55 100644 (file)
--- a/drivers/char/hw_random/via-rng.c
+++ b/drivers/char/hw_random/via-rng.c
@@ -162,7 +162,7 @@ static int via_rng_init(struct hwrng *rng)
        /* Enable secondary noise source on CPUs where it is present. */
 
        /* Nehemiah stepping 8 and higher */
-       if ((c->x86_model == 9) && (c->x86_mask > 7))
+       if ((c->x86_model == 9) && (c->x86_stepping > 7))
                lo |= VIA_NOISESRC2;
 
        /* Esther */

diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 3a2ca0f..d0c34df 100644 (file)
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -629,7 +629,7 @@ static int acpi_cpufreq_blacklist(struct cpuinfo_x86 *c)
        if (c->x86_vendor == X86_VENDOR_INTEL) {
                if ((c->x86 == 15) &&
                    (c->x86_model == 6) &&
-                   (c->x86_mask == 8)) {
+                   (c->x86_stepping == 8)) {
                        pr_info("Intel(R) Xeon(R) 7100 Errata AL30, processors may lock up on frequency changes: disabling acpi-cpufreq\n");
                        return -ENODEV;
                    }

diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c
index c46a12d..d5e27bc 100644 (file)
--- a/drivers/cpufreq/longhaul.c
+++ b/drivers/cpufreq/longhaul.c
@@ -775,7 +775,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy)
                break;
 
        case 7:
-               switch (c->x86_mask) {
+               switch (c->x86_stepping) {
                case 0:
                        longhaul_version = TYPE_LONGHAUL_V1;
                        cpu_model = CPU_SAMUEL2;
@@ -787,7 +787,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy)
                        break;
                case 1 ... 15:
                        longhaul_version = TYPE_LONGHAUL_V2;
-                       if (c->x86_mask < 8) {
+                       if (c->x86_stepping < 8) {
                                cpu_model = CPU_SAMUEL2;
                                cpuname = "C3 'Samuel 2' [C5B]";
                        } else {
@@ -814,7 +814,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy)
                numscales = 32;
                memcpy(mults, nehemiah_mults, sizeof(nehemiah_mults));
                memcpy(eblcr, nehemiah_eblcr, sizeof(nehemiah_eblcr));
-               switch (c->x86_mask) {
+               switch (c->x86_stepping) {
                case 0 ... 1:
                        cpu_model = CPU_NEHEMIAH;
                        cpuname = "C3 'Nehemiah A' [C5XLOE]";

diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c
index fd77812..a25741b 100644 (file)
--- a/drivers/cpufreq/p4-clockmod.c
+++ b/drivers/cpufreq/p4-clockmod.c
@@ -168,7 +168,7 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy)
 #endif
 
        /* Errata workaround */
-       cpuid = (c->x86 << 8) | (c->x86_model << 4) | c->x86_mask;
+       cpuid = (c->x86 << 8) | (c->x86_model << 4) | c->x86_stepping;
        switch (cpuid) {
        case 0x0f07:
        case 0x0f0a:

diff --git a/drivers/cpufreq/powernow-k7.c b/drivers/cpufreq/powernow-k7.c
index 80ac313..302e9ce 100644 (file)
--- a/drivers/cpufreq/powernow-k7.c
+++ b/drivers/cpufreq/powernow-k7.c
@@ -131,7 +131,7 @@ static int check_powernow(void)
                return 0;
        }
 
-       if ((c->x86_model == 6) && (c->x86_mask == 0)) {
+       if ((c->x86_model == 6) && (c->x86_stepping == 0)) {
                pr_info("K7 660[A0] core detected, enabling errata workarounds\n");
                have_a0 = 1;
        }

diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c
index 41bc539..4fa5adf 100644 (file)
--- a/drivers/cpufreq/speedstep-centrino.c
+++ b/drivers/cpufreq/speedstep-centrino.c
@@ -37,7 +37,7 @@ struct cpu_id
 {
        __u8    x86;            /* CPU family */
        __u8    x86_model;      /* model */
-       __u8    x86_mask;       /* stepping */
+       __u8    x86_stepping;   /* stepping */
 };
 
 enum {
@@ -277,7 +277,7 @@ static int centrino_verify_cpu_id(const struct cpuinfo_x86 *c,
 {
        if ((c->x86 == x->x86) &&
            (c->x86_model == x->x86_model) &&
-           (c->x86_mask == x->x86_mask))
+           (c->x86_stepping == x->x86_stepping))
                return 1;
        return 0;
 }

diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c
index 8085ec9..e3a9962 100644 (file)
--- a/drivers/cpufreq/speedstep-lib.c
+++ b/drivers/cpufreq/speedstep-lib.c
@@ -272,9 +272,9 @@ unsigned int speedstep_detect_processor(void)
                ebx = cpuid_ebx(0x00000001);
                ebx &= 0x000000FF;
 
-               pr_debug("ebx value is %x, x86_mask is %x\n", ebx, c->x86_mask);
+               pr_debug("ebx value is %x, x86_stepping is %x\n", ebx, c->x86_stepping);
 
-               switch (c->x86_mask) {
+               switch (c->x86_stepping) {
                case 4:
                        /*
                         * B-stepping [M-P4-M]
@@ -361,7 +361,7 @@ unsigned int speedstep_detect_processor(void)
                                msr_lo, msr_hi);
                if ((msr_hi & (1<<18)) &&
                    (relaxed_check ? 1 : (msr_hi & (3<<24)))) {
-                       if (c->x86_mask == 0x01) {
+                       if (c->x86_stepping == 0x01) {
                                pr_debug("early PIII version\n");
                                return SPEEDSTEP_CPU_PIII_C_EARLY;
                        } else

diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 4b6642a..1c6cbda 100644 (file)
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -512,7 +512,7 @@ static int __init padlock_init(void)
 
        printk(KERN_NOTICE PFX "Using VIA PadLock ACE for AES algorithm.\n");
 
-       if (c->x86 == 6 && c->x86_model == 15 && c->x86_mask == 2) {
+       if (c->x86 == 6 && c->x86_model == 15 && c->x86_stepping == 2) {
                ecb_fetch_blocks = MAX_ECB_FETCH_BLOCKS;
                cbc_fetch_blocks = MAX_CBC_FETCH_BLOCKS;
                printk(KERN_NOTICE PFX "VIA Nano stepping 2 detected: enabling workaround.\n");

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8b16ec5..329cb96 100644 (file)
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -3147,7 +3147,7 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt)
        struct amd64_family_type *fam_type = NULL;
 
        pvt->ext_model  = boot_cpu_data.x86_model >> 4;
-       pvt->stepping   = boot_cpu_data.x86_mask;
+       pvt->stepping   = boot_cpu_data.x86_stepping;
        pvt->model      = boot_cpu_data.x86_model;
        pvt->fam        = boot_cpu_data.x86;
 

diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index c13a4fd..a42744c 100644 (file)
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -268,13 +268,13 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev)
        for (i = 0; i < ARRAY_SIZE(tjmax_model_table); i++) {
                const struct tjmax_model *tm = &tjmax_model_table[i];
                if (c->x86_model == tm->model &&
-                   (tm->mask == ANY || c->x86_mask == tm->mask))
+                   (tm->mask == ANY || c->x86_stepping == tm->mask))
                        return tm->tjmax;
        }
 
        /* Early chips have no MSR for TjMax */
 
-       if (c->x86_model == 0xf && c->x86_mask < 4)
+       if (c->x86_model == 0xf && c->x86_stepping < 4)
                usemsr_ee = 0;
 
        if (c->x86_model > 0xe && usemsr_ee) {
@@ -425,7 +425,7 @@ static int chk_ucode_version(unsigned int cpu)
         * Readings might stop update when processor visited too deep sleep,
         * fixed for stepping D0 (6EC).
         */
-       if (c->x86_model == 0xe && c->x86_mask < 0xc && c->microcode < 0x39) {
+       if (c->x86_model == 0xe && c->x86_stepping < 0xc && c->microcode < 0x39) {
                pr_err("Errata AE18 not fixed, update BIOS or microcode of the CPU!\n");
                return -ENODEV;
        }

diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index ef91b8a..84e9128 100644 (file)
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -293,7 +293,7 @@ u8 vid_which_vrm(void)
        if (c->x86 < 6)         /* Any CPU with family lower than 6 */
                return 0;       /* doesn't have VID */
 
-       vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_mask, c->x86_vendor);
+       vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_stepping, c->x86_vendor);
        if (vrm_ret == 134)
                vrm_ret = get_via_model_d_vrm();
        if (vrm_ret == 0)

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 0721e17..b960015 100644 (file)
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -226,7 +226,7 @@ static bool has_erratum_319(struct pci_dev *pdev)
         * and AM3 formats, but that's the best we can do.
         */
        return boot_cpu_data.x86_model < 4 ||
-              (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_mask <= 2);
+              (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_stepping <= 2);
 }
 
 static int k10temp_probe(struct pci_dev *pdev,

diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index 5a632bc..e59f911 100644 (file)
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -187,7 +187,7 @@ static int k8temp_probe(struct pci_dev *pdev,
                return -ENOMEM;
 
        model = boot_cpu_data.x86_model;
-       stepping = boot_cpu_data.x86_mask;
+       stepping = boot_cpu_data.x86_stepping;
 
        /* feature available since SH-C0, exclude older revisions */
        if ((model == 4 && stepping == 0) ||

diff --git a/drivers/video/fbdev/geode/video_gx.c b/drivers/video/fbdev/geode/video_gx.c
index 6082f65..67773e8 100644 (file)
--- a/drivers/video/fbdev/geode/video_gx.c
+++ b/drivers/video/fbdev/geode/video_gx.c
@@ -127,7 +127,7 @@ void gx_set_dclk_frequency(struct fb_info *info)
        int timeout = 1000;
 
        /* Rev. 1 Geode GXs use a 14 MHz reference clock instead of 48 MHz. */
-       if (cpu_data(0).x86_mask == 1) {
+       if (cpu_data(0).x86_stepping == 1) {
                pll_table = gx_pll_table_14MHz;
                pll_table_len = ARRAY_SIZE(gx_pll_table_14MHz);
        } else {