Messages in this thread Patch in this message | | | Date | Mon, 5 Oct 2009 10:25:48 -0700 | From | Greg KH <> | Subject | Re: Linux 2.6.30.9 |
| |
diff --git a/Makefile b/Makefile index 43f5f42..2f0ce00 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 30 -EXTRAVERSION = .8 +EXTRAVERSION = .9 NAME = Man-Eating Seals of Antiquity # *DOCUMENTATION* diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h index a7e210b..0cd2e34 100644 --- a/arch/powerpc/include/asm/pte-common.h +++ b/arch/powerpc/include/asm/pte-common.h @@ -176,7 +176,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); #define HAVE_PAGE_AGP /* Advertise support for _PAGE_SPECIAL */ -#ifdef _PAGE_SPECIAL +#if _PAGE_SPECIAL != 0 #define __HAVE_ARCH_PTE_SPECIAL #endif diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index ae1d67c..f1d5f0c 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -30,6 +30,8 @@ #include <asm/tlbflush.h> #include <asm/tlb.h> +#include "mmu_decl.h" + static DEFINE_PER_CPU(struct pte_freelist_batch *, pte_freelist_cur); static unsigned long pte_freelist_forced_free; @@ -119,7 +121,7 @@ void pte_free_finish(void) /* * Handle i/d cache flushing, called from set_pte_at() or ptep_set_access_flags() */ -static pte_t do_dcache_icache_coherency(pte_t pte) +static pte_t do_dcache_icache_coherency(pte_t pte, unsigned long addr) { unsigned long pfn = pte_pfn(pte); struct page *page; @@ -128,6 +130,17 @@ static pte_t do_dcache_icache_coherency(pte_t pte) return pte; page = pfn_to_page(pfn); +#ifdef CONFIG_8xx + /* On 8xx, cache control instructions (particularly + * "dcbst" from flush_dcache_icache) fault as write + * operation if there is an unpopulated TLB entry + * for the address in question. To workaround that, + * we invalidate the TLB here, thus avoiding dcbst + * misbehaviour. + */ + _tlbil_va(addr, 0 /* 8xx doesn't care about PID */); +#endif + if (!PageReserved(page) && !test_bit(PG_arch_1, &page->flags)) { pr_debug("do_dcache_icache_coherency... flushing\n"); flush_dcache_icache_page(page); @@ -198,7 +211,7 @@ void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte */ pte = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS); if (pte_need_exec_flush(pte, 1)) - pte = do_dcache_icache_coherency(pte); + pte = do_dcache_icache_coherency(pte, addr); /* Perform the setting of the PTE */ __set_pte_at(mm, addr, ptep, pte, 0); @@ -216,7 +229,7 @@ int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address, { int changed; if (!dirty && pte_need_exec_flush(entry, 0)) - entry = do_dcache_icache_coherency(entry); + entry = do_dcache_icache_coherency(entry, address); changed = !pte_same(*(ptep), entry); if (changed) { if (!(vma->vm_flags & VM_HUGETLB)) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 9a9efb0..e8b9c8c 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -620,6 +620,7 @@ void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr); void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); void kvm_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long cr2, u32 error_code); +bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl); int kvm_pic_set_irq(void *opaque, int irq, int level); diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index cf52215..66a37cf 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -618,9 +618,10 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, return 0; } -static void invalidate_entry(struct powernow_k8_data *data, unsigned int entry) +static void invalidate_entry(struct cpufreq_frequency_table *powernow_table, + unsigned int entry) { - data->powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID; + powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID; } static void print_basics(struct powernow_k8_data *data) @@ -926,13 +927,13 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data, "bad value %d.\n", i, index); printk(KERN_ERR PFX "Please report to BIOS " "manufacturer\n"); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } rdmsr(MSR_PSTATE_DEF_BASE + index, lo, hi); if (!(hi & HW_PSTATE_VALID_MASK)) { dprintk("invalid pstate %d, ignoring\n", index); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } @@ -982,7 +983,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, /* verify frequency is OK */ if ((freq > (MAX_FREQ * 1000)) || (freq < (MIN_FREQ * 1000))) { dprintk("invalid freq %u kHz, ignoring\n", freq); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } @@ -990,7 +991,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, * BIOSs are using "off" to indicate invalid */ if (vid == VID_OFF) { dprintk("invalid vid %u, ignoring\n", vid); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } @@ -1021,7 +1022,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, (unsigned int) (data->acpi_data.states[i].core_frequency * 1000)); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } } diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 223af43..e5efcdc 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -50,8 +50,8 @@ static unsigned long kvm_get_wallclock(void) struct timespec ts; int low, high; - low = (int)__pa(&wall_clock); - high = ((u64)__pa(&wall_clock) >> 32); + low = (int)__pa_symbol(&wall_clock); + high = ((u64)__pa_symbol(&wall_clock) >> 32); native_write_msr(MSR_KVM_WALL_CLOCK, low, high); vcpu_time = &get_cpu_var(hv_clock); diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index f0b67f2..dba1f4d 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -635,6 +635,15 @@ static void start_apic_timer(struct kvm_lapic *apic) if (!apic->timer.period) return; + /* + * Do not allow the guest to program periodic timers with small + * interval, since the hrtimers are not throttled by the host + * scheduler. + */ + if (apic_lvtt_period(apic)) { + if (apic->timer.period < NSEC_PER_MSEC/2) + apic->timer.period = NSEC_PER_MSEC/2; + } hrtimer_start(&apic->timer.dev, ktime_add_ns(now, apic->timer.period), diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index d7ce26b..0c43e13 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2612,7 +2612,8 @@ EXPORT_SYMBOL_GPL(kvm_mmu_unprotect_page_virt); void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) { - while (vcpu->kvm->arch.n_free_mmu_pages < KVM_REFILL_PAGES) { + while (vcpu->kvm->arch.n_free_mmu_pages < KVM_REFILL_PAGES && + !list_empty(&vcpu->kvm->arch.active_mmu_pages)) { struct kvm_mmu_page *sp; sp = container_of(vcpu->kvm->arch.active_mmu_pages.prev, @@ -2691,12 +2692,6 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu) ASSERT(vcpu); - if (vcpu->kvm->arch.n_requested_mmu_pages) - vcpu->kvm->arch.n_free_mmu_pages = - vcpu->kvm->arch.n_requested_mmu_pages; - else - vcpu->kvm->arch.n_free_mmu_pages = - vcpu->kvm->arch.n_alloc_mmu_pages; /* * When emulating 32-bit mode, cr3 is only 32 bits even on x86_64. * Therefore we need to allocate shadow page tables in the first diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 1a0d5cd..691f8e0 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1206,12 +1206,9 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) if (_cpu_based_2nd_exec_control & SECONDARY_EXEC_ENABLE_EPT) { /* CR3 accesses and invlpg don't need to cause VM Exits when EPT enabled */ - min &= ~(CPU_BASED_CR3_LOAD_EXITING | - CPU_BASED_CR3_STORE_EXITING | - CPU_BASED_INVLPG_EXITING); - if (adjust_vmx_controls(min, opt, MSR_IA32_VMX_PROCBASED_CTLS, - &_cpu_based_exec_control) < 0) - return -EIO; + _cpu_based_exec_control &= ~(CPU_BASED_CR3_LOAD_EXITING | + CPU_BASED_CR3_STORE_EXITING | + CPU_BASED_INVLPG_EXITING); rdmsr(MSR_IA32_VMX_EPT_VPID_CAP, vmx_capability.ept, vmx_capability.vpid); } @@ -2865,6 +2862,8 @@ static int handle_dr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) unsigned long val; int dr, reg; + if (!kvm_require_cpl(vcpu, 0)) + return 1; dr = vmcs_readl(GUEST_DR7); if (dr & DR7_GD) { /* diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0b1bfc6..ec56c78 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -217,6 +217,19 @@ static void __queue_exception(struct kvm_vcpu *vcpu) } /* + * Checks if cpl <= required_cpl; if true, return true. Otherwise queue + * a #GP and return false. + */ +bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl) +{ + if (kvm_x86_ops->get_cpl(vcpu) <= required_cpl) + return true; + kvm_queue_exception_e(vcpu, GP_VECTOR, 0); + return false; +} +EXPORT_SYMBOL_GPL(kvm_require_cpl); + +/* * Load the pae pdptrs. Return true is they are all valid. */ int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3) @@ -1425,6 +1438,10 @@ static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, for (func = 0x80000001; func <= limit && nent < cpuid->nent; ++func) do_cpuid_ent(&cpuid_entries[nent], func, 0, &nent, cpuid->nent); + r = -E2BIG; + if (nent >= cpuid->nent) + goto out_free; + r = -EFAULT; if (copy_to_user(entries, cpuid_entries, nent * sizeof(struct kvm_cpuid_entry2))) @@ -2885,6 +2902,11 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) a3 &= 0xFFFFFFFF; } + if (kvm_x86_ops->get_cpl(vcpu) != 0) { + ret = -KVM_EPERM; + goto out; + } + switch (nr) { case KVM_HC_VAPIC_POLL_IRQ: ret = 0; @@ -2896,6 +2918,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) ret = -KVM_ENOSYS; break; } +out: kvm_register_write(vcpu, VCPU_REGS_RAX, ret); ++vcpu->stat.hypercalls; return r; @@ -3989,13 +4012,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, vcpu->arch.cr2 = sregs->cr2; mmu_reset_needed |= vcpu->arch.cr3 != sregs->cr3; - - down_read(&vcpu->kvm->slots_lock); - if (gfn_to_memslot(vcpu->kvm, sregs->cr3 >> PAGE_SHIFT)) - vcpu->arch.cr3 = sregs->cr3; - else - set_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests); - up_read(&vcpu->kvm->slots_lock); + vcpu->arch.cr3 = sregs->cr3; kvm_set_cr8(vcpu, sregs->cr8); diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c index 12158e0..da9d6d2 100644 --- a/drivers/acpi/pci_slot.c +++ b/drivers/acpi/pci_slot.c @@ -57,7 +57,7 @@ ACPI_MODULE_NAME("pci_slot"); MY_NAME , ## arg); \ } while (0) -#define SLOT_NAME_SIZE 20 /* Inspired by #define in acpiphp.h */ +#define SLOT_NAME_SIZE 21 /* Inspired by #define in acpiphp.h */ struct acpi_pci_slot { acpi_handle root_handle; /* handle of the root bridge */ @@ -149,7 +149,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; } - snprintf(name, sizeof(name), "%u", (u32)sun); + snprintf(name, sizeof(name), "%llu", sun); pci_slot = pci_create_slot(pci_bus, device, name, NULL); if (IS_ERR(pci_slot)) { err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot)); diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 6b91c26..bc06245 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -2744,8 +2744,8 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (board_id == board_ahci_sb700 && pdev->revision >= 0x40) hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL; - if (!(hpriv->flags & AHCI_HFLAG_NO_MSI)) - pci_enable_msi(pdev); + if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev)) + pci_intx(pdev, 1); /* save initial config */ ahci_save_initial_config(pdev, hpriv); diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 6cc6cbc..0d72890 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -66,6 +66,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x0bf8, 0x1009)}, /* FUJITSU E-5400 USB D1700*/ {USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */ {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ + {USB_DEVICE(0x0cde, 0x0015)}, /* Zcomax XG-705A */ {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ {USB_DEVICE(0x124a, 0x4025)}, /* IOGear GWU513 (GW3887IK chip) */ {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */ diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index 9e1140f..e1dcced 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -363,7 +363,7 @@ static int at91_cf_suspend(struct platform_device *pdev, pm_message_t mesg) struct at91_cf_socket *cf = platform_get_drvdata(pdev); struct at91_cf_data *board = cf->board; - pcmcia_socket_dev_suspend(&pdev->dev, mesg); + pcmcia_socket_dev_suspend(&pdev->dev); if (device_may_wakeup(&pdev->dev)) { enable_irq_wake(board->det_pin); if (board->irq_pin) diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c index 9001334..0208870 100644 --- a/drivers/pcmcia/au1000_generic.c +++ b/drivers/pcmcia/au1000_generic.c @@ -515,7 +515,7 @@ static int au1x00_drv_pcmcia_probe(struct platform_device *dev) static int au1x00_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int au1x00_drv_pcmcia_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c index b59d411..300b368 100644 --- a/drivers/pcmcia/bfin_cf_pcmcia.c +++ b/drivers/pcmcia/bfin_cf_pcmcia.c @@ -302,7 +302,7 @@ static int __devexit bfin_cf_remove(struct platform_device *pdev) static int bfin_cf_suspend(struct platform_device *pdev, pm_message_t mesg) { - return pcmcia_socket_dev_suspend(&pdev->dev, mesg); + return pcmcia_socket_dev_suspend(&pdev->dev); } static int bfin_cf_resume(struct platform_device *pdev) diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 0660ad1..934d4be 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -101,7 +101,7 @@ EXPORT_SYMBOL(pcmcia_socket_list_rwsem); static int socket_resume(struct pcmcia_socket *skt); static int socket_suspend(struct pcmcia_socket *skt); -int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state) +int pcmcia_socket_dev_suspend(struct device *dev) { struct pcmcia_socket *socket; diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index 46561fa..a04f21c 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -42,7 +42,7 @@ MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids); #ifdef CONFIG_PM static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int i82092aa_socket_resume (struct pci_dev *dev) diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index 40d4953..b906abe 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -1241,7 +1241,7 @@ static int pcic_init(struct pcmcia_socket *s) static int i82365_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int i82365_drv_pcmcia_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c index 62b4ecc..d1d89c4 100644 --- a/drivers/pcmcia/m32r_cfc.c +++ b/drivers/pcmcia/m32r_cfc.c @@ -699,7 +699,7 @@ static struct pccard_operations pcc_operations = { static int cfc_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int cfc_drv_pcmcia_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c index 12034b4..a065583 100644 --- a/drivers/pcmcia/m32r_pcc.c +++ b/drivers/pcmcia/m32r_pcc.c @@ -675,7 +675,7 @@ static struct pccard_operations pcc_operations = { static int pcc_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int pcc_drv_pcmcia_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index d1ad096..c69f2c4 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -1296,7 +1296,7 @@ static int m8xx_remove(struct of_device *ofdev) #ifdef CONFIG_PM static int m8xx_suspend(struct platform_device *pdev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&pdev->dev, state); + return pcmcia_socket_dev_suspend(&pdev->dev); } static int m8xx_resume(struct platform_device *pdev) diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c index f373639..68570bc 100644 --- a/drivers/pcmcia/omap_cf.c +++ b/drivers/pcmcia/omap_cf.c @@ -334,7 +334,7 @@ static int __exit omap_cf_remove(struct platform_device *pdev) static int omap_cf_suspend(struct platform_device *pdev, pm_message_t mesg) { - return pcmcia_socket_dev_suspend(&pdev->dev, mesg); + return pcmcia_socket_dev_suspend(&pdev->dev); } static int omap_cf_resume(struct platform_device *pdev) diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index 8bed1da..1c39d34 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -758,7 +758,7 @@ static void __devexit pd6729_pci_remove(struct pci_dev *dev) #ifdef CONFIG_PM static int pd6729_socket_suspend(struct pci_dev *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int pd6729_socket_resume(struct pci_dev *dev) diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index c49a726..86ad876 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -302,7 +302,7 @@ static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev) static int pxa2xx_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int pxa2xx_drv_pcmcia_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c index d8da5ac..2d0e997 100644 --- a/drivers/pcmcia/sa1100_generic.c +++ b/drivers/pcmcia/sa1100_generic.c @@ -89,7 +89,7 @@ static int sa11x0_drv_pcmcia_remove(struct platform_device *dev) static int sa11x0_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int sa11x0_drv_pcmcia_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c index 401052a..4be4e17 100644 --- a/drivers/pcmcia/sa1111_generic.c +++ b/drivers/pcmcia/sa1111_generic.c @@ -159,7 +159,7 @@ static int __devexit pcmcia_remove(struct sa1111_dev *dev) static int pcmcia_suspend(struct sa1111_dev *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int pcmcia_resume(struct sa1111_dev *dev) diff --git a/drivers/pcmcia/tcic.c b/drivers/pcmcia/tcic.c index 9ad97ea..9974410 100644 --- a/drivers/pcmcia/tcic.c +++ b/drivers/pcmcia/tcic.c @@ -366,7 +366,7 @@ static int __init get_tcic_id(void) static int tcic_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int tcic_drv_pcmcia_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c index 659421d..05144e7 100644 --- a/drivers/pcmcia/vrc4171_card.c +++ b/drivers/pcmcia/vrc4171_card.c @@ -707,7 +707,7 @@ __setup("vrc4171_card=", vrc4171_card_setup); static int vrc4171_card_suspend(struct platform_device *dev, pm_message_t state) { - return pcmcia_socket_dev_suspend(&dev->dev, state); + return pcmcia_socket_dev_suspend(&dev->dev); } static int vrc4171_card_resume(struct platform_device *dev) diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 3ecd7c9..f728a45 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -1225,60 +1225,71 @@ static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_i } #ifdef CONFIG_PM -static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state) +static int yenta_dev_suspend_noirq(struct device *dev) { - struct yenta_socket *socket = pci_get_drvdata(dev); + struct pci_dev *pdev = to_pci_dev(dev); + struct yenta_socket *socket = pci_get_drvdata(pdev); int ret; - ret = pcmcia_socket_dev_suspend(&dev->dev, state); + ret = pcmcia_socket_dev_suspend(dev); - if (socket) { - if (socket->type && socket->type->save_state) - socket->type->save_state(socket); + if (!socket) + return ret; - /* FIXME: pci_save_state needs to have a better interface */ - pci_save_state(dev); - pci_read_config_dword(dev, 16*4, &socket->saved_state[0]); - pci_read_config_dword(dev, 17*4, &socket->saved_state[1]); - pci_disable_device(dev); + if (socket->type && socket->type->save_state) + socket->type->save_state(socket); - /* - * Some laptops (IBM T22) do not like us putting the Cardbus - * bridge into D3. At a guess, some other laptop will - * probably require this, so leave it commented out for now. - */ - /* pci_set_power_state(dev, 3); */ - } + pci_save_state(pdev); + pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]); + pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]); + pci_disable_device(pdev); + + /* + * Some laptops (IBM T22) do not like us putting the Cardbus + * bridge into D3. At a guess, some other laptop will + * probably require this, so leave it commented out for now. + */ + /* pci_set_power_state(dev, 3); */ return ret; } - -static int yenta_dev_resume (struct pci_dev *dev) +static int yenta_dev_resume_noirq(struct device *dev) { - struct yenta_socket *socket = pci_get_drvdata(dev); + struct pci_dev *pdev = to_pci_dev(dev); + struct yenta_socket *socket = pci_get_drvdata(pdev); + int ret; - if (socket) { - int rc; + if (!socket) + return 0; - pci_set_power_state(dev, 0); - /* FIXME: pci_restore_state needs to have a better interface */ - pci_restore_state(dev); - pci_write_config_dword(dev, 16*4, socket->saved_state[0]); - pci_write_config_dword(dev, 17*4, socket->saved_state[1]); + pci_write_config_dword(pdev, 16*4, socket->saved_state[0]); + pci_write_config_dword(pdev, 17*4, socket->saved_state[1]); - rc = pci_enable_device(dev); - if (rc) - return rc; + ret = pci_enable_device(pdev); + if (ret) + return ret; - pci_set_master(dev); + pci_set_master(pdev); - if (socket->type && socket->type->restore_state) - socket->type->restore_state(socket); - } + if (socket->type && socket->type->restore_state) + socket->type->restore_state(socket); - return pcmcia_socket_dev_resume(&dev->dev); + return pcmcia_socket_dev_resume(dev); } + +static struct dev_pm_ops yenta_pm_ops = { + .suspend_noirq = yenta_dev_suspend_noirq, + .resume_noirq = yenta_dev_resume_noirq, + .freeze_noirq = yenta_dev_suspend_noirq, + .thaw_noirq = yenta_dev_resume_noirq, + .poweroff_noirq = yenta_dev_suspend_noirq, + .restore_noirq = yenta_dev_resume_noirq, +}; + +#define YENTA_PM_OPS (¥ta_pm_ops) +#else +#define YENTA_PM_OPS NULL #endif #define CB_ID(vend,dev,type) \ @@ -1376,10 +1387,7 @@ static struct pci_driver yenta_cardbus_driver = { .id_table = yenta_table, .probe = yenta_probe, .remove = __devexit_p(yenta_close), -#ifdef CONFIG_PM - .suspend = yenta_dev_suspend, - .resume = yenta_dev_resume, -#endif + .driver.pm = YENTA_PM_OPS, }; diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 912be65..7cd6d11 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -286,6 +286,8 @@ struct thinkpad_id_data { u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */ u16 ec_model; + u16 bios_release; /* 1ZETK1WW = 0x314b, 0 = unknown */ + u16 ec_release; char *model_str; /* ThinkPad T43 */ char *nummodel_str; /* 9384A9C for a 9384-A9C model */ @@ -362,6 +364,45 @@ static void tpacpi_log_usertask(const char * const what) } \ } while (0) +#define TPACPI_MATCH_ANY 0xffffU +#define TPACPI_MATCH_UNKNOWN 0U + +/* TPID('1', 'Y') == 0x5931 */ +#define TPID(__c1, __c2) (((__c2) << 8) | (__c1)) + +#define TPACPI_Q_IBM(__id1, __id2, __quirk) \ + { .vendor = PCI_VENDOR_ID_IBM, \ + .bios = TPID(__id1, __id2), \ + .ec = TPACPI_MATCH_ANY, \ + .quirks = (__quirk) } + +struct tpacpi_quirk { + unsigned int vendor; + u16 bios; + u16 ec; + unsigned long quirks; +}; + +static unsigned long __init tpacpi_check_quirks( + const struct tpacpi_quirk *qlist, + unsigned int qlist_size) +{ + while (qlist_size) { + if ((qlist->vendor == thinkpad_id.vendor || + qlist->vendor == TPACPI_MATCH_ANY) && + (qlist->bios == thinkpad_id.bios_model || + qlist->bios == TPACPI_MATCH_ANY) && + (qlist->ec == thinkpad_id.ec_model || + qlist->ec == TPACPI_MATCH_ANY)) + return qlist->quirks; + + qlist_size--; + qlist++; + } + return 0; +} + + /**************************************************************************** **************************************************************************** * @@ -5757,14 +5798,27 @@ static struct backlight_ops ibm_backlight_data = { /* --------------------------------------------------------------------- */ +#define TPACPI_BRGHT_Q_EC 0x0002 /* Should or must use EC HBRV */ + +static const struct tpacpi_quirk brightness_quirk_table[] __initconst = { + TPACPI_Q_IBM('1', 'Y', TPACPI_BRGHT_Q_EC), + TPACPI_Q_IBM('1', 'Q', TPACPI_BRGHT_Q_EC), + TPACPI_Q_IBM('7', '6', TPACPI_BRGHT_Q_EC), + TPACPI_Q_IBM('7', '8', TPACPI_BRGHT_Q_EC), +}; + static int __init brightness_init(struct ibm_init_struct *iibm) { int b; + unsigned long quirks; vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n"); mutex_init(&brightness_mutex); + quirks = tpacpi_check_quirks(brightness_quirk_table, + ARRAY_SIZE(brightness_quirk_table)); + /* * We always attempt to detect acpi support, so as to switch * Lenovo Vista BIOS to ACPI brightness mode even if we are not @@ -5821,19 +5875,9 @@ static int __init brightness_init(struct ibm_init_struct *iibm) /* TPACPI_BRGHT_MODE_AUTO not implemented yet, just use default */ if (brightness_mode == TPACPI_BRGHT_MODE_AUTO || brightness_mode == TPACPI_BRGHT_MODE_MAX) { - if (thinkpad_id.vendor == PCI_VENDOR_ID_IBM) { - /* - * IBM models that define HBRV probably have - * EC-based backlight level control - */ - if (acpi_evalf(ec_handle, NULL, "HBRV", "qd")) - /* T40-T43, R50-R52, R50e, R51e, X31-X41 */ - brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM; - else - /* all other IBM ThinkPads */ - brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP; - } else - /* All Lenovo ThinkPads */ + if (quirks & TPACPI_BRGHT_Q_EC) + brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM; + else brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP; dbg_printk(TPACPI_DBG_BRGHT, @@ -7387,6 +7431,8 @@ static int __must_check __init get_thinkpad_model_data( return 0; tp->bios_model = tp->bios_version_str[0] | (tp->bios_version_str[1] << 8); + tp->bios_release = (tp->bios_version_str[4] << 8) + | tp->bios_version_str[5]; /* * ThinkPad T23 or newer, A31 or newer, R50e or newer, @@ -7407,6 +7453,8 @@ static int __must_check __init get_thinkpad_model_data( return -ENOMEM; tp->ec_model = ec_fw_string[0] | (ec_fw_string[1] << 8); + tp->ec_release = (ec_fw_string[4] << 8) + | ec_fw_string[5]; break; } } diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index a61ab77..115036f 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -544,9 +544,9 @@ require use of the stronger protocol */ #define CIFSSEC_MUST_LANMAN 0x10010 #define CIFSSEC_MUST_PLNTXT 0x20020 #ifdef CONFIG_CIFS_UPCALL -#define CIFSSEC_MASK 0xAF0AF /* allows weak security but also krb5 */ +#define CIFSSEC_MASK 0xBF0BF /* allows weak security but also krb5 */ #else -#define CIFSSEC_MASK 0xA70A7 /* current flags supported if weak */ +#define CIFSSEC_MASK 0xB70B7 /* current flags supported if weak */ #endif /* UPCALL */ #else /* do not allow weak pw hash */ #ifdef CONFIG_CIFS_UPCALL diff --git a/fs/inode.c b/fs/inode.c index a9e8ef0..d69a0eb 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -672,13 +672,15 @@ void unlock_new_inode(struct inode *inode) } #endif /* - * This is special! We do not need the spinlock - * when clearing I_LOCK, because we're guaranteed - * that nobody else tries to do anything about the - * state of the inode when it is locked, as we - * just created it (so there can be no old holders - * that haven't tested I_LOCK). + * This is special! We do not need the spinlock when clearing I_LOCK, + * because we're guaranteed that nobody else tries to do anything about + * the state of the inode when it is locked, as we just created it (so + * there can be no old holders that haven't tested I_LOCK). + * However we must emit the memory barrier so that other CPUs reliably + * see the clearing of I_LOCK after the other inode initialisation has + * completed. */ + smp_mb(); WARN_ON((inode->i_state & (I_LOCK|I_NEW)) != (I_LOCK|I_NEW)); inode->i_state &= ~(I_LOCK|I_NEW); wake_up_inode(inode); diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index b55f31c..8344005 100644 --- a/fs/nilfs2/btnode.c +++ b/fs/nilfs2/btnode.c @@ -36,6 +36,7 @@ void nilfs_btnode_cache_init_once(struct address_space *btnc) { + memset(btnc, 0, sizeof(*btnc)); INIT_RADIX_TREE(&btnc->page_tree, GFP_ATOMIC); spin_lock_init(&btnc->tree_lock); INIT_LIST_HEAD(&btnc->private_list); diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index 59b43a0..5fd7d2b 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -361,7 +361,13 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) /* don't dump ioremap'd stuff! (TA) */ if (m->flags & VM_IOREMAP) continue; - memcpy(elf_buf + (vmstart - start), + /* + * we may access memory holes, then use + * ex_table. checking return value just for + * avoid warnings. + */ + vmsize = __copy_from_user_inatomic( + elf_buf + (vmstart - start), (char *)vmstart, vmsize); } read_unlock(&vmlist_lock); diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c index 0c10a0b..766b1d4 100644 --- a/fs/proc/uptime.c +++ b/fs/proc/uptime.c @@ -4,13 +4,18 @@ #include <linux/sched.h> #include <linux/seq_file.h> #include <linux/time.h> +#include <linux/kernel_stat.h> #include <asm/cputime.h> static int uptime_proc_show(struct seq_file *m, void *v) { struct timespec uptime; struct timespec idle; - cputime_t idletime = cputime_add(init_task.utime, init_task.stime); + int i; + cputime_t idletime = cputime_zero; + + for_each_possible_cpu(i) + idletime = cputime64_add(idletime, kstat_cpu(i).cpustat.idle); do_posix_clock_monotonic_gettime(&uptime); monotonic_to_bootbased(&uptime); diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h index 3ddce03..d731092 100644 --- a/include/linux/kvm_para.h +++ b/include/linux/kvm_para.h @@ -13,6 +13,7 @@ #define KVM_ENOSYS 1000 #define KVM_EFAULT EFAULT #define KVM_E2BIG E2BIG +#define KVM_EPERM EPERM #define KVM_HC_VAPIC_POLL_IRQ 1 #define KVM_HC_MMU_OP 2 diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h index 9b4ac93..56677eb 100644 --- a/include/pcmcia/ss.h +++ b/include/pcmcia/ss.h @@ -279,7 +279,7 @@ extern struct pccard_resource_ops pccard_iodyn_ops; extern struct pccard_resource_ops pccard_nonstatic_ops; /* socket drivers are expected to use these callbacks in their .drv struct */ -extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state); +extern int pcmcia_socket_dev_suspend(struct device *dev); extern int pcmcia_socket_dev_resume(struct device *dev); /* socket drivers use this callback in their IRQ handler */ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 2403eb9..42f7e1a 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1017,6 +1017,7 @@ int __weak alloc_bootmem_huge_page(struct hstate *h) NODE_DATA(h->hugetlb_next_nid), huge_page_size(h), huge_page_size(h), 0); + hstate_next_node(h); if (addr) { /* * Use the beginning of the huge page to store the @@ -1026,7 +1027,6 @@ int __weak alloc_bootmem_huge_page(struct hstate *h) m = addr; goto found; } - hstate_next_node(h); nr_nodes--; } return 0; diff --git a/mm/memory.c b/mm/memory.c index 4126dd1..445ff30 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2586,7 +2586,8 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, goto oom_free_page; entry = mk_pte(page, vma->vm_page_prot); - entry = maybe_mkwrite(pte_mkdirty(entry), vma); + if (vma->vm_flags & VM_WRITE) + entry = pte_mkwrite(pte_mkdirty(entry)); page_table = pte_offset_map_lock(mm, pmd, address, &ptl); if (!pte_none(*page_table)) diff --git a/mm/mmap.c b/mm/mmap.c index 2b43fa1..2429a7b 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -572,9 +572,9 @@ again: remove_next = 1 + (end > next->vm_end); /* * When changing only vma->vm_end, we don't really need - * anon_vma lock: but is that case worth optimizing out? + * anon_vma lock. */ - if (vma->anon_vma) + if (vma->anon_vma && (insert || importer || start != vma->vm_start)) anon_vma = vma->anon_vma; if (anon_vma) { spin_lock(&anon_vma->lock); diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index fd9d06f..e7af49d 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -539,7 +539,7 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname, if (level != SOL_AX25) return -ENOPROTOOPT; - if (optlen < sizeof(int)) + if (optlen < (int)sizeof(int)) return -EINVAL; if (get_user(opt, (int __user *)optval)) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index e4a418f..9de46b4 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -357,7 +357,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb) }, .proto = 0, }; - struct in_device *in_dev = in_dev_get(dev); + struct in_device *in_dev = __in_dev_get_rcu(dev); /* If err equals -EHOSTUNREACH the error is due to a * martian destination or due to the fact that diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c index 133eeae..ce50688 100644 --- a/net/bridge/netfilter/ebt_ulog.c +++ b/net/bridge/netfilter/ebt_ulog.c @@ -266,7 +266,7 @@ static bool ebt_ulog_tg_check(const struct xt_tgchk_param *par) if (uloginfo->qthreshold > EBT_ULOG_MAX_QLEN) uloginfo->qthreshold = EBT_ULOG_MAX_QLEN; - return 0; + return true; } static struct xt_target ebt_ulog_tg_reg __read_mostly = { diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c index 3229e0a..b6ddd56 100644 --- a/net/ipv4/netfilter/nf_nat_core.c +++ b/net/ipv4/netfilter/nf_nat_core.c @@ -212,7 +212,7 @@ find_best_ips_proto(struct nf_conntrack_tuple *tuple, maxip = ntohl(range->max_ip); j = jhash_2words((__force u32)tuple->src.u3.ip, range->flags & IP_NAT_RANGE_PERSISTENT ? - (__force u32)tuple->dst.u3.ip : 0, 0); + 0 : (__force u32)tuple->dst.u3.ip, 0); j = ((u64)j * (maxip - minip + 1)) >> 32; *var_ipp = htonl(minip + j); } diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index f546e81..854d14b 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1501,7 +1501,7 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv static int packet_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) { - int len; + unsigned int len; int val; struct sock *sk = sock->sk; struct packet_sock *po = pkt_sk(sk); @@ -1514,7 +1514,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, if (get_user(len, optlen)) return -EFAULT; - if (len < 0) + if ((int)len < 0) return -EINVAL; switch(optname) { diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 6654cbe..b187edc 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -539,7 +539,7 @@ static int prefix_underscores_count(const char *str) { const char *tail = str; - while (*tail != '_') + while (*tail == '_') tail++; return tail - str;
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