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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-03 02:56:17 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-03 02:56:17 +0300
commitb7d626606201c397319b40721ca558b7e54040d5 (patch)
tree465c4004c514c3d47f4f7f60bed99cb19b8e5ec8
parente6d9f0fb5f9ceca5f4945f12cd3e71efd3382c13 (diff)
parent6c475352e87224a8f0b8cc6f6cc96b30563dc5b4 (diff)
downloadlinux-b7d626606201c397319b40721ca558b7e54040d5.tar.xz
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: MMU: avoid creation of unreachable pages in the shadow KVM: ppc: stop leaking host memory on VM exit KVM: MMU: fix sync of ptes addressed at owner pagetable KVM: ia64: Fix: Use correct calling convention for PAL_VPS_RESUME_HANDLER KVM: ia64: Fix incorrect kbuild CFLAGS override KVM: VMX: Fix interrupt loss during race with NMI KVM: s390: Fix problem state handling in guest sigp handler
-rw-r--r--arch/ia64/kvm/Makefile2
-rw-r--r--arch/ia64/kvm/optvfault.S11
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h2
-rw-r--r--arch/powerpc/kvm/44x_tlb.c8
-rw-r--r--arch/powerpc/kvm/powerpc.c1
-rw-r--r--arch/s390/kvm/sigp.c5
-rw-r--r--arch/x86/kvm/mmu.c2
-rw-r--r--arch/x86/kvm/paging_tmpl.h1
-rw-r--r--arch/x86/kvm/vmx.c4
9 files changed, 29 insertions, 7 deletions
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
index 3ab4d6d50704..92cef66ca268 100644
--- a/arch/ia64/kvm/Makefile
+++ b/arch/ia64/kvm/Makefile
@@ -58,7 +58,7 @@ endif
kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o
obj-$(CONFIG_KVM) += kvm.o
-EXTRA_CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
+CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
kvm-intel-objs = vmm.o vmm_ivt.o trampoline.o vcpu.o optvfault.o mmio.o \
vtlb.o process.o
#Add link memcpy and memset to avoid possible structure assignment error
diff --git a/arch/ia64/kvm/optvfault.S b/arch/ia64/kvm/optvfault.S
index 634abad979b5..32254ce9a1bd 100644
--- a/arch/ia64/kvm/optvfault.S
+++ b/arch/ia64/kvm/optvfault.S
@@ -107,10 +107,10 @@ END(kvm_vps_resume_normal)
GLOBAL_ENTRY(kvm_vps_resume_handler)
movl r30 = PAL_VPS_RESUME_HANDLER
;;
- ld8 r27=[r25]
+ ld8 r26=[r25]
shr r17=r17,IA64_ISR_IR_BIT
;;
- dep r27=r17,r27,63,1 // bit 63 of r27 indicate whether enable CFLE
+ dep r26=r17,r26,63,1 // bit 63 of r26 indicate whether enable CFLE
mov pr=r23,-2
br.sptk.many kvm_vps_entry
END(kvm_vps_resume_handler)
@@ -894,12 +894,15 @@ ENTRY(kvm_resume_to_guest)
;;
ld8 r19=[r19]
mov b0=r29
- cmp.ne p6,p7 = r0,r0
+ mov r27=cr.isr
;;
- tbit.z p6,p7 = r19,IA64_PSR_IC_BIT // p1=vpsr.ic
+ tbit.z p6,p7 = r19,IA64_PSR_IC_BIT // p7=vpsr.ic
+ shr r27=r27,IA64_ISR_IR_BIT
;;
(p6) ld8 r26=[r25]
(p7) mov b0=r28
+ ;;
+ (p6) dep r26=r27,r26,63,1
mov pr=r31,-2
br.sptk.many b0 // call pal service
;;
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 8931ba729d2b..bb62ad876de3 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -104,4 +104,6 @@ static inline void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid)
}
}
+extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
+
#endif /* __POWERPC_KVM_PPC_H__ */
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index 2e227a412bc2..ad72c6f9811f 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -124,6 +124,14 @@ static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu,
}
}
+void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu)
+{
+ int i;
+
+ for (i = 0; i <= tlb_44x_hwater; i++)
+ kvmppc_44x_shadow_release(vcpu, i);
+}
+
void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i)
{
vcpu->arch.shadow_tlb_mod[i] = 1;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 90a6fc422b23..fda9baada132 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -238,6 +238,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
{
+ kvmppc_core_destroy_mmu(vcpu);
}
/* Note: clearing MSR[DE] just means that the debug interrupt will not be
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 170392687ce0..2a01b9e02801 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -237,6 +237,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
u8 order_code;
int rc;
+ /* sigp in userspace can exit */
+ if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
+ return kvm_s390_inject_program_int(vcpu,
+ PGM_PRIVILEGED_OPERATION);
+
order_code = disp2;
if (base2)
order_code += vcpu->arch.guest_gprs[base2];
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f1983d9477cd..410ddbc1aa2e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1038,13 +1038,13 @@ static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
}
rmap_write_protect(vcpu->kvm, sp->gfn);
+ kvm_unlink_unsync_page(vcpu->kvm, sp);
if (vcpu->arch.mmu.sync_page(vcpu, sp)) {
kvm_mmu_zap_page(vcpu->kvm, sp);
return 1;
}
kvm_mmu_flush_tlb(vcpu);
- kvm_unlink_unsync_page(vcpu->kvm, sp);
return 0;
}
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 613ec9aa674a..84eee43bbe74 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -331,6 +331,7 @@ static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw,
r = kvm_read_guest_atomic(vcpu->kvm, gw->pte_gpa[level - 2],
&curr_pte, sizeof(curr_pte));
if (r || curr_pte != gw->ptes[level - 2]) {
+ kvm_mmu_put_page(shadow_page, sptep);
kvm_release_pfn_clean(sw->pfn);
sw->sptep = NULL;
return 1;
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d06b4dc0e2ea..a4018b01e1f9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3149,7 +3149,9 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu)
if (cpu_has_virtual_nmis()) {
if (vcpu->arch.nmi_pending && !vcpu->arch.nmi_injected) {
- if (vmx_nmi_enabled(vcpu)) {
+ if (vcpu->arch.interrupt.pending) {
+ enable_nmi_window(vcpu);
+ } else if (vmx_nmi_enabled(vcpu)) {
vcpu->arch.nmi_pending = false;
vcpu->arch.nmi_injected = true;
} else {