Commits · 3a56b20104f51bd6caf07e49fa1e3c09bee222e5 · Kirill Smelkov / linux

30 Jan, 2008 40 commits

KVM: Portability: Move kvm_segment & kvm_dtable structure to <asm/kvm.h> · 3a56b201

Jerone Young authored Nov 19, 2007

This patch moves structures:
	kvm_segment
	kvm_dtable
from include/linux/kvm.h to include/asm-x86/kvm.h
Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

3a56b201

KVM: Portability: Move structure lapic_state to <asm/kvm.h> · d9ecf928

Jerone Young authored Nov 19, 2007

This patch moves structure lapic_state from include/linux/kvm.h
to include/asm-x86/kvm.h
Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

d9ecf928

KVM: Portability: Move kvm_regs to <asm/kvm.h> · 19d30b16

Jerone Young authored Nov 19, 2007

This patch moves structure kvm_regs to include/asm-x86/kvm.h.
Each architecture will need to create there own version of this
structure.
Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

19d30b16

KVM: Portability: Move x86 pic strutctures · da1386a5

Jerone Young authored Nov 19, 2007

This patch moves structures:
	kvm_pic_state
	kvm_ioapic_state

to inclue/asm-x86/kvm.h.
Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

da1386a5

KVM: Portability: Move kvm_memory_alias to asm/kvm.h · f6a40e3b

Jerone Young authored Nov 19, 2007

This patch moves sturct kvm_memory_alias from include/linux/kvm.h
to include/asm-x86/kvm.h. Also have include/linux/kvm.h include
include/asm/kvm.h.
Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

f6a40e3b

KVM: Move misplaced comment · 7faa8f6f

Hollis Blanchard authored Nov 19, 2007

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

7faa8f6f

KVM: Correct consistent typo: "destory" -> "destroy" · d40ccc62
Hollis Blanchard authored Nov 19, 2007
```
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
d40ccc62

KVM: Remove unused "rmap_overflow" variable · 00fc9f5a

Hollis Blanchard authored Nov 19, 2007

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

00fc9f5a

KVM: MMU: Remove unused variable · 971535ff
Avi Kivity authored Nov 19, 2007
```
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
971535ff

KVM: Simplify kvm_clear_guest_page() · 3e021bf5

Izik Eidus authored Nov 19, 2007

Use kvm_write_guest_page() with empty_zero_page, instead of doing
kmap and memset.
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

3e021bf5

KVM: MMU: Change guest pte access to kvm_{read,write}_guest() · ec8d4eae

Izik Eidus authored Nov 19, 2007

Things are simpler and more regular this way.
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

ec8d4eae

KVM: VMX: Force seg.base == (seg.sel << 4) in real mode · 15b00f32

Jan Kiszka authored Nov 19, 2007

Ensure that segment.base == segment.selector << 4 when entering the real
mode on Intel so that the CPU will not bark at us. This fixes some old
protected mode demo from http://www.x86.org/articles/pmbasics/tspec_a1_doc.htm.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

15b00f32

KVM: Portability: Move some function declarations to x86.h · 54f1585a
Zhang Xiantao authored Nov 19, 2007
```
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
54f1585a
KVM: Move some static inline functions out from kvm.h into x86.h · ec6d273d
Zhang Xiantao authored Nov 19, 2007
```
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
ec6d273d
KVM: Portability: Move vcpu regs enumeration definition to x86.h · 2b3ccfa0
Zhang Xiantao authored Nov 19, 2007
```
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
2b3ccfa0
KVM: Portability: Move struct kvm_x86_ops definition to x86.h · ea4a5ff8
Zhang Xiantao authored Nov 19, 2007
```
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
ea4a5ff8
KVM: Portability: Move some macro definitions from kvm.h to x86.h · cd6e8f87
Zhang Xiantao authored Nov 19, 2007
```
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
cd6e8f87

KVM: Portability: MMU initialization and teardown split · 56c6d28a

Zhang Xiantao authored Nov 18, 2007

Move out kvm_mmu init and exit functionality from kvm_main.c
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

56c6d28a

KVM: Portability: Move kvm_vcpu_ioctl_get_dirty_log to arch-specific file · 5bb064dc

Zhang Xiantao authored Nov 18, 2007

Meanwhile keep the interface in common, and leave as more logic in common
as possible.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

5bb064dc

KVM: Make unloading of FPU state when putting vcpu arch-independent · 9327fd11

Amit Shah authored Nov 15, 2007

Instead of having each architecture do it individually, we
do this in the arch-independent code (just x86 as of now).

[avi: add svm to the mix, which was added to mainline during the
 2.6.24-rc process]
Signed-off-by: Amit Shah <amit.shah@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

9327fd11

KVM: MMU: Add some mmu statistics · 4cee5764
Avi Kivity authored Nov 18, 2007
```
Signed-off-by: Avi Kivity <avi@qumranet.com>
```
4cee5764

KVM: Extend stats support for VM stats · ba1389b7

Avi Kivity authored Nov 18, 2007

This is in addition to the current virtual cpu statistics.
Signed-off-by: Avi Kivity <avi@qumranet.com>

ba1389b7

KVM: Add instruction emulation statistics · f2b5756b
Avi Kivity authored Nov 18, 2007

f2b5756b

KVM: Add fpu_reload counter · f096ed85

Avi Kivity authored Nov 18, 2007

Measure the number of times we switch the fpu state.
Signed-off-by: Avi Kivity <avi@qumranet.com>

f096ed85

KVM: Replace 'light_exits' stat with 'host_state_reload' · e1beb1d3

Avi Kivity authored Nov 18, 2007

This is a little more accurate (since it counts actual reloads, not potential
reloads), and reverses the sense of the statistic to measure a bad event like
most of the other stats (e.g. we want to minimize all counters).
Signed-off-by: Avi Kivity <avi@qumranet.com>

e1beb1d3

KVM: Portability: Add two hooks to handle kvm_create and destroy vm · d19a9cd2

Zhang Xiantao authored Nov 18, 2007

Add two arch hooks to handle kvm_create_vm and kvm destroy_vm. Now, just
put io_bus init and destory in common.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

d19a9cd2

KVM: Remove __init attributes for kvm_init_debug and kvm_init_msr_list · a16b043c

Zhang Xiantao authored Nov 16, 2007

Since their callers are not declared with __init.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

a16b043c

KVM: Remove ptr comparisons to 0 · 56919c5c

Joe Perches authored Nov 12, 2007

Fix sparse warnings "Using plain integer as NULL pointer"
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

56919c5c

KVM: Portability: Make kvm_vcpu_ioctl_translate arch dependent · 8b006791

Zhang Xiantao authored Nov 16, 2007

Move kvm_vcpu_ioctl_translate to arch, since mmu would be put under arch.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

8b006791

KVM: VMX: Consolidate register usage in vmx_vcpu_run() · e08aa78a

Avi Kivity authored Nov 15, 2007

We pass vcpu, vmx->fail, and vmx->launched to assembly code, but all three
are fields within vmx.  Consolidate by only passing in vmx and offsets for
the rest.
Signed-off-by: Avi Kivity <avi@qumranet.com>

e08aa78a

KVM: Portability: move KVM_CHECK_EXTENSION · 018d00d2

Zhang Xiantao authored Nov 15, 2007

Make KVM_CHECK_EXTENSION code into a function, all archs can define its
capability independently.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

018d00d2

KVM: x86 emulator: modify 'lods', and 'stos' not to depend on CR2 · a7e6c88a

Sheng Yang authored Nov 15, 2007

The current 'lods' and 'stos' is depending on incoming CR2 rather than decode
memory address from registers.
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

a7e6c88a

KVM: Portability: Move x86 specific code from kvm_init() to kvm_arch() · f8c16bba

Zhang Xiantao authored Nov 14, 2007

Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

f8c16bba

KVM: Portability: Combine kvm_init and kvm_init_x86 · cb498ea2

Zhang Xiantao authored Nov 14, 2007

Will be called once arch module registers itself.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

cb498ea2

KVM: Portability: Add vcpu and hardware management arch hooks · e9b11c17

Zhang Xiantao authored Nov 14, 2007

Add the following hooks:

  void decache_vcpus_on_cpu(int cpu);
  int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
  void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu);
  void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu);
  void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
  void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
  struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id);
  void kvm_arch_vcpu_destory(struct kvm_vcpu *vcpu);
  int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu);
  void kvm_arch_hardware_enable(void *garbage);
  void kvm_arch_hardware_disable(void *garbage);
  int kvm_arch_hardware_setup(void);
  void kvm_arch_hardware_unsetup(void);
  void kvm_arch_check_processor_compat(void *rtn);
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

e9b11c17

KVM: Portability: Move kvm_x86_ops to x86.c · 97896d04

Zhang Xiantao authored Nov 14, 2007

Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

97896d04

KVM: Portability: Move some includes to x86.c · d825ed0a

Zhang Xiantao authored Nov 14, 2007

Move some includes to x86.c from kvm_main.c, since the related functions
have been moved to x86.c
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

d825ed0a

KVM: Change kvm_{read,write}_guest() to use copy_{from,to}_user() · e0506bcb

Izik Eidus authored Nov 11, 2007

This changes kvm_write_guest_page/kvm_read_guest_page to use
copy_to_user/read_from_user, as a result we get better speed
and better dirty bit tracking.
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

e0506bcb

KVM: introduce gfn_to_hva() · 539cb660

Izik Eidus authored Nov 11, 2007

Convert a guest frame number to the corresponding host virtual address.
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

539cb660

KVM: add kvm_is_error_hva() · f9d46eb0

Izik Eidus authored Nov 11, 2007

Check for the "error hva", an address outside the user address space that
signals a bad gfn.
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

f9d46eb0