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authorIngo Molnar <mingo@elte.hu>2008-11-18 16:48:49 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-18 16:48:49 +0100
commit73f56c0d35e6427081a4eabd620d8b8d8a35bd09 (patch)
tree9fe1a2577baea03f3a6ec4a5e79f3ff26c4ee0ae /arch/x86/kvm
parent0af40a4b1050c050e62eb1dc30b82d5ab22bf221 (diff)
parent8501c45cc32c311ae755a2d5ac8c4a5f04908d42 (diff)
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/Kconfig2
-rw-r--r--arch/x86/kvm/i8254.c4
-rw-r--r--arch/x86/kvm/mmu.c2
-rw-r--r--arch/x86/kvm/vmx.c3
-rw-r--r--arch/x86/kvm/vmx.h1
5 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index ce3251ce550..b81125f0bde 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 8772dc94682..59ebd37ad79 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 2a5e64881d9..f1983d9477c 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 2643b430d83..d06b4dc0e2e 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 3e010d21fdd..ec5edc339da 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