diff options
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/apic/apic.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/apic/apic_flat_64.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/addon_cpuid_features.c | 1 | ||||
-rw-r--r--[-rwxr-xr-x] | arch/x86/kernel/cpu/cpu_debug.c | 0 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 55 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/longhaul.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/ftrace.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/irq.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 8 | ||||
-rw-r--r-- | arch/x86/kernel/pci-nommu.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/ptrace.c | 3 | ||||
-rw-r--r-- | arch/x86/kernel/reboot.c | 8 |
12 files changed, 56 insertions, 36 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 098ec84b8c00..f2870920f246 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -431,6 +431,12 @@ static void __cpuinit setup_APIC_timer(void) { struct clock_event_device *levt = &__get_cpu_var(lapic_events); + if (cpu_has(¤t_cpu_data, X86_FEATURE_ARAT)) { + lapic_clockevent.features &= ~CLOCK_EVT_FEAT_C3STOP; + /* Make LAPIC timer preferrable over percpu HPET */ + lapic_clockevent.rating = 150; + } + memcpy(levt, &lapic_clockevent, sizeof(*levt)); levt->cpumask = cpumask_of(smp_processor_id()); diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c index 0014714ea97b..306e5e88fb6f 100644 --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c @@ -212,7 +212,7 @@ struct apic apic_flat = { .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = NULL, .smp_callin_clear_local_apic = NULL, - .inquire_remote_apic = NULL, + .inquire_remote_apic = default_inquire_remote_apic, .read = native_apic_mem_read, .write = native_apic_mem_write, @@ -362,7 +362,7 @@ struct apic apic_physflat = { .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = NULL, .smp_callin_clear_local_apic = NULL, - .inquire_remote_apic = NULL, + .inquire_remote_apic = default_inquire_remote_apic, .read = native_apic_mem_read, .write = native_apic_mem_write, diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c index 8220ae69849d..c965e5212714 100644 --- a/arch/x86/kernel/cpu/addon_cpuid_features.c +++ b/arch/x86/kernel/cpu/addon_cpuid_features.c @@ -31,6 +31,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c) static const struct cpuid_bit __cpuinitconst cpuid_bits[] = { { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 }, + { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 }, { 0, 0, 0, 0 } }; diff --git a/arch/x86/kernel/cpu/cpu_debug.c b/arch/x86/kernel/cpu/cpu_debug.c index 46e29ab96c6a..46e29ab96c6a 100755..100644 --- a/arch/x86/kernel/cpu/cpu_debug.c +++ b/arch/x86/kernel/cpu/cpu_debug.c diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 19f6b9d27e83..9d3af380c6bd 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -68,6 +68,7 @@ struct acpi_cpufreq_data { unsigned int max_freq; unsigned int resume; unsigned int cpu_feature; + u64 saved_aperf, saved_mperf; }; static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data); @@ -241,26 +242,23 @@ static u32 get_cur_val(const struct cpumask *mask) return cmd.val; } -struct perf_cur { +struct perf_pair { union { struct { u32 lo; u32 hi; } split; u64 whole; - } aperf_cur, mperf_cur; + } aperf, mperf; }; static long read_measured_perf_ctrs(void *_cur) { - struct perf_cur *cur = _cur; + struct perf_pair *cur = _cur; - rdmsr(MSR_IA32_APERF, cur->aperf_cur.split.lo, cur->aperf_cur.split.hi); - rdmsr(MSR_IA32_MPERF, cur->mperf_cur.split.lo, cur->mperf_cur.split.hi); - - wrmsr(MSR_IA32_APERF, 0, 0); - wrmsr(MSR_IA32_MPERF, 0, 0); + rdmsr(MSR_IA32_APERF, cur->aperf.split.lo, cur->aperf.split.hi); + rdmsr(MSR_IA32_MPERF, cur->mperf.split.lo, cur->mperf.split.hi); return 0; } @@ -281,52 +279,57 @@ static long read_measured_perf_ctrs(void *_cur) static unsigned int get_measured_perf(struct cpufreq_policy *policy, unsigned int cpu) { - struct perf_cur cur; + struct perf_pair readin, cur; unsigned int perf_percent; unsigned int retval; - if (!work_on_cpu(cpu, read_measured_perf_ctrs, &cur)) + if (!work_on_cpu(cpu, read_measured_perf_ctrs, &readin)) return 0; + cur.aperf.whole = readin.aperf.whole - + per_cpu(drv_data, cpu)->saved_aperf; + cur.mperf.whole = readin.mperf.whole - + per_cpu(drv_data, cpu)->saved_mperf; + per_cpu(drv_data, cpu)->saved_aperf = readin.aperf.whole; + per_cpu(drv_data, cpu)->saved_mperf = readin.mperf.whole; + #ifdef __i386__ /* * We dont want to do 64 bit divide with 32 bit kernel * Get an approximate value. Return failure in case we cannot get * an approximate value. */ - if (unlikely(cur.aperf_cur.split.hi || cur.mperf_cur.split.hi)) { + if (unlikely(cur.aperf.split.hi || cur.mperf.split.hi)) { int shift_count; u32 h; - h = max_t(u32, cur.aperf_cur.split.hi, cur.mperf_cur.split.hi); + h = max_t(u32, cur.aperf.split.hi, cur.mperf.split.hi); shift_count = fls(h); - cur.aperf_cur.whole >>= shift_count; - cur.mperf_cur.whole >>= shift_count; + cur.aperf.whole >>= shift_count; + cur.mperf.whole >>= shift_count; } - if (((unsigned long)(-1) / 100) < cur.aperf_cur.split.lo) { + if (((unsigned long)(-1) / 100) < cur.aperf.split.lo) { int shift_count = 7; - cur.aperf_cur.split.lo >>= shift_count; - cur.mperf_cur.split.lo >>= shift_count; + cur.aperf.split.lo >>= shift_count; + cur.mperf.split.lo >>= shift_count; } - if (cur.aperf_cur.split.lo && cur.mperf_cur.split.lo) - perf_percent = (cur.aperf_cur.split.lo * 100) / - cur.mperf_cur.split.lo; + if (cur.aperf.split.lo && cur.mperf.split.lo) + perf_percent = (cur.aperf.split.lo * 100) / cur.mperf.split.lo; else perf_percent = 0; #else - if (unlikely(((unsigned long)(-1) / 100) < cur.aperf_cur.whole)) { + if (unlikely(((unsigned long)(-1) / 100) < cur.aperf.whole)) { int shift_count = 7; - cur.aperf_cur.whole >>= shift_count; - cur.mperf_cur.whole >>= shift_count; + cur.aperf.whole >>= shift_count; + cur.mperf.whole >>= shift_count; } - if (cur.aperf_cur.whole && cur.mperf_cur.whole) - perf_percent = (cur.aperf_cur.whole * 100) / - cur.mperf_cur.whole; + if (cur.aperf.whole && cur.mperf.whole) + perf_percent = (cur.aperf.whole * 100) / cur.mperf.whole; else perf_percent = 0; diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c index 0bd48e65a0ca..ce2ed3e4aad9 100644 --- a/arch/x86/kernel/cpu/cpufreq/longhaul.c +++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c @@ -33,7 +33,6 @@ #include <linux/timex.h> #include <linux/io.h> #include <linux/acpi.h> -#include <linux/kernel.h> #include <asm/msr.h> #include <acpi/processor.h> diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 70a10ca100f6..18dfa30795c9 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -18,6 +18,8 @@ #include <linux/init.h> #include <linux/list.h> +#include <trace/syscall.h> + #include <asm/cacheflush.h> #include <asm/ftrace.h> #include <asm/nops.h> diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 3aaf7b9e3a8b..c3fe010d74c8 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -65,7 +65,7 @@ static int show_other_interrupts(struct seq_file *p, int prec) seq_printf(p, " Spurious interrupts\n"); #endif if (generic_interrupt_extension) { - seq_printf(p, "PLT: "); + seq_printf(p, "%*s: ", prec, "PLT"); for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->generic_irqs); seq_printf(p, " Platform interrupts\n"); diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 90f5b9ef5def..745579bc8256 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -40,7 +40,7 @@ EXPORT_SYMBOL(bad_dma_address); to older i386. */ struct device x86_dma_fallback_dev = { .init_name = "fallback device", - .coherent_dma_mask = DMA_32BIT_MASK, + .coherent_dma_mask = DMA_BIT_MASK(32), .dma_mask = &x86_dma_fallback_dev.coherent_dma_mask, }; EXPORT_SYMBOL(x86_dma_fallback_dev); @@ -148,7 +148,7 @@ again: if (!is_buffer_dma_capable(dma_mask, addr, size)) { __free_pages(page, get_order(size)); - if (dma_mask < DMA_32BIT_MASK && !(flag & GFP_DMA)) { + if (dma_mask < DMA_BIT_MASK(32) && !(flag & GFP_DMA)) { flag = (flag & ~GFP_DMA32) | GFP_DMA; goto again; } @@ -243,7 +243,7 @@ int dma_supported(struct device *dev, u64 mask) /* Copied from i386. Doesn't make much sense, because it will only work for pci_alloc_coherent. The caller just has to use GFP_DMA in this case. */ - if (mask < DMA_24BIT_MASK) + if (mask < DMA_BIT_MASK(24)) return 0; /* Tell the device to use SAC when IOMMU force is on. This @@ -258,7 +258,7 @@ int dma_supported(struct device *dev, u64 mask) SAC for these. Assume all masks <= 40 bits are of this type. Normally this doesn't make any difference, but gives more gentle handling of IOMMU overflow. */ - if (iommu_sac_force && (mask >= DMA_40BIT_MASK)) { + if (iommu_sac_force && (mask >= DMA_BIT_MASK(40))) { dev_info(dev, "Force SAC with mask %Lx\n", mask); return 0; } diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c index c6d703b39326..71d412a09f30 100644 --- a/arch/x86/kernel/pci-nommu.c +++ b/arch/x86/kernel/pci-nommu.c @@ -15,7 +15,7 @@ static int check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) { if (hwdev && !is_buffer_dma_capable(*hwdev->dma_mask, bus, size)) { - if (*hwdev->dma_mask >= DMA_32BIT_MASK) + if (*hwdev->dma_mask >= DMA_BIT_MASK(32)) printk(KERN_ERR "nommu_%s: overflow %Lx+%zu of device mask %Lx\n", name, (long long)bus, size, diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index fe9345c967de..23b7c8f017e2 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -21,7 +21,6 @@ #include <linux/audit.h> #include <linux/seccomp.h> #include <linux/signal.h> -#include <linux/ftrace.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -35,6 +34,8 @@ #include <asm/proto.h> #include <asm/ds.h> +#include <trace/syscall.h> + #include "tls.h" enum x86_regset { diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 2aef36d8aca2..1340dad417f4 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -224,6 +224,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Dell XPS710"), }, }, + { /* Handle problems with rebooting on Dell DXP061 */ + .callback = set_bios_reboot, + .ident = "Dell DXP061", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Dell DXP061"), + }, + }, { } }; |