diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/sysfb_simplefb.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 4 | ||||
| -rw-r--r-- | arch/x86/pci/mmconfig-shared.c | 7 |
3 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c index 22513e96b012..86179d409893 100644 --- a/arch/x86/kernel/sysfb_simplefb.c +++ b/arch/x86/kernel/sysfb_simplefb.c @@ -72,14 +72,14 @@ __init int create_simplefb(const struct screen_info *si, * the part that is occupied by the framebuffer */ len = mode->height * mode->stride; len = PAGE_ALIGN(len); - if (len > si->lfb_size << 16) { + if (len > (u64)si->lfb_size << 16) { printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n"); return -EINVAL; } /* setup IORESOURCE_MEM as framebuffer memory */ memset(&res, 0, sizeof(res)); - res.flags = IORESOURCE_MEM; + res.flags = IORESOURCE_MEM | IORESOURCE_BUSY; res.name = simplefb_resname; res.start = si->lfb_base; res.end = si->lfb_base + len - 1; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a1216de9ffda..3b8e7459dd4d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -5345,7 +5345,9 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) * There are errata that may cause this bit to not be set: * AAK134, BY25. */ - if (exit_qualification & INTR_INFO_UNBLOCK_NMI) + if (!(to_vmx(vcpu)->idt_vectoring_info & VECTORING_INFO_VALID_MASK) && + cpu_has_virtual_nmis() && + (exit_qualification & INTR_INFO_UNBLOCK_NMI)) vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS); diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 5596c7bdd327..082e88129712 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -700,7 +700,7 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, if (!(pci_probe & PCI_PROBE_MMCONF) || pci_mmcfg_arch_init_failed) return -ENODEV; - if (start > end || !addr) + if (start > end) return -EINVAL; mutex_lock(&pci_mmcfg_lock); @@ -716,6 +716,11 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, return -EEXIST; } + if (!addr) { + mutex_unlock(&pci_mmcfg_lock); + return -EINVAL; + } + rc = -EBUSY; cfg = pci_mmconfig_alloc(seg, start, end, addr); if (cfg == NULL) { |