diff options
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/i8254.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.h | 1 |
5 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index ce3251ce5504..b81125f0bdee 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -20,6 +20,8 @@ if VIRTUALIZATION config KVM tristate "Kernel-based Virtual Machine (KVM) support" depends on HAVE_KVM + # for device assignment: + depends on PCI select PREEMPT_NOTIFIERS select MMU_NOTIFIER select ANON_INODES diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 8772dc946823..59ebd37ad79e 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -548,8 +548,10 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm) mutex_lock(&kvm->lock); pit->irq_source_id = kvm_request_irq_source_id(kvm); mutex_unlock(&kvm->lock); - if (pit->irq_source_id < 0) + if (pit->irq_source_id < 0) { + kfree(pit); return NULL; + } mutex_init(&pit->pit_state.lock); mutex_lock(&pit->pit_state.lock); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2a5e64881d9b..f1983d9477cd 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -314,7 +314,7 @@ static int mmu_topup_memory_caches(struct kvm_vcpu *vcpu) if (r) goto out; r = mmu_topup_memory_cache(&vcpu->arch.mmu_rmap_desc_cache, - rmap_desc_cache, 1); + rmap_desc_cache, 4); if (r) goto out; r = mmu_topup_memory_cache_page(&vcpu->arch.mmu_page_cache, 8); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 2643b430d83a..d06b4dc0e2ea 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3564,7 +3564,8 @@ static int __init vmx_init(void) bypass_guest_pf = 0; kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK | VMX_EPT_WRITABLE_MASK | - VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT); + VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT | + VMX_EPT_IGMT_BIT); kvm_mmu_set_mask_ptes(0ull, 0ull, 0ull, 0ull, VMX_EPT_EXECUTABLE_MASK); kvm_enable_tdp(); diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h index 3e010d21fdd7..ec5edc339da6 100644 --- a/arch/x86/kvm/vmx.h +++ b/arch/x86/kvm/vmx.h @@ -352,6 +352,7 @@ enum vmcs_field { #define VMX_EPT_READABLE_MASK 0x1ull #define VMX_EPT_WRITABLE_MASK 0x2ull #define VMX_EPT_EXECUTABLE_MASK 0x4ull +#define VMX_EPT_IGMT_BIT (1ull << 6) #define VMX_EPT_IDENTITY_PAGETABLE_ADDR 0xfffbc000ul |