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authorLinus Torvalds <torvalds@linux-foundation.org>2008-11-12 10:38:42 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-12 10:38:42 -0800
commit5d2007ebc278525cbe8d2e3ef559a4b191ee4ded (patch)
tree04287151da2ecbd8055703d34b0b572709651137
parent1c1271850494f06b63ae6b485e2e1b9c27ffb2d1 (diff)
parente17d1dc0863767bab8fde4ba9be92c7f79e7fe50 (diff)
Merge branch 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: Fix pit memory leak if unable to allocate irq source id KVM: ia64: fix vmm_spin_{un}lock for !CONFIG_SMP KVM: VMX: Set IGMT bit in EPT entry KVM: Require the PCI subsystem x86: KVM guest: fix section mismatch warning in kvmclock.c KVM: ia64: Use guest signal mask when blocking KVM: MMU: increase per-vcpu rmap cache alloc size
-rw-r--r--arch/ia64/kvm/Kconfig2
-rw-r--r--arch/ia64/kvm/kvm-ia64.c12
-rw-r--r--arch/ia64/kvm/vcpu.h5
-rw-r--r--arch/x86/kernel/kvmclock.c2
-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
9 files changed, 23 insertions, 10 deletions
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index 8e99fed6b3f..f833a0b4188 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -20,6 +20,8 @@ if VIRTUALIZATION
config KVM
tristate "Kernel-based Virtual Machine (KVM) support"
depends on HAVE_KVM && EXPERIMENTAL
+ # for device assignment:
+ depends on PCI
select PREEMPT_NOTIFIERS
select ANON_INODES
---help---
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 3caac477de9..af1464f7a6a 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -673,16 +673,16 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
vcpu_load(vcpu);
+ if (vcpu->sigset_active)
+ sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
+
if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) {
kvm_vcpu_block(vcpu);
clear_bit(KVM_REQ_UNHALT, &vcpu->requests);
- vcpu_put(vcpu);
- return -EAGAIN;
+ r = -EAGAIN;
+ goto out;
}
- if (vcpu->sigset_active)
- sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
-
if (vcpu->mmio_needed) {
memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8);
kvm_set_mmio_data(vcpu);
@@ -690,7 +690,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
vcpu->mmio_needed = 0;
}
r = __vcpu_run(vcpu, kvm_run);
-
+out:
if (vcpu->sigset_active)
sigprocmask(SIG_SETMASK, &sigsaved, NULL);
diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h
index 341e3fee280..e9b2a4e121c 100644
--- a/arch/ia64/kvm/vcpu.h
+++ b/arch/ia64/kvm/vcpu.h
@@ -384,6 +384,10 @@ static inline u64 __gpfn_is_io(u64 gpfn)
#define MODE_IND(psr) \
(((psr).it << 2) + ((psr).dt << 1) + (psr).rt)
+#ifndef CONFIG_SMP
+#define _vmm_raw_spin_lock(x) do {}while(0)
+#define _vmm_raw_spin_unlock(x) do {}while(0)
+#else
#define _vmm_raw_spin_lock(x) \
do { \
__u32 *ia64_spinlock_ptr = (__u32 *) (x); \
@@ -403,6 +407,7 @@ static inline u64 __gpfn_is_io(u64 gpfn)
do { barrier(); \
((spinlock_t *)x)->raw_lock.lock = 0; } \
while (0)
+#endif
void vmm_spin_lock(spinlock_t *lock);
void vmm_spin_unlock(spinlock_t *lock);
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 774ac499156..1c9cc431ea4 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -128,7 +128,7 @@ static int kvm_register_clock(char *txt)
}
#ifdef CONFIG_X86_LOCAL_APIC
-static void kvm_setup_secondary_clock(void)
+static void __devinit kvm_setup_secondary_clock(void)
{
/*
* Now that the first cpu already had this clocksource initialized,
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