diff options
Diffstat (limited to 'arch/x86')
31 files changed, 140 insertions, 142 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d1430ef6b4f9..738bdc6b0f8b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1913,25 +1913,26 @@ config DMAR_DEFAULT_ON recommended you say N here while the DMAR code remains experimental. -config DMAR_GFX_WA - def_bool y - prompt "Support for Graphics workaround" +config DMAR_BROKEN_GFX_WA + def_bool n + prompt "Workaround broken graphics drivers (going away soon)" depends on DMAR ---help--- Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config option permits the IOMMU driver to set a unity map for all the OS-visible memory. Hence the driver can continue - to use physical addresses for DMA. + to use physical addresses for DMA, at least until this + option is removed in the 2.6.32 kernel. config DMAR_FLOPPY_WA def_bool y depends on DMAR ---help--- - Floppy disk drivers are know to bypass DMA API calls + Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This workaround will setup a 1:1 mapping for the first - 16M to make floppy (an ISA device) work. + 16MiB to make floppy (an ISA device) work. config INTR_REMAP bool "Support for Interrupt Remapping (EXPERIMENTAL)" diff --git a/arch/x86/boot/video-bios.c b/arch/x86/boot/video-bios.c index d660be492363..49e0c18833e0 100644 --- a/arch/x86/boot/video-bios.c +++ b/arch/x86/boot/video-bios.c @@ -37,14 +37,13 @@ static int set_bios_mode(u8 mode) ireg.al = mode; /* AH=0x00 Set Video Mode */ intcall(0x10, &ireg, NULL); - ireg.ah = 0x0f; /* Get Current Video Mode */ intcall(0x10, &ireg, &oreg); do_restore = 1; /* Assume video contents were lost */ /* Not all BIOSes are clean with the top bit */ - new_mode = ireg.al & 0x7f; + new_mode = oreg.al & 0x7f; if (new_mode == mode) return 0; /* Mode change OK */ diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c index c700147d6ffb..275dd177f198 100644 --- a/arch/x86/boot/video-vesa.c +++ b/arch/x86/boot/video-vesa.c @@ -45,7 +45,7 @@ static int vesa_probe(void) ireg.di = (size_t)&vginfo; intcall(0x10, &ireg, &oreg); - if (ireg.ax != 0x004f || + if (oreg.ax != 0x004f || vginfo.signature != VESA_MAGIC || vginfo.version < 0x0102) return 0; /* Not present */ @@ -70,7 +70,7 @@ static int vesa_probe(void) ireg.di = (size_t)&vminfo; intcall(0x10, &ireg, &oreg); - if (ireg.ax != 0x004f) + if (oreg.ax != 0x004f) continue; if ((vminfo.mode_attr & 0x15) == 0x05) { diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h index 2d81af3974a0..7b2d71df39a6 100644 --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -111,12 +111,9 @@ enum fixed_addresses { #ifdef CONFIG_PARAVIRT FIX_PARAVIRT_BOOTMAP, #endif - FIX_TEXT_POKE0, /* reserve 2 pages for text_poke() */ - FIX_TEXT_POKE1, + FIX_TEXT_POKE1, /* reserve 2 pages for text_poke() */ + FIX_TEXT_POKE0, /* first page is last, because allocation is backward */ __end_of_permanent_fixed_addresses, -#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT - FIX_OHCI1394_BASE, -#endif /* * 256 temporary boot-time mappings, used by early_ioremap(), * before ioremap() is functional. @@ -129,6 +126,9 @@ enum fixed_addresses { FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - (__end_of_permanent_fixed_addresses & 255), FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, +#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT + FIX_OHCI1394_BASE, +#endif #ifdef CONFIG_X86_32 FIX_WP_TEST, #endif diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 1692fb5050e3..6be7fc254b59 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -246,10 +246,6 @@ #define MSR_IA32_MISC_ENABLE_TURBO_DISABLE (1ULL << 38) #define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE (1ULL << 39) -/* Intel Model 6 */ -#define MSR_P6_EVNTSEL0 0x00000186 -#define MSR_P6_EVNTSEL1 0x00000187 - /* P4/Xeon+ specific */ #define MSR_IA32_MCG_EAX 0x00000180 #define MSR_IA32_MCG_EBX 0x00000181 diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h index c97264409934..c86e5ed4af51 100644 --- a/arch/x86/include/asm/nmi.h +++ b/arch/x86/include/asm/nmi.h @@ -72,7 +72,6 @@ void lapic_watchdog_stop(void); int lapic_watchdog_init(unsigned nmi_hz); int lapic_wd_event(unsigned nmi_hz); unsigned lapic_adjust_nmi_hz(unsigned hz); -int lapic_watchdog_ok(void); void disable_lapic_nmi_watchdog(void); void enable_lapic_nmi_watchdog(void); void stop_nmi(void); diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 927958d13c19..1ff685ca221c 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -91,7 +91,7 @@ extern void pci_iommu_alloc(void); #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) -#if defined(CONFIG_X86_64) || defined(CONFIG_DMA_API_DEBUG) +#if defined(CONFIG_X86_64) || defined(CONFIG_DMAR) || defined(CONFIG_DMA_API_DEBUG) #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ dma_addr_t ADDR_NAME; diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h index 49fb3ecf3bb3..621f56d73121 100644 --- a/arch/x86/include/asm/proto.h +++ b/arch/x86/include/asm/proto.h @@ -22,7 +22,14 @@ extern int reboot_force; long do_arch_prctl(struct task_struct *task, int code, unsigned long addr); -#define round_up(x, y) (((x) + (y) - 1) & ~((y) - 1)) -#define round_down(x, y) ((x) & ~((y) - 1)) +/* + * This looks more complex than it should be. But we need to + * get the type for the ~ right in round_down (it needs to be + * as wide as the result!), and we want to evaluate the macro + * arguments just once each. + */ +#define __round_mask(x,y) ((__typeof__(x))((y)-1)) +#define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1) +#define round_down(x,y) ((x) & ~__round_mask(x,y)) #endif /* _ASM_X86_PROTO_H */ diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index b7e5db876399..4e77853321db 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h @@ -302,4 +302,8 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw) #define _raw_read_relax(lock) cpu_relax() #define _raw_write_relax(lock) cpu_relax() +/* The {read|write|spin}_lock() on x86 are full memory barriers. */ +static inline void smp_mb__after_lock(void) { } +#define ARCH_HAS_SMP_MB_AFTER_LOCK + #endif /* _ASM_X86_SPINLOCK_H */ diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index b0783520988b..fad7d40b75f8 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -49,7 +49,7 @@ struct thread_info { .exec_domain = &default_exec_domain, \ .flags = 0, \ .cpu = 0, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ .restart_block = { \ .fn = do_no_restart_syscall, \ diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 6c327b852e23..430d5b24af7b 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -26,6 +26,8 @@ CFLAGS_tsc.o := $(nostackp) CFLAGS_paravirt.o := $(nostackp) GCOV_PROFILE_vsyscall_64.o := n GCOV_PROFILE_hpet.o := n +GCOV_PROFILE_tsc.o := n +GCOV_PROFILE_paravirt.o := n obj-y := process_$(BITS).o signal.o entry_$(BITS).o obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 9372f0406ad4..6c99f5037801 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1192,7 +1192,7 @@ out: return 0; } -struct notifier_block device_nb = { +static struct notifier_block device_nb = { .notifier_call = device_change_notifier, }; @@ -1763,7 +1763,7 @@ static void *alloc_coherent(struct device *dev, size_t size, flag |= __GFP_ZERO; virt_addr = (void *)__get_free_pages(flag, get_order(size)); if (!virt_addr) - return 0; + return NULL; paddr = virt_to_phys(virt_addr); diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 10b2accd12ea..c1b17e97252e 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -472,6 +472,8 @@ static u8 * __init alloc_event_buffer(struct amd_iommu *iommu) if (iommu->evt_buf == NULL) return NULL; + iommu->evt_buf_size = EVT_BUFFER_SIZE; + return iommu->evt_buf; } @@ -691,6 +693,7 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu, devid = e->devid; devid_to = e->ext >> 8; + set_dev_entry_from_acpi(iommu, devid , e->flags, 0); set_dev_entry_from_acpi(iommu, devid_to, e->flags, 0); amd_iommu_alias_table[devid] = devid_to; break; @@ -749,11 +752,13 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu, devid = e->devid; for (dev_i = devid_start; dev_i <= devid; ++dev_i) { - if (alias) + if (alias) { amd_iommu_alias_table[dev_i] = devid_to; - set_dev_entry_from_acpi(iommu, - amd_iommu_alias_table[dev_i], - flags, ext_flags); + set_dev_entry_from_acpi(iommu, + devid_to, flags, ext_flags); + } + set_dev_entry_from_acpi(iommu, dev_i, + flags, ext_flags); } break; default: diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 8c7c042ecad1..0a1c2830ec66 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -140,7 +140,6 @@ int x2apic_mode; #ifdef CONFIG_X86_X2APIC /* x2apic enabled before OS handover */ static int x2apic_preenabled; -static int disable_x2apic; static __init int setup_nox2apic(char *str) { if (x2apic_enabled()) { @@ -149,7 +148,6 @@ static __init int setup_nox2apic(char *str) return 0; } - disable_x2apic = 1; setup_clear_cpu_cap(X86_FEATURE_X2APIC); return 0; } diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 4d0216fcb36c..90b5e6efa938 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1716,25 +1716,19 @@ __apicdebuginit(void) print_IO_APIC(void) return; } -__apicdebuginit(void) print_APIC_bitfield(int base) +__apicdebuginit(void) print_APIC_field(int base) { - unsigned int v; - int i, j; + int i; if (apic_verbosity == APIC_QUIET) return; - printk(KERN_DEBUG "0123456789abcdef0123456789abcdef\n" KERN_DEBUG); - for (i = 0; i < 8; i++) { - v = apic_read(base + i*0x10); - for (j = 0; j < 32; j++) { - if (v & (1<<j)) - printk("1"); - else - printk("0"); - } - printk("\n"); - } + printk(KERN_DEBUG); + + for (i = 0; i < 8; i++) + printk(KERN_CONT "%08x", apic_read(base + i*0x10)); + + printk(KERN_CONT "\n"); } __apicdebuginit(void) print_local_APIC(void *dummy) @@ -1745,7 +1739,7 @@ __apicdebuginit(void) print_local_APIC(void *dummy) if (apic_verbosity == APIC_QUIET) return; - printk("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n", + printk(KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n", smp_processor_id(), hard_smp_processor_id()); v = apic_read(APIC_ID); printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, read_apic_id()); @@ -1786,11 +1780,11 @@ __apicdebuginit(void) print_local_APIC(void *dummy) printk(KERN_DEBUG "... APIC SPIV: %08x\n", v); printk(KERN_DEBUG "... APIC ISR field:\n"); - print_APIC_bitfield(APIC_ISR); + print_APIC_field(APIC_ISR); printk(KERN_DEBUG "... APIC TMR field:\n"); - print_APIC_bitfield(APIC_TMR); + print_APIC_field(APIC_TMR); printk(KERN_DEBUG "... APIC IRR field:\n"); - print_APIC_bitfield(APIC_IRR); + print_APIC_field(APIC_IRR); if (APIC_INTEGRATED(ver)) { /* !82489DX */ if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 81cbe64ed6b4..2a50ef891000 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -299,7 +299,7 @@ static int transition_pstate(struct powernow_k8_data *data, u32 pstate) static int transition_fid_vid(struct powernow_k8_data *data, u32 reqfid, u32 reqvid) { - if (core_voltage_pre_transition(data, reqvid)) + if (core_voltage_pre_transition(data, reqvid, reqfid)) return 1; if (core_frequency_transition(data, reqfid)) @@ -327,17 +327,20 @@ static int transition_fid_vid(struct powernow_k8_data *data, /* Phase 1 - core voltage transition ... setup voltage */ static int core_voltage_pre_transition(struct powernow_k8_data *data, - u32 reqvid) + u32 reqvid, u32 reqfid) { u32 rvosteps = data->rvo; u32 savefid = data->currfid; - u32 maxvid, lo; + u32 maxvid, lo, rvomult = 1; dprintk("ph1 (cpu%d): start, currfid 0x%x, currvid 0x%x, " "reqvid 0x%x, rvo 0x%x\n", smp_processor_id(), data->currfid, data->currvid, reqvid, data->rvo); + if ((savefid < LO_FID_TABLE_TOP) && (reqfid < LO_FID_TABLE_TOP)) + rvomult = 2; + rvosteps *= rvomult; rdmsr(MSR_FIDVID_STATUS, lo, maxvid); maxvid = 0x1f & (maxvid >> 16); dprintk("ph1 maxvid=0x%x\n", maxvid); @@ -351,7 +354,8 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, return 1; } - while ((rvosteps > 0) && ((data->rvo + data->currvid) > reqvid)) { + while ((rvosteps > 0) && + ((rvomult * data->rvo + data->currvid) > reqvid)) { if (data->currvid == maxvid) { rvosteps = 0; } else { @@ -384,13 +388,6 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid) u32 vcoreqfid, vcocurrfid, vcofiddiff; u32 fid_interval, savevid = data->currvid; - if ((reqfid < HI_FID_TABLE_BOTTOM) && - (data->currfid < HI_FID_TABLE_BOTTOM)) { - printk(KERN_ERR PFX "ph2: illegal lo-lo transition " - "0x%x 0x%x\n", reqfid, data->currfid); - return 1; - } - if (data->currfid == reqfid) { printk(KERN_ERR PFX "ph2 null fid transition 0x%x\n", data->currfid); @@ -407,6 +404,9 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid) vcofiddiff = vcocurrfid > vcoreqfid ? vcocurrfid - vcoreqfid : vcoreqfid - vcocurrfid; + if ((reqfid <= LO_FID_TABLE_TOP) && (data->currfid <= LO_FID_TABLE_TOP)) + vcofiddiff = 0; + while (vcofiddiff > 2) { (data->currfid & 1) ? (fid_interval = 1) : (fid_interval = 2); @@ -1081,14 +1081,6 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, return 0; } - if ((fid < HI_FID_TABLE_BOTTOM) && - (data->currfid < HI_FID_TABLE_BOTTOM)) { - printk(KERN_ERR PFX - "ignoring illegal change in lo freq table-%x to 0x%x\n", - data->currfid, fid); - return 1; - } - dprintk("cpu %d, changing to fid 0x%x, vid 0x%x\n", smp_processor_id(), fid, vid); freqs.old = find_khz_freq_from_fid(data->currfid); @@ -1267,7 +1259,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) { static const char ACPI_PSS_BIOS_BUG_MSG[] = KERN_ERR FW_BUG PFX "No compatible ACPI _PSS objects found.\n" - KERN_ERR FW_BUG PFX "Try again with latest BIOS.\n"; + FW_BUG PFX "Try again with latest BIOS.\n"; struct powernow_k8_data *data; struct init_on_cpu init_on_cpu; int rc; diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h index c9c1190b5e1f..02ce824073cb 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h @@ -215,7 +215,8 @@ struct pst_s { #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "powernow-k8", msg) -static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid); +static int core_voltage_pre_transition(struct powernow_k8_data *data, + u32 reqvid, u32 regfid); static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvid); static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid); diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index af425b83202b..484c1e5f658e 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -194,14 +194,14 @@ static void print_mce(struct mce *m) m->cs, m->ip); if (m->cs == __KERNEL_CS) print_symbol("{%s}", m->ip); - printk("\n"); + printk(KERN_CONT "\n"); } printk(KERN_EMERG "TSC %llx ", m->tsc); if (m->addr) - printk("ADDR %llx ", m->addr); + printk(KERN_CONT "ADDR %llx ", m->addr); if (m->misc) - printk("MISC %llx ", m->misc); - printk("\n"); + printk(KERN_CONT "MISC %llx ", m->misc); + printk(KERN_CONT "\n"); printk(KERN_EMERG "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n", m->cpuvendor, m->cpuid, m->time, m->socketid, m->apicid); @@ -209,13 +209,13 @@ static void print_mce(struct mce *m) static void print_mce_head(void) { - printk(KERN_EMERG "\n" KERN_EMERG "HARDWARE ERROR\n"); + printk(KERN_EMERG "\nHARDWARE ERROR\n"); } static void print_mce_tail(void) { printk(KERN_EMERG "This is not a software problem!\n" - KERN_EMERG "Run through mcelog --ascii to decode and contact your hardware vendor\n"); + "Run through mcelog --ascii to decode and contact your hardware vendor\n"); } #define PANIC_TIMEOUT 5 /* 5 seconds */ diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index 5c481f6205bf..e60ed740d2b3 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -803,8 +803,3 @@ int __kprobes lapic_wd_event(unsigned nmi_hz) wd_ops->rearm(wd, nmi_hz); return 1; } - -int lapic_watchdog_ok(void) -{ - return wd_ops != NULL; -} diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 7271fa33d791..5cb5725b2bae 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -627,10 +627,9 @@ __init void e820_setup_gap(void) #ifdef CONFIG_X86_64 if (!found) { gapstart = (max_pfn << PAGE_SHIFT) + 1024*1024; - printk(KERN_ERR "PCI: Warning: Cannot find a gap in the 32bit " - "address range\n" - KERN_ERR "PCI: Unassigned devices with 32bit resource " - "registers may break!\n"); + printk(KERN_ERR + "PCI: Warning: Cannot find a gap in the 32bit address range\n" + "PCI: Unassigned devices with 32bit resource registers may break!\n"); } #endif @@ -1383,6 +1382,8 @@ static unsigned long ram_alignment(resource_size_t pos) return 32*1024*1024; } +#define MAX_RESOURCE_SIZE ((resource_size_t)-1) + void __init e820_reserve_resources_late(void) { int i; @@ -1400,17 +1401,19 @@ void __init e820_reserve_resources_late(void) * avoid stolen RAM: */ for (i = 0; i < e820.nr_map; i++) { - struct e820entry *entry = &e820_saved.map[i]; - resource_size_t start, end; + struct e820entry *entry = &e820.map[i]; + u64 start, end; if (entry->type != E820_RAM) continue; start = entry->addr + entry->size; - end = round_up(start, ram_alignment(start)); - if (start == end) + end = round_up(start, ram_alignment(start)) - 1; + if (end > MAX_RESOURCE_SIZE) + end = MAX_RESOURCE_SIZE; + if (start >= end) continue; - reserve_region_with_split(&iomem_resource, start, - end - 1, "RAM buffer"); + reserve_region_with_split(&iomem_resource, start, end, + "RAM buffer"); } } diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index a78ecad0c900..c664d515f613 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -200,7 +200,7 @@ static void kvm_leave_lazy_mmu(void) state->mode = paravirt_get_lazy_mode(); } -static void paravirt_ops_setup(void) +static void __init paravirt_ops_setup(void) { pv_info.name = "KVM"; pv_info.paravirt_enabled = 1; diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 47630479b067..1a041bcf506b 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -211,11 +211,11 @@ static __init int iommu_setup(char *p) #ifdef CONFIG_SWIOTLB if (!strncmp(p, "soft", 4)) swiotlb = 1; +#endif if (!strncmp(p, "pt", 2)) { iommu_pass_through = 1; return 1; } -#endif gart_parse_options(p); diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index cfd9f9063896..d2e56b8f48e7 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -675,7 +675,7 @@ static __init int init_k8_gatt(struct agp_kern_info *info) nommu: /* Should not happen anymore */ printk(KERN_WARNING "PCI-DMA: More than 4GB of RAM and no IOMMU\n" - KERN_WARNING "falling back to iommu=soft.\n"); + "falling back to iommu=soft.\n"); return -1; } diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S index 9a10a78bb4a4..ebeafcce04a9 100644 --- a/arch/x86/lib/clear_page_64.S +++ b/arch/x86/lib/clear_page_64.S @@ -5,15 +5,14 @@ * Zero a page. * rdi page */ - ALIGN -clear_page_c: +ENTRY(clear_page_c) CFI_STARTPROC movl $4096/8,%ecx xorl %eax,%eax rep stosq ret CFI_ENDPROC -ENDPROC(clear_page) +ENDPROC(clear_page_c) ENTRY(clear_page) CFI_STARTPROC diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S index f118c110af32..6ba0f7bb85ea 100644 --- a/arch/x86/lib/copy_user_64.S +++ b/arch/x86/lib/copy_user_64.S @@ -75,6 +75,7 @@ ENTRY(copy_to_user) jae bad_to_user ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string CFI_ENDPROC +ENDPROC(copy_to_user) /* Standard copy_from_user with segment limit checking */ ENTRY(copy_from_user) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 78a5fff857be..85307cc6e45f 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -426,10 +426,11 @@ static noinline int vmalloc_fault(unsigned long address) } static const char errata93_warning[] = -KERN_ERR "******* Your BIOS seems to not contain a fix for K8 errata #93\n" -KERN_ERR "******* Working around it, but it may cause SEGVs or burn power.\n" -KERN_ERR "******* Please consider a BIOS update.\n" -KERN_ERR "******* Disabling USB legacy in the BIOS may also help.\n"; +KERN_ERR +"******* Your BIOS seems to not contain a fix for K8 errata #93\n" +"******* Working around it, but it may cause SEGVs or burn power.\n" +"******* Please consider a BIOS update.\n" +"******* Disabling USB legacy in the BIOS may also help.\n"; /* * No vm86 mode in 64-bit mode: diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 47ce9a2ce5e7..0607119cef94 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -12,6 +12,7 @@ #include <asm/system.h> #include <asm/tlbflush.h> #include <asm/tlb.h> +#include <asm/proto.h> DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index b177652251a4..6176fe8f29e0 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -598,8 +598,15 @@ void __init paging_init(void) sparse_memory_present_with_active_regions(MAX_NUMNODES); sparse_init(); - /* clear the default setting with node 0 */ - nodes_clear(node_states[N_NORMAL_MEMORY]); + + /* + * clear the default setting with node 0 + * note: don't use nodes_clear here, that is really clearing when + * numa support is not compiled in, and later node_set_state + * will not set it back. + */ + node_clear_state(0, N_NORMAL_MEMORY); + free_area_init_nodes(max_zone_pfns); } diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index b26626dc517c..1014eb4bfc37 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -68,6 +68,10 @@ setup_resource(struct acpi_resource *acpi_res, void *data) unsigned long flags; struct resource *root; int max_root_bus_resources = PCI_BUS_NUM_RESOURCES; + u64 start, end; + + if (bus_has_transparent_bridge(info->bus)) + max_root_bus_resources -= 3; status = resource_to_addr(acpi_res, &addr); if (!ACPI_SUCCESS(status)) @@ -84,25 +88,24 @@ setup_resource(struct acpi_resource *acpi_res, void *data) } else return AE_OK; - res = &info->res[info->res_num]; - res->name = info->name; - res->flags = flags; - res->start = addr.minimum + addr.translation_offset; - res->end = res->start + addr.address_length - 1; - res->child = NULL; - - if (bus_has_transparent_bridge(info->bus)) - max_root_bus_resources -= 3; + start = addr.minimum + addr.translation_offset; + end = start + addr.address_length - 1; if (info->res_num >= max_root_bus_resources) { printk(KERN_WARNING "PCI: Failed to allocate 0x%lx-0x%lx " "from %s for %s due to _CRS returning more than " - "%d resource descriptors\n", (unsigned long) res->start, - (unsigned long) res->end, root->name, info->name, + "%d resource descriptors\n", (unsigned long) start, + (unsigned long) end, root->name, info->name, max_root_bus_resources); - info->res_num++; return AE_OK; } + res = &info->res[info->res_num]; + res->name = info->name; + res->flags = flags; + res->start = start; + res->end = end; + res->child = NULL; + if (insert_resource(root, res)) { printk(KERN_ERR "PCI: Failed to allocate 0x%lx-0x%lx " "from %s for %s\n", (unsigned long) res->start, @@ -115,23 +118,6 @@ setup_resource(struct acpi_resource *acpi_res, void *data) } static void -adjust_transparent_bridge_resources(struct pci_bus *bus) -{ - struct pci_dev *dev; - - list_for_each_entry(dev, &bus->devices, bus_list) { - int i; - u16 class = dev->class >> 8; - - if (class == PCI_CLASS_BRIDGE_PCI && dev->transparent) { - for(i = 3; i < PCI_BUS_NUM_RESOURCES; i++) - dev->subordinate->resource[i] = - dev->bus->resource[i - 3]; - } - } -} - -static void get_current_resources(struct acpi_device *device, int busnum, int domain, struct pci_bus *bus) { @@ -158,8 +144,6 @@ get_current_resources(struct acpi_device *device, int busnum, info.res_num = 0; acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource, &info); - if (info.res_num) - adjust_transparent_bridge_resources(bus); return; @@ -222,8 +206,15 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do */ memcpy(bus->sysdata, sd, sizeof(*sd)); kfree(sd); - } else - bus = pci_scan_bus_parented(NULL, busnum, &pci_root_ops, sd); + } else { + bus = pci_create_bus(NULL, busnum, &pci_root_ops, sd); + if (bus) { + if (pci_probe & PCI_USE__CRS) + get_current_resources(device, busnum, domain, + bus); + bus->subordinate = pci_scan_child_bus(bus); + } + } if (!bus) kfree(sd); @@ -238,8 +229,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do #endif } - if (bus && (pci_probe & PCI_USE__CRS)) - get_current_resources(device, busnum, domain, bus); return bus; } diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index f893d6a6e803..3ffa10df20b9 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -100,8 +100,9 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b) int j; struct pci_root_info *info; - /* don't go for it if _CRS is used */ - if (pci_probe & PCI_USE__CRS) + /* don't go for it if _CRS is used already */ + if (b->resource[0] != &ioport_resource || + b->resource[1] != &iomem_resource) return; /* if only one root bus, don't need to anything */ @@ -116,6 +117,9 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b) if (i == pci_root_num) return; + printk(KERN_DEBUG "PCI: peer root bus %02x res updated from pci conf\n", + b->number); + info = &pci_root_info[i]; for (j = 0; j < info->res_num; j++) { struct resource *res; diff --git a/arch/x86/power/Makefile b/arch/x86/power/Makefile index de2abbd07544..a6a198c33623 100644 --- a/arch/x86/power/Makefile +++ b/arch/x86/power/Makefile @@ -1,7 +1,7 @@ # __restore_processor_state() restores %gs after S3 resume and so should not # itself be stack-protected nostackp := $(call cc-option, -fno-stack-protector) -CFLAGS_cpu_$(BITS).o := $(nostackp) +CFLAGS_cpu.o := $(nostackp) obj-$(CONFIG_PM_SLEEP) += cpu.o obj-$(CONFIG_HIBERNATION) += hibernate_$(BITS).o hibernate_asm_$(BITS).o |