diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/p4-clockmod.c | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c | 51 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/speedstep-lib.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/kprobes.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/mfgpt_32.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-swiotlb_64.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/traps.c | 2 |
7 files changed, 46 insertions, 37 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index b8e05ee4f736..beea4466b063 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -160,6 +160,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) switch (c->x86_model) { case 0x0E: /* Core */ case 0x0F: /* Core Duo */ + case 0x16: /* Celeron Core */ p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_PCORE); case 0x0D: /* Pentium M (Dothan) */ @@ -171,7 +172,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) } if (c->x86 != 0xF) { - printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to <cpufreq@vger.kernel.org>\n"); + if (!cpu_has(c, X86_FEATURE_EST)) + printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. " + "Please send an e-mail to <cpufreq@vger.kernel.org>\n"); return 0; } @@ -274,6 +277,7 @@ static struct cpufreq_driver p4clockmod_driver = { .name = "p4-clockmod", .owner = THIS_MODULE, .attr = p4clockmod_attr, + .hide_interface = 1, }; diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c index 3b5f06423e77..f0ea6fa2f53c 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c @@ -459,9 +459,7 @@ static int centrino_verify (struct cpufreq_policy *policy) * Sets a new CPUFreq policy. */ struct allmasks { - cpumask_t online_policy_cpus; cpumask_t saved_mask; - cpumask_t set_mask; cpumask_t covered_cpus; }; @@ -475,9 +473,7 @@ static int centrino_target (struct cpufreq_policy *policy, int retval = 0; unsigned int j, k, first_cpu, tmp; CPUMASK_ALLOC(allmasks); - CPUMASK_PTR(online_policy_cpus, allmasks); CPUMASK_PTR(saved_mask, allmasks); - CPUMASK_PTR(set_mask, allmasks); CPUMASK_PTR(covered_cpus, allmasks); if (unlikely(allmasks == NULL)) @@ -497,30 +493,28 @@ static int centrino_target (struct cpufreq_policy *policy, goto out; } -#ifdef CONFIG_HOTPLUG_CPU - /* cpufreq holds the hotplug lock, so we are safe from here on */ - cpus_and(*online_policy_cpus, cpu_online_map, policy->cpus); -#else - *online_policy_cpus = policy->cpus; -#endif - *saved_mask = current->cpus_allowed; first_cpu = 1; cpus_clear(*covered_cpus); - for_each_cpu_mask_nr(j, *online_policy_cpus) { + for_each_cpu_mask_nr(j, policy->cpus) { + const cpumask_t *mask; + + /* cpufreq holds the hotplug lock, so we are safe here */ + if (!cpu_online(j)) + continue; + /* * Support for SMP systems. * Make sure we are running on CPU that wants to change freq */ - cpus_clear(*set_mask); if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) - cpus_or(*set_mask, *set_mask, *online_policy_cpus); + mask = &policy->cpus; else - cpu_set(j, *set_mask); + mask = &cpumask_of_cpu(j); - set_cpus_allowed_ptr(current, set_mask); + set_cpus_allowed_ptr(current, mask); preempt_disable(); - if (unlikely(!cpu_isset(smp_processor_id(), *set_mask))) { + if (unlikely(!cpu_isset(smp_processor_id(), *mask))) { dprintk("couldn't limit to CPUs in this domain\n"); retval = -EAGAIN; if (first_cpu) { @@ -548,7 +542,9 @@ static int centrino_target (struct cpufreq_policy *policy, dprintk("target=%dkHz old=%d new=%d msr=%04x\n", target_freq, freqs.old, freqs.new, msr); - for_each_cpu_mask_nr(k, *online_policy_cpus) { + for_each_cpu_mask_nr(k, policy->cpus) { + if (!cpu_online(k)) + continue; freqs.cpu = k; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); @@ -571,7 +567,9 @@ static int centrino_target (struct cpufreq_policy *policy, preempt_enable(); } - for_each_cpu_mask_nr(k, *online_policy_cpus) { + for_each_cpu_mask_nr(k, policy->cpus) { + if (!cpu_online(k)) + continue; freqs.cpu = k; cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } @@ -584,18 +582,17 @@ static int centrino_target (struct cpufreq_policy *policy, * Best effort undo.. */ - if (!cpus_empty(*covered_cpus)) - for_each_cpu_mask_nr(j, *covered_cpus) { - set_cpus_allowed_ptr(current, - &cpumask_of_cpu(j)); - wrmsr(MSR_IA32_PERF_CTL, oldmsr, h); - } + for_each_cpu_mask_nr(j, *covered_cpus) { + set_cpus_allowed_ptr(current, &cpumask_of_cpu(j)); + wrmsr(MSR_IA32_PERF_CTL, oldmsr, h); + } tmp = freqs.new; freqs.new = freqs.old; freqs.old = tmp; - for_each_cpu_mask_nr(j, *online_policy_cpus) { - freqs.cpu = j; + for_each_cpu_mask_nr(j, policy->cpus) { + if (!cpu_online(j)) + continue; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c index 98d4fdb7dc04..cdac7d62369b 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c @@ -139,6 +139,15 @@ static unsigned int pentium_core_get_frequency(void) case 3: fsb = 166667; break; + case 2: + fsb = 200000; + break; + case 0: + fsb = 266667; + break; + case 4: + fsb = 333333; + break; default: printk(KERN_ERR "PCORE - MSR_FSB_FREQ undefined value"); } diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 6c27679ec6aa..884d985b8b82 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -376,9 +376,10 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - mutex_lock(&kprobe_mutex); - free_insn_slot(p->ainsn.insn, (p->ainsn.boostable == 1)); - mutex_unlock(&kprobe_mutex); + if (p->ainsn.insn) { + free_insn_slot(p->ainsn.insn, (p->ainsn.boostable == 1)); + p->ainsn.insn = NULL; + } } static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb) @@ -694,7 +695,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) /* * It is possible to have multiple instances associated with a given * task either because multiple functions in the call path have - * return probes installed on them, and/or more then one + * return probes installed on them, and/or more than one * return probe was registered for a target function. * * We can handle this because: diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c index c12314c9e86f..8815f3c7fec7 100644 --- a/arch/x86/kernel/mfgpt_32.c +++ b/arch/x86/kernel/mfgpt_32.c @@ -252,7 +252,7 @@ EXPORT_SYMBOL_GPL(geode_mfgpt_alloc_timer); /* * The MFPGT timers on the CS5536 provide us with suitable timers to use * as clock event sources - not as good as a HPET or APIC, but certainly - * better then the PIT. This isn't a general purpose MFGPT driver, but + * better than the PIT. This isn't a general purpose MFGPT driver, but * a simplified one designed specifically to act as a clock event source. * For full details about the MFGPT, please consult the CS5536 data sheet. */ diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c index 242c3440687f..d59c91747665 100644 --- a/arch/x86/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c @@ -13,7 +13,7 @@ int swiotlb __read_mostly; -void *swiotlb_alloc_boot(size_t size, unsigned long nslabs) +void * __init swiotlb_alloc_boot(size_t size, unsigned long nslabs) { return alloc_bootmem_low_pages(size); } @@ -23,7 +23,7 @@ void *swiotlb_alloc(unsigned order, unsigned long nslabs) return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); } -dma_addr_t swiotlb_phys_to_bus(phys_addr_t paddr) +dma_addr_t swiotlb_phys_to_bus(struct device *hwdev, phys_addr_t paddr) { return paddr; } diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index ce6650eb64e9..c9a666cdd3db 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -20,7 +20,6 @@ #include <linux/module.h> #include <linux/ptrace.h> #include <linux/string.h> -#include <linux/unwind.h> #include <linux/delay.h> #include <linux/errno.h> #include <linux/kexec.h> @@ -51,7 +50,6 @@ #include <asm/debugreg.h> #include <asm/atomic.h> #include <asm/system.h> -#include <asm/unwind.h> #include <asm/traps.h> #include <asm/desc.h> #include <asm/i387.h> |