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Merge branch 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm

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* 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (202 commits)
  MAINTAINERS: update KVM entry
  KVM: correct error-handling code
  KVM: fix compile warnings on s390
  KVM: VMX: Check cpl before emulating debug register access
  KVM: fix misreporting of coalesced interrupts by kvm tracer
  KVM: x86: drop duplicate kvm_flush_remote_tlb calls
  KVM: VMX: call vmx_load_host_state() only if msr is cached
  KVM: VMX: Conditionally reload debug register 6
  KVM: Use thread debug register storage instead of kvm specific data
  KVM guest: do not batch pte updates from interrupt context
  KVM: Fix coalesced interrupt reporting in IOAPIC
  KVM guest: fix bogus wallclock physical address calculation
  KVM: VMX: Fix cr8 exiting control clobbering by EPT
  KVM: Optimize kvm_mmu_unprotect_page_virt() for tdp
  KVM: Document KVM_CAP_IRQCHIP
  KVM: Protect update_cr8_intercept() when running without an apic
  KVM: VMX: Fix EPT with WP bit change during paging
  KVM: Use kvm_{read,write}_guest_virt() to read and write segment descriptors
  KVM: x86 emulator: Add adc and sbb missing decoder flags
  KVM: Add missing #include
  ...
This commit is contained in:
Linus Torvalds
2009-09-14 17:43:43 -07:00
parent 353f6dd2de 8e616fc8d3
commit 69def9f05d
80 changed files with 5714 additions and 2182 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/ioctl/ioctl-number.txt
+1 -1
View File
@@ -193,7 +193,7 @@ Code Seq# Include File Comments
0xAD 00 Netfilter device in development:
<mailto:rusty@rustcorp.com.au>
0xAE all linux/kvm.h Kernel-based Virtual Machine
<mailto:kvm-devel@lists.sourceforge.net>
<mailto:kvm@vger.kernel.org>
0xB0 all RATIO devices in development:
<mailto:vgo@ratio.de>
0xB1 00-1F PPPoX <mailto:mostrows@styx.uwaterloo.ca>
Documentation/kernel-parameters.txt
+39
View File
@@ -57,6 +57,7 @@ parameter is applicable:
ISAPNP ISA PnP code is enabled.
ISDN Appropriate ISDN support is enabled.
JOY Appropriate joystick support is enabled.
KVM Kernel Virtual Machine support is enabled.
LIBATA Libata driver is enabled
LP Printer support is enabled.
LOOP Loopback device support is enabled.
@@ -1098,6 +1099,44 @@ and is between 256 and 4096 characters. It is defined in the file
kstack=N [X86] Print N words from the kernel stack
in oops dumps.
kvm.ignore_msrs=[KVM] Ignore guest accesses to unhandled MSRs.
Default is 0 (don't ignore, but inject #GP)
kvm.oos_shadow= [KVM] Disable out-of-sync shadow paging.
Default is 1 (enabled)
kvm-amd.nested= [KVM,AMD] Allow nested virtualization in KVM/SVM.
Default is 0 (off)
kvm-amd.npt= [KVM,AMD] Disable nested paging (virtualized MMU)
for all guests.
Default is 1 (enabled) if in 64bit or 32bit-PAE mode
kvm-intel.bypass_guest_pf=
[KVM,Intel] Disables bypassing of guest page faults
on Intel chips. Default is 1 (enabled)
kvm-intel.ept= [KVM,Intel] Disable extended page tables
(virtualized MMU) support on capable Intel chips.
Default is 1 (enabled)
kvm-intel.emulate_invalid_guest_state=
[KVM,Intel] Enable emulation of invalid guest states
Default is 0 (disabled)
kvm-intel.flexpriority=
[KVM,Intel] Disable FlexPriority feature (TPR shadow).
Default is 1 (enabled)
kvm-intel.unrestricted_guest=
[KVM,Intel] Disable unrestricted guest feature
(virtualized real and unpaged mode) on capable
Intel chips. Default is 1 (enabled)
kvm-intel.vpid= [KVM,Intel] Disable Virtual Processor Identification
feature (tagged TLBs) on capable Intel chips.
Default is 1 (enabled)
l2cr= [PPC]
l3cr= [PPC]
Documentation/kvm/api.txt
+759
View File
File diff suppressed because it is too large Load Diff
MAINTAINERS
+1
View File
@@ -2926,6 +2926,7 @@ F: include/linux/sunrpc/
KERNEL VIRTUAL MACHINE (KVM)
M: Avi Kivity <avi@redhat.com>
M: Marcelo Tosatti <mtosatti@redhat.com>
L: kvm@vger.kernel.org
W: http://kvm.qumranet.com
S: Supported
arch/ia64/include/asm/kvm_host.h
+2 -2
View File
@@ -235,7 +235,8 @@ struct kvm_vm_data {
#define KVM_REQ_PTC_G 32
#define KVM_REQ_RESUME 33
#define KVM_PAGES_PER_HPAGE 1
#define KVM_NR_PAGE_SIZES 1
#define KVM_PAGES_PER_HPAGE(x) 1
struct kvm;
struct kvm_vcpu;
@@ -465,7 +466,6 @@ struct kvm_arch {
unsigned long metaphysical_rr4;
unsigned long vmm_init_rr;
int online_vcpus;
int is_sn2;
struct kvm_ioapic *vioapic;
arch/ia64/include/asm/kvm_para.h
+4
View File
@@ -19,9 +19,13 @@
*
*/
#ifdef __KERNEL__
static inline unsigned int kvm_arch_para_features(void)
{
return 0;
}
#endif
#endif
arch/ia64/kvm/Kconfig
+3 -8
View File
@@ -1,12 +1,8 @@
#
# KVM configuration
#
config HAVE_KVM
bool
config HAVE_KVM_IRQCHIP
bool
default y
source "virt/kvm/Kconfig"
menuconfig VIRTUALIZATION
bool "Virtualization"
@@ -28,6 +24,8 @@ config KVM
depends on PCI
select PREEMPT_NOTIFIERS
select ANON_INODES
select HAVE_KVM_IRQCHIP
select KVM_APIC_ARCHITECTURE
---help---
Support hosting fully virtualized guest machines using hardware
virtualization extensions. You will need a fairly recent
@@ -49,9 +47,6 @@ config KVM_INTEL
Provides support for KVM on Itanium 2 processors equipped with the VT
extensions.
config KVM_TRACE
bool
source drivers/virtio/Kconfig
endif # VIRTUALIZATION
arch/ia64/kvm/kvm-ia64.c
+28 -57
View File
@@ -210,16 +210,6 @@ int kvm_dev_ioctl_check_extension(long ext)
}
static struct kvm_io_device *vcpu_find_mmio_dev(struct kvm_vcpu *vcpu,
gpa_t addr, int len, int is_write)
{
struct kvm_io_device *dev;
dev = kvm_io_bus_find_dev(&vcpu->kvm->mmio_bus, addr, len, is_write);
return dev;
}
static int handle_vm_error(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
@@ -231,6 +221,7 @@ static int handle_mmio(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
struct kvm_mmio_req *p;
struct kvm_io_device *mmio_dev;
int r;
p = kvm_get_vcpu_ioreq(vcpu);
@@ -247,16 +238,13 @@ static int handle_mmio(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
kvm_run->exit_reason = KVM_EXIT_MMIO;
return 0;
mmio:
mmio_dev = vcpu_find_mmio_dev(vcpu, p->addr, p->size, !p->dir);
if (mmio_dev) {
if (!p->dir)
kvm_iodevice_write(mmio_dev, p->addr, p->size,
&p->data);
else
kvm_iodevice_read(mmio_dev, p->addr, p->size,
&p->data);
} else
if (p->dir)
r = kvm_io_bus_read(&vcpu->kvm->mmio_bus, p->addr,
p->size, &p->data);
else
r = kvm_io_bus_write(&vcpu->kvm->mmio_bus, p->addr,
p->size, &p->data);
if (r)
printk(KERN_ERR"kvm: No iodevice found! addr:%lx\n", p->addr);
p->state = STATE_IORESP_READY;
@@ -337,13 +325,12 @@ static struct kvm_vcpu *lid_to_vcpu(struct kvm *kvm, unsigned long id,
{
union ia64_lid lid;
int i;
struct kvm_vcpu *vcpu;
for (i = 0; i < kvm->arch.online_vcpus; i++) {
if (kvm->vcpus[i]) {
lid.val = VCPU_LID(kvm->vcpus[i]);
if (lid.id == id && lid.eid == eid)
return kvm->vcpus[i];
}
kvm_for_each_vcpu(i, vcpu, kvm) {
lid.val = VCPU_LID(vcpu);
if (lid.id == id && lid.eid == eid)
return vcpu;
}
return NULL;
@@ -409,21 +396,21 @@ static int handle_global_purge(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
struct kvm *kvm = vcpu->kvm;
struct call_data call_data;
int i;
struct kvm_vcpu *vcpui;
call_data.ptc_g_data = p->u.ptc_g_data;
for (i = 0; i < kvm->arch.online_vcpus; i++) {
if (!kvm->vcpus[i] || kvm->vcpus[i]->arch.mp_state ==
KVM_MP_STATE_UNINITIALIZED ||
vcpu == kvm->vcpus[i])
kvm_for_each_vcpu(i, vcpui, kvm) {
if (vcpui->arch.mp_state == KVM_MP_STATE_UNINITIALIZED ||
vcpu == vcpui)
continue;
if (waitqueue_active(&kvm->vcpus[i]->wq))
wake_up_interruptible(&kvm->vcpus[i]->wq);
if (waitqueue_active(&vcpui->wq))
wake_up_interruptible(&vcpui->wq);
if (kvm->vcpus[i]->cpu != -1) {
call_data.vcpu = kvm->vcpus[i];
smp_call_function_single(kvm->vcpus[i]->cpu,
if (vcpui->cpu != -1) {
call_data.vcpu = vcpui;
smp_call_function_single(vcpui->cpu,
vcpu_global_purge, &call_data, 1);
} else
printk(KERN_WARNING"kvm: Uninit vcpu received ipi!\n");
@@ -852,8 +839,6 @@ struct kvm *kvm_arch_create_vm(void)
kvm_init_vm(kvm);
kvm->arch.online_vcpus = 0;
return kvm;
}
@@ -1000,10 +985,10 @@ long kvm_arch_vm_ioctl(struct file *filp,
goto out;
if (irqchip_in_kernel(kvm)) {
__s32 status;
mutex_lock(&kvm->lock);
mutex_lock(&kvm->irq_lock);
status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
irq_event.irq, irq_event.level);
mutex_unlock(&kvm->lock);
mutex_unlock(&kvm->irq_lock);
if (ioctl == KVM_IRQ_LINE_STATUS) {
irq_event.status = status;
if (copy_to_user(argp, &irq_event,
@@ -1216,7 +1201,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
if (IS_ERR(vmm_vcpu))
return PTR_ERR(vmm_vcpu);
if (vcpu->vcpu_id == 0) {
if (kvm_vcpu_is_bsp(vcpu)) {
vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
/*Set entry address for first run.*/
@@ -1224,7 +1209,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
/*Initialize itc offset for vcpus*/
itc_offset = 0UL - kvm_get_itc(vcpu);
for (i = 0; i < kvm->arch.online_vcpus; i++) {
for (i = 0; i < KVM_MAX_VCPUS; i++) {
v = (struct kvm_vcpu *)((char *)vcpu +
sizeof(struct kvm_vcpu_data) * i);
v->arch.itc_offset = itc_offset;
@@ -1356,8 +1341,6 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
goto fail;
}
kvm->arch.online_vcpus++;
return vcpu;
fail:
return ERR_PTR(r);
@@ -1952,19 +1935,6 @@ int kvm_highest_pending_irq(struct kvm_vcpu *vcpu)
return find_highest_bits((int *)&vpd->irr[0]);
}
int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu)
{
if (kvm_highest_pending_irq(vcpu) != -1)
return 1;
return 0;
}
int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu)
{
/* do real check here */
return 1;
}
int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu)
{
return vcpu->arch.timer_fired;
@@ -1977,7 +1947,8 @@ gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
{
return vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE;
return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE) ||
(kvm_highest_pending_irq(vcpu) != -1);
}
int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
arch/ia64/kvm/vcpu.c
+2 -2
View File
@@ -830,8 +830,8 @@ static void vcpu_set_itc(struct kvm_vcpu *vcpu, u64 val)
kvm = (struct kvm *)KVM_VM_BASE;
if (vcpu->vcpu_id == 0) {
for (i = 0; i < kvm->arch.online_vcpus; i++) {
if (kvm_vcpu_is_bsp(vcpu)) {
for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) {
v = (struct kvm_vcpu *)((char *)vcpu +
sizeof(struct kvm_vcpu_data) * i);
VMX(v, itc_offset) = itc_offset;
arch/powerpc/include/asm/kvm_host.h
+2 -2
View File
@@ -34,7 +34,8 @@
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
/* We don't currently support large pages. */
#define KVM_PAGES_PER_HPAGE (1UL << 31)
#define KVM_NR_PAGE_SIZES 1
#define KVM_PAGES_PER_HPAGE(x) (1UL<<31)
struct kvm;
struct kvm_run;
@@ -153,7 +154,6 @@ struct kvm_vcpu_arch {
u32 pid;
u32 swap_pid;
u32 pvr;
u32 ccr0;
u32 ccr1;
u32 dbcr0;
arch/powerpc/kvm/44x.c
+2 -2
View File
@@ -138,7 +138,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
kmem_cache_free(kvm_vcpu_cache, vcpu_44x);
}
static int kvmppc_44x_init(void)
static int __init kvmppc_44x_init(void)
{
int r;
@@ -149,7 +149,7 @@ static int kvmppc_44x_init(void)
return kvm_init(NULL, sizeof(struct kvmppc_vcpu_44x), THIS_MODULE);
}
static void kvmppc_44x_exit(void)
static void __exit kvmppc_44x_exit(void)
{
kvmppc_booke_exit();
}
arch/powerpc/kvm/44x_tlb.c
+6 -5
View File
@@ -30,6 +30,7 @@
#include "timing.h"
#include "44x_tlb.h"
#include "trace.h"
#ifndef PPC44x_TLBE_SIZE
#define PPC44x_TLBE_SIZE PPC44x_TLB_4K
@@ -263,7 +264,7 @@ static void kvmppc_44x_shadow_release(struct kvmppc_vcpu_44x *vcpu_44x,
/* XXX set tlb_44x_index to stlb_index? */
KVMTRACE_1D(STLB_INVAL, &vcpu_44x->vcpu, stlb_index, handler);
trace_kvm_stlb_inval(stlb_index);
}
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
@@ -365,8 +366,8 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
/* Insert shadow mapping into hardware TLB. */
kvmppc_44x_tlbe_set_modified(vcpu_44x, victim);
kvmppc_44x_tlbwe(victim, &stlbe);
KVMTRACE_5D(STLB_WRITE, vcpu, victim, stlbe.tid, stlbe.word0, stlbe.word1,
stlbe.word2, handler);
trace_kvm_stlb_write(victim, stlbe.tid, stlbe.word0, stlbe.word1,
stlbe.word2);
}
/* For a particular guest TLB entry, invalidate the corresponding host TLB
@@ -485,8 +486,8 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index);
}
KVMTRACE_5D(GTLB_WRITE, vcpu, gtlb_index, tlbe->tid, tlbe->word0,
tlbe->word1, tlbe->word2, handler);
trace_kvm_gtlb_write(gtlb_index, tlbe->tid, tlbe->word0, tlbe->word1,
tlbe->word2);
kvmppc_set_exit_type(vcpu, EMULATED_TLBWE_EXITS);
return EMULATE_DONE;
arch/powerpc/kvm/Kconfig
+1 -13
View File
@@ -2,8 +2,7 @@
# KVM configuration
#
config HAVE_KVM_IRQCHIP
bool
source "virt/kvm/Kconfig"
menuconfig VIRTUALIZATION
bool "Virtualization"
@@ -59,17 +58,6 @@ config KVM_E500
If unsure, say N.
config KVM_TRACE
bool "KVM trace support"
depends on KVM && MARKERS && SYSFS
select RELAY
select DEBUG_FS
default n
---help---
This option allows reading a trace of kvm-related events through
relayfs. Note the ABI is not considered stable and will be
modified in future updates.
source drivers/virtio/Kconfig
endif # VIRTUALIZATION
arch/powerpc/kvm/Makefile
+3 -1
View File
@@ -8,7 +8,9 @@ EXTRA_CFLAGS += -Ivirt/kvm -Iarch/powerpc/kvm
common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o)
common-objs-$(CONFIG_KVM_TRACE) += $(addprefix ../../../virt/kvm/, kvm_trace.o)
CFLAGS_44x_tlb.o := -I.
CFLAGS_e500_tlb.o := -I.
CFLAGS_emulate.o := -I.
kvm-objs := $(common-objs-y) powerpc.o emulate.o
obj-$(CONFIG_KVM_EXIT_TIMING) += timing.o
arch/powerpc/kvm/booke.c
+1 -1
View File
@@ -520,7 +520,7 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
return kvmppc_core_vcpu_translate(vcpu, tr);
}
int kvmppc_booke_init(void)
int __init kvmppc_booke_init(void)
{
unsigned long ivor[16];
unsigned long max_ivor = 0;
arch/powerpc/kvm/e500.c
+2 -5
View File
@@ -60,9 +60,6 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
kvmppc_e500_tlb_setup(vcpu_e500);
/* Use the same core vertion as host's */
vcpu->arch.pvr = mfspr(SPRN_PVR);
return 0;
}
@@ -132,7 +129,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
kmem_cache_free(kvm_vcpu_cache, vcpu_e500);
}
static int kvmppc_e500_init(void)
static int __init kvmppc_e500_init(void)
{
int r, i;
unsigned long ivor[3];
@@ -160,7 +157,7 @@ static int kvmppc_e500_init(void)
return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), THIS_MODULE);
}
static void kvmppc_e500_exit(void)
static void __init kvmppc_e500_exit(void)
{
kvmppc_booke_exit();
}
arch/powerpc/kvm/e500_emulate.c
+3
View File
@@ -180,6 +180,9 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_MMUCSR0:
vcpu->arch.gpr[rt] = 0; break;
case SPRN_MMUCFG:
vcpu->arch.gpr[rt] = mfspr(SPRN_MMUCFG); break;
/* extra exceptions */
case SPRN_IVOR32:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
arch/powerpc/kvm/e500_tlb.c
+12 -14
View File
@@ -22,6 +22,7 @@
#include "../mm/mmu_decl.h"
#include "e500_tlb.h"
#include "trace.h"
#define to_htlb1_esel(esel) (tlb1_entry_num - (esel) - 1)
@@ -224,9 +225,8 @@ static void kvmppc_e500_stlbe_invalidate(struct kvmppc_vcpu_e500 *vcpu_e500,
kvmppc_e500_shadow_release(vcpu_e500, tlbsel, esel);
stlbe->mas1 = 0;
KVMTRACE_5D(STLB_INVAL, &vcpu_e500->vcpu, index_of(tlbsel, esel),
stlbe->mas1, stlbe->mas2, stlbe->mas3, stlbe->mas7,
handler);
trace_kvm_stlb_inval(index_of(tlbsel, esel), stlbe->mas1, stlbe->mas2,
stlbe->mas3, stlbe->mas7);
}
static void kvmppc_e500_tlb1_invalidate(struct kvmppc_vcpu_e500 *vcpu_e500,
@@ -269,7 +269,7 @@ static inline void kvmppc_e500_deliver_tlb_miss(struct kvm_vcpu *vcpu,
tlbsel = (vcpu_e500->mas4 >> 28) & 0x1;
victim = (tlbsel == 0) ? tlb0_get_next_victim(vcpu_e500) : 0;
pidsel = (vcpu_e500->mas4 >> 16) & 0xf;
tsized = (vcpu_e500->mas4 >> 8) & 0xf;
tsized = (vcpu_e500->mas4 >> 7) & 0x1f;
vcpu_e500->mas0 = MAS0_TLBSEL(tlbsel) | MAS0_ESEL(victim)
| MAS0_NV(vcpu_e500->guest_tlb_nv[tlbsel]);
@@ -309,7 +309,7 @@ static inline void kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
vcpu_e500->shadow_pages[tlbsel][esel] = new_page;
/* Force TS=1 IPROT=0 TSIZE=4KB for all guest mappings. */
stlbe->mas1 = MAS1_TSIZE(BOOKE_PAGESZ_4K)
stlbe->mas1 = MAS1_TSIZE(BOOK3E_PAGESZ_4K)
| MAS1_TID(get_tlb_tid(gtlbe)) | MAS1_TS | MAS1_VALID;
stlbe->mas2 = (gvaddr & MAS2_EPN)
| e500_shadow_mas2_attrib(gtlbe->mas2,
@@ -319,9 +319,8 @@ static inline void kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
vcpu_e500->vcpu.arch.msr & MSR_PR);
stlbe->mas7 = (hpaddr >> 32) & MAS7_RPN;
KVMTRACE_5D(STLB_WRITE, &vcpu_e500->vcpu, index_of(tlbsel, esel),
stlbe->mas1, stlbe->mas2, stlbe->mas3, stlbe->mas7,
handler);
trace_kvm_stlb_write(index_of(tlbsel, esel), stlbe->mas1, stlbe->mas2,
stlbe->mas3, stlbe->mas7);
}
/* XXX only map the one-one case, for now use TLB0 */
@@ -535,9 +534,8 @@ int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *vcpu)
gtlbe->mas3 = vcpu_e500->mas3;
gtlbe->mas7 = vcpu_e500->mas7;
KVMTRACE_5D(GTLB_WRITE, vcpu, vcpu_e500->mas0,
gtlbe->mas1, gtlbe->mas2, gtlbe->mas3, gtlbe->mas7,
handler);
trace_kvm_gtlb_write(vcpu_e500->mas0, gtlbe->mas1, gtlbe->mas2,
gtlbe->mas3, gtlbe->mas7);
/* Invalidate shadow mappings for the about-to-be-clobbered TLBE. */
if (tlbe_is_host_safe(vcpu, gtlbe)) {
@@ -545,7 +543,7 @@ int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *vcpu)
case 0:
/* TLB0 */
gtlbe->mas1 &= ~MAS1_TSIZE(~0);
gtlbe->mas1 |= MAS1_TSIZE(BOOKE_PAGESZ_4K);
gtlbe->mas1 |= MAS1_TSIZE(BOOK3E_PAGESZ_4K);
stlbsel = 0;
sesel = kvmppc_e500_stlbe_map(vcpu_e500, 0, esel);
@@ -679,14 +677,14 @@ void kvmppc_e500_tlb_setup(struct kvmppc_vcpu_e500 *vcpu_e500)
/* Insert large initial mapping for guest. */
tlbe = &vcpu_e500->guest_tlb[1][0];
tlbe->mas1 = MAS1_VALID | MAS1_TSIZE(BOOKE_PAGESZ_256M);
tlbe->mas1 = MAS1_VALID | MAS1_TSIZE(BOOK3E_PAGESZ_256M);
tlbe->mas2 = 0;
tlbe->mas3 = E500_TLB_SUPER_PERM_MASK;
tlbe->mas7 = 0;
/* 4K map for serial output. Used by kernel wrapper. */
tlbe = &vcpu_e500->guest_tlb[1][1];
tlbe->mas1 = MAS1_VALID | MAS1_TSIZE(BOOKE_PAGESZ_4K);
tlbe->mas1 = MAS1_VALID | MAS1_TSIZE(BOOK3E_PAGESZ_4K);
tlbe->mas2 = (0xe0004500 & 0xFFFFF000) | MAS2_I | MAS2_G;
tlbe->mas3 = (0xe0004500 & 0xFFFFF000) | E500_TLB_SUPER_PERM_MASK;
tlbe->mas7 = 0;
arch/powerpc/kvm/e500_tlb.h
+3 -3
View File
@@ -16,7 +16,7 @@
#define __KVM_E500_TLB_H__
#include <linux/kvm_host.h>
#include <asm/mmu-fsl-booke.h>
#include <asm/mmu-book3e.h>
#include <asm/tlb.h>
#include <asm/kvm_e500.h>
@@ -59,7 +59,7 @@ extern void kvmppc_e500_tlb_setup(struct kvmppc_vcpu_e500 *);
/* TLB helper functions */
static inline unsigned int get_tlb_size(const struct tlbe *tlbe)
{
return (tlbe->mas1 >> 8) & 0xf;
return (tlbe->mas1 >> 7) & 0x1f;
}
static inline gva_t get_tlb_eaddr(const struct tlbe *tlbe)
@@ -70,7 +70,7 @@ static inline gva_t get_tlb_eaddr(const struct tlbe *tlbe)
static inline u64 get_tlb_bytes(const struct tlbe *tlbe)
{
unsigned int pgsize = get_tlb_size(tlbe);
return 1ULL << 10 << (pgsize << 1);
return 1ULL << 10 << pgsize;
}
static inline gva_t get_tlb_end(const struct tlbe *tlbe)
arch/powerpc/kvm/emulate.c
+5 -2
View File
@@ -29,6 +29,7 @@
#include <asm/kvm_ppc.h>
#include <asm/disassemble.h>
#include "timing.h"
#include "trace.h"
#define OP_TRAP 3
@@ -187,7 +188,9 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
case SPRN_SRR1:
vcpu->arch.gpr[rt] = vcpu->arch.srr1; break;
case SPRN_PVR:
vcpu->arch.gpr[rt] = vcpu->arch.pvr; break;
vcpu->arch.gpr[rt] = mfspr(SPRN_PVR); break;
case SPRN_PIR:
vcpu->arch.gpr[rt] = mfspr(SPRN_PIR); break;
/* Note: mftb and TBRL/TBWL are user-accessible, so
* the guest can always access the real TB anyways.
@@ -417,7 +420,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
}
}
KVMTRACE_3D(PPC_INSTR, vcpu, inst, (int)vcpu->arch.pc, emulated, entryexit);
trace_kvm_ppc_instr(inst, vcpu->arch.pc, emulated);
if (advance)
vcpu->arch.pc += 4; /* Advance past emulated instruction. */

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