diff options
author | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
---|---|---|
committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
commit | ab11b487402f97975f3ac1eeea09c82f4431481e (patch) | |
tree | 86337c5cbbd2b0c4bd07c0847a1dc7de3d898147 /arch/x86/kernel/cpu | |
parent | 1c689cbcf2c2b7a35cd237abddd9206bb1b6fee1 (diff) | |
parent | fc1caf6eafb30ea185720e29f7f5eccca61ecd60 (diff) | |
download | op-kernel-dev-ab11b487402f97975f3ac1eeea09c82f4431481e.zip op-kernel-dev-ab11b487402f97975f3ac1eeea09c82f4431481e.tar.gz |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 7 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/gx-suspmod.c | 11 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/longhaul.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/longhaul.h | 26 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/longrun.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/p4-clockmod.c | 7 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c | 41 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k7.c | 8 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 19 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/hypervisor.c | 3 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 1 |
11 files changed, 64 insertions, 71 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 1d3cdda..246cd3a 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -34,7 +34,6 @@ #include <linux/compiler.h> #include <linux/dmi.h> #include <linux/slab.h> -#include <trace/events/power.h> #include <linux/acpi.h> #include <linux/io.h> @@ -324,8 +323,6 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, } } - trace_power_frequency(POWER_PSTATE, data->freq_table[next_state].frequency); - switch (data->cpu_feature) { case SYSTEM_INTEL_MSR_CAPABLE: cmd.type = SYSTEM_INTEL_MSR_CAPABLE; @@ -351,7 +348,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, freqs.old = perf->states[perf->state].core_frequency * 1000; freqs.new = data->freq_table[next_state].frequency; - for_each_cpu(i, cmd.mask) { + for_each_cpu(i, policy->cpus) { freqs.cpu = i; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); } @@ -367,7 +364,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, } } - for_each_cpu(i, cmd.mask) { + for_each_cpu(i, policy->cpus) { freqs.cpu = i; cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } diff --git a/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c b/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c index 16e3483..32974cf 100644 --- a/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c +++ b/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c @@ -169,12 +169,9 @@ static int gx_freq_mult[16] = { * Low Level chipset interface * ****************************************************************/ static struct pci_device_id gx_chipset_tbl[] __initdata = { - { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5520, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5510, - PCI_ANY_ID, PCI_ANY_ID }, + { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY), }, + { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5520), }, + { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5510), }, { 0, }, }; @@ -199,7 +196,7 @@ static __init struct pci_dev *gx_detect_chipset(void) } /* detect which companion chip is used */ - while ((gx_pci = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, gx_pci)) != NULL) { + for_each_pci_dev(gx_pci) { if ((pci_match_id(gx_chipset_tbl, gx_pci)) != NULL) return gx_pci; } diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c index 7e7eea4..03162da 100644 --- a/arch/x86/kernel/cpu/cpufreq/longhaul.c +++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c @@ -426,7 +426,7 @@ static int guess_fsb(int mult) } -static int __init longhaul_get_ranges(void) +static int __cpuinit longhaul_get_ranges(void) { unsigned int i, j, k = 0; unsigned int ratio; @@ -530,7 +530,7 @@ static int __init longhaul_get_ranges(void) } -static void __init longhaul_setup_voltagescaling(void) +static void __cpuinit longhaul_setup_voltagescaling(void) { union msr_longhaul longhaul; struct mV_pos minvid, maxvid, vid; @@ -784,7 +784,7 @@ static int longhaul_setup_southbridge(void) return 0; } -static int __init longhaul_cpu_init(struct cpufreq_policy *policy) +static int __cpuinit longhaul_cpu_init(struct cpufreq_policy *policy) { struct cpuinfo_x86 *c = &cpu_data(0); char *cpuname = NULL; diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.h b/arch/x86/kernel/cpu/cpufreq/longhaul.h index e2360a4..cbf48fb 100644 --- a/arch/x86/kernel/cpu/cpufreq/longhaul.h +++ b/arch/x86/kernel/cpu/cpufreq/longhaul.h @@ -56,7 +56,7 @@ union msr_longhaul { /* * VIA C3 Samuel 1 & Samuel 2 (stepping 0) */ -static const int __initdata samuel1_mults[16] = { +static const int __cpuinitdata samuel1_mults[16] = { -1, /* 0000 -> RESERVED */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -75,7 +75,7 @@ static const int __initdata samuel1_mults[16] = { -1, /* 1111 -> RESERVED */ }; -static const int __initdata samuel1_eblcr[16] = { +static const int __cpuinitdata samuel1_eblcr[16] = { 50, /* 0000 -> RESERVED */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -97,7 +97,7 @@ static const int __initdata samuel1_eblcr[16] = { /* * VIA C3 Samuel2 Stepping 1->15 */ -static const int __initdata samuel2_eblcr[16] = { +static const int __cpuinitdata samuel2_eblcr[16] = { 50, /* 0000 -> 5.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -119,7 +119,7 @@ static const int __initdata samuel2_eblcr[16] = { /* * VIA C3 Ezra */ -static const int __initdata ezra_mults[16] = { +static const int __cpuinitdata ezra_mults[16] = { 100, /* 0000 -> 10.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -138,7 +138,7 @@ static const int __initdata ezra_mults[16] = { 120, /* 1111 -> 12.0x */ }; -static const int __initdata ezra_eblcr[16] = { +static const int __cpuinitdata ezra_eblcr[16] = { 50, /* 0000 -> 5.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -160,7 +160,7 @@ static const int __initdata ezra_eblcr[16] = { /* * VIA C3 (Ezra-T) [C5M]. */ -static const int __initdata ezrat_mults[32] = { +static const int __cpuinitdata ezrat_mults[32] = { 100, /* 0000 -> 10.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -196,7 +196,7 @@ static const int __initdata ezrat_mults[32] = { -1, /* 1111 -> RESERVED (12.0x) */ }; -static const int __initdata ezrat_eblcr[32] = { +static const int __cpuinitdata ezrat_eblcr[32] = { 50, /* 0000 -> 5.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -235,7 +235,7 @@ static const int __initdata ezrat_eblcr[32] = { /* * VIA C3 Nehemiah */ -static const int __initdata nehemiah_mults[32] = { +static const int __cpuinitdata nehemiah_mults[32] = { 100, /* 0000 -> 10.0x */ -1, /* 0001 -> 16.0x */ 40, /* 0010 -> 4.0x */ @@ -270,7 +270,7 @@ static const int __initdata nehemiah_mults[32] = { -1, /* 1111 -> 12.0x */ }; -static const int __initdata nehemiah_eblcr[32] = { +static const int __cpuinitdata nehemiah_eblcr[32] = { 50, /* 0000 -> 5.0x */ 160, /* 0001 -> 16.0x */ 40, /* 0010 -> 4.0x */ @@ -315,7 +315,7 @@ struct mV_pos { unsigned short pos; }; -static const struct mV_pos __initdata vrm85_mV[32] = { +static const struct mV_pos __cpuinitdata vrm85_mV[32] = { {1250, 8}, {1200, 6}, {1150, 4}, {1100, 2}, {1050, 0}, {1800, 30}, {1750, 28}, {1700, 26}, {1650, 24}, {1600, 22}, {1550, 20}, {1500, 18}, @@ -326,14 +326,14 @@ static const struct mV_pos __initdata vrm85_mV[32] = { {1475, 17}, {1425, 15}, {1375, 13}, {1325, 11} }; -static const unsigned char __initdata mV_vrm85[32] = { +static const unsigned char __cpuinitdata mV_vrm85[32] = { 0x04, 0x14, 0x03, 0x13, 0x02, 0x12, 0x01, 0x11, 0x00, 0x10, 0x0f, 0x1f, 0x0e, 0x1e, 0x0d, 0x1d, 0x0c, 0x1c, 0x0b, 0x1b, 0x0a, 0x1a, 0x09, 0x19, 0x08, 0x18, 0x07, 0x17, 0x06, 0x16, 0x05, 0x15 }; -static const struct mV_pos __initdata mobilevrm_mV[32] = { +static const struct mV_pos __cpuinitdata mobilevrm_mV[32] = { {1750, 31}, {1700, 30}, {1650, 29}, {1600, 28}, {1550, 27}, {1500, 26}, {1450, 25}, {1400, 24}, {1350, 23}, {1300, 22}, {1250, 21}, {1200, 20}, @@ -344,7 +344,7 @@ static const struct mV_pos __initdata mobilevrm_mV[32] = { {675, 3}, {650, 2}, {625, 1}, {600, 0} }; -static const unsigned char __initdata mV_mobilevrm[32] = { +static const unsigned char __cpuinitdata mV_mobilevrm[32] = { 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, diff --git a/arch/x86/kernel/cpu/cpufreq/longrun.c b/arch/x86/kernel/cpu/cpufreq/longrun.c index e7b559d..fc09f14 100644 --- a/arch/x86/kernel/cpu/cpufreq/longrun.c +++ b/arch/x86/kernel/cpu/cpufreq/longrun.c @@ -165,8 +165,8 @@ static unsigned int longrun_get(unsigned int cpu) * TMTA rules: * performance_pctg = (target_freq - low_freq)/(high_freq - low_freq) */ -static unsigned int __init longrun_determine_freqs(unsigned int *low_freq, - unsigned int *high_freq) +static unsigned int __cpuinit longrun_determine_freqs(unsigned int *low_freq, + unsigned int *high_freq) { u32 msr_lo, msr_hi; u32 save_lo, save_hi; @@ -258,7 +258,7 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq, } -static int __init longrun_cpu_init(struct cpufreq_policy *policy) +static int __cpuinit longrun_cpu_init(struct cpufreq_policy *policy) { int result = 0; diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index 7b8a8ba..bd1cac7 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -178,13 +178,8 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) } } - if (c->x86 != 0xF) { - if (!cpu_has(c, X86_FEATURE_EST)) - printk(KERN_WARNING PFX "Unknown CPU. " - "Please send an e-mail to " - "<cpufreq@vger.kernel.org>\n"); + if (c->x86 != 0xF) return 0; - } /* on P-4s, the TSC runs with constant frequency independent whether * throttling is active or not. */ diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c index ce7cde7..a36de5b 100644 --- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c @@ -368,22 +368,16 @@ static int __init pcc_cpufreq_do_osc(acpi_handle *handle) return -ENODEV; out_obj = output.pointer; - if (out_obj->type != ACPI_TYPE_BUFFER) { - ret = -ENODEV; - goto out_free; - } + if (out_obj->type != ACPI_TYPE_BUFFER) + return -ENODEV; errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0); - if (errors) { - ret = -ENODEV; - goto out_free; - } + if (errors) + return -ENODEV; supported = *((u32 *)(out_obj->buffer.pointer + 4)); - if (!(supported & 0x1)) { - ret = -ENODEV; - goto out_free; - } + if (!(supported & 0x1)) + return -ENODEV; out_free: kfree(output.pointer); @@ -397,13 +391,17 @@ static int __init pcc_cpufreq_probe(void) struct pcc_memory_resource *mem_resource; struct pcc_register_resource *reg_resource; union acpi_object *out_obj, *member; - acpi_handle handle, osc_handle; + acpi_handle handle, osc_handle, pcch_handle; int ret = 0; status = acpi_get_handle(NULL, "\\_SB", &handle); if (ACPI_FAILURE(status)) return -ENODEV; + status = acpi_get_handle(handle, "PCCH", &pcch_handle); + if (ACPI_FAILURE(status)) + return -ENODEV; + status = acpi_get_handle(handle, "_OSC", &osc_handle); if (ACPI_SUCCESS(status)) { ret = pcc_cpufreq_do_osc(&osc_handle); @@ -543,13 +541,13 @@ static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy) if (!pcch_virt_addr) { result = -1; - goto pcch_null; + goto out; } result = pcc_get_offset(cpu); if (result) { dprintk("init: PCCP evaluation failed\n"); - goto free; + goto out; } policy->max = policy->cpuinfo.max_freq = @@ -558,14 +556,15 @@ static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy) ioread32(&pcch_hdr->minimum_frequency) * 1000; policy->cur = pcc_get_freq(cpu); + if (!policy->cur) { + dprintk("init: Unable to get current CPU frequency\n"); + result = -EINVAL; + goto out; + } + dprintk("init: policy->max is %d, policy->min is %d\n", policy->max, policy->min); - - return 0; -free: - pcc_clear_mapping(); - free_percpu(pcc_cpu_info); -pcch_null: +out: return result; } diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c index 9a97116..4a45fd6 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c @@ -569,7 +569,7 @@ static int powernow_verify(struct cpufreq_policy *policy) * We will then get the same kind of behaviour already tested under * the "well-known" other OS. */ -static int __init fixup_sgtc(void) +static int __cpuinit fixup_sgtc(void) { unsigned int sgtc; unsigned int m; @@ -603,7 +603,7 @@ static unsigned int powernow_get(unsigned int cpu) } -static int __init acer_cpufreq_pst(const struct dmi_system_id *d) +static int __cpuinit acer_cpufreq_pst(const struct dmi_system_id *d) { printk(KERN_WARNING PFX "%s laptop with broken PST tables in BIOS detected.\n", @@ -621,7 +621,7 @@ static int __init acer_cpufreq_pst(const struct dmi_system_id *d) * A BIOS update is all that can save them. * Mention this, and disable cpufreq. */ -static struct dmi_system_id __initdata powernow_dmi_table[] = { +static struct dmi_system_id __cpuinitdata powernow_dmi_table[] = { { .callback = acer_cpufreq_pst, .ident = "Acer Aspire", @@ -633,7 +633,7 @@ static struct dmi_system_id __initdata powernow_dmi_table[] = { { } }; -static int __init powernow_cpu_init(struct cpufreq_policy *policy) +static int __cpuinit powernow_cpu_init(struct cpufreq_policy *policy) { union msr_fidvidstatus fidvidstatus; int result; diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 7ec2123..491977b 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -9,7 +9,7 @@ * Based on the powernow-k7.c module written by Dave Jones. * (C) 2003 Dave Jones on behalf of SuSE Labs * (C) 2004 Dominik Brodowski <linux@brodo.de> - * (C) 2004 Pavel Machek <pavel@suse.cz> + * (C) 2004 Pavel Machek <pavel@ucw.cz> * Licensed under the terms of the GNU GPL License version 2. * Based upon datasheets & sample CPUs kindly provided by AMD. * @@ -806,6 +806,8 @@ static int find_psb_table(struct powernow_k8_data *data) * www.amd.com */ printk(KERN_ERR FW_BUG PFX "No PSB or ACPI _PSS objects\n"); + printk(KERN_ERR PFX "Make sure that your BIOS is up to date" + " and Cool'N'Quiet support is enabled in BIOS setup\n"); return -ENODEV; } @@ -910,8 +912,8 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data, { int i; u32 hi = 0, lo = 0; - rdmsr(MSR_PSTATE_CUR_LIMIT, hi, lo); - data->max_hw_pstate = (hi & HW_PSTATE_MAX_MASK) >> HW_PSTATE_MAX_SHIFT; + rdmsr(MSR_PSTATE_CUR_LIMIT, lo, hi); + data->max_hw_pstate = (lo & HW_PSTATE_MAX_MASK) >> HW_PSTATE_MAX_SHIFT; for (i = 0; i < data->acpi_data.state_count; i++) { u32 index; @@ -1023,13 +1025,12 @@ static int get_transition_latency(struct powernow_k8_data *data) } if (max_latency == 0) { /* - * Fam 11h always returns 0 as transition latency. - * This is intended and means "very fast". While cpufreq core - * and governors currently can handle that gracefully, better - * set it to 1 to avoid problems in the future. - * For all others it's a BIOS bug. + * Fam 11h and later may return 0 as transition latency. This + * is intended and means "very fast". While cpufreq core and + * governors currently can handle that gracefully, better set it + * to 1 to avoid problems in the future. */ - if (boot_cpu_data.x86 != 0x11) + if (boot_cpu_data.x86 < 0x11) printk(KERN_ERR FW_WARN PFX "Invalid zero transition " "latency\n"); max_latency = 1; diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c index dd531cc..8095f86 100644 --- a/arch/x86/kernel/cpu/hypervisor.c +++ b/arch/x86/kernel/cpu/hypervisor.c @@ -34,6 +34,9 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] = { &x86_hyper_vmware, &x86_hyper_ms_hyperv, +#ifdef CONFIG_XEN_PVHVM + &x86_hyper_xen_hvm, +#endif }; const struct hypervisor_x86 *x86_hyper; diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 18cc425..1970ef9 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -600,6 +600,7 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b) */ if (!(flags & MCP_DONTLOG) && !mce_dont_log_ce) { mce_log(&m); + atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, &m); add_taint(TAINT_MACHINE_CHECK); } |