The patch titled
KVM: move vmcs accessors to vmx.c
has been added to the -mm tree. Its filename is
kvm-move-vmcs-accessors-to-vmxc.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: KVM: move vmcs accessors to vmx.c
From: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/kvm.h | 27 -----------------
drivers/kvm/kvm_main.c | 22 --------------
drivers/kvm/kvm_vmx.h | 16 ----------
drivers/kvm/vmx.c | 60 +++++++++++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 65 deletions(-)
diff -puN drivers/kvm/kvm.h~kvm-move-vmcs-accessors-to-vmxc drivers/kvm/kvm.h
--- a/drivers/kvm/kvm.h~kvm-move-vmcs-accessors-to-vmxc
+++ a/drivers/kvm/kvm.h
@@ -377,9 +377,6 @@ int kvm_write_guest(struct kvm_vcpu *vcp
unsigned long size,
void *data);
-void vmcs_writel(unsigned long field, unsigned long value);
-unsigned long vmcs_readl(unsigned long field);
-
unsigned long segment_base(u16 selector);
static inline struct page *_gfn_to_page(struct kvm *kvm, gfn_t gfn)
@@ -388,30 +385,6 @@ static inline struct page *_gfn_to_page(
return (slot) ? slot->phys_mem[gfn - slot->base_gfn] : 0;
}
-static inline u16 vmcs_read16(unsigned long field)
-{
- return vmcs_readl(field);
-}
-
-static inline u32 vmcs_read32(unsigned long field)
-{
- return vmcs_readl(field);
-}
-
-static inline u64 vmcs_read64(unsigned long field)
-{
-#ifdef __x86_64__
- return vmcs_readl(field);
-#else
- return vmcs_readl(field) | ((u64)vmcs_readl(field+1) << 32);
-#endif
-}
-
-static inline void vmcs_write32(unsigned long field, u32 value)
-{
- vmcs_writel(field, value);
-}
-
static inline int is_pae(struct kvm_vcpu *vcpu)
{
return vcpu->cr4 & CR4_PAE_MASK;
diff -puN drivers/kvm/kvm_main.c~kvm-move-vmcs-accessors-to-vmxc drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c~kvm-move-vmcs-accessors-to-vmxc
+++ a/drivers/kvm/kvm_main.c
@@ -310,28 +310,6 @@ static int kvm_dev_release(struct inode
return 0;
}
-unsigned long vmcs_readl(unsigned long field)
-{
- unsigned long value;
-
- asm volatile (ASM_VMX_VMREAD_RDX_RAX
- : "=a"(value) : "d"(field) : "cc");
- return value;
-}
-EXPORT_SYMBOL_GPL(vmcs_readl);
-
-void vmcs_writel(unsigned long field, unsigned long value)
-{
- u8 error;
-
- asm volatile (ASM_VMX_VMWRITE_RAX_RDX "; setna %0"
- : "=q"(error) : "a"(value), "d"(field) : "cc" );
- if (error)
- printk(KERN_ERR "vmwrite error: reg %lx value %lx (err %d)\n",
- field, value, vmcs_read32(VM_INSTRUCTION_ERROR));
-}
-EXPORT_SYMBOL_GPL(vmcs_writel);
-
static void inject_gp(struct kvm_vcpu *vcpu)
{
kvm_arch_ops->inject_gp(vcpu, 0);
diff -puN drivers/kvm/kvm_vmx.h~kvm-move-vmcs-accessors-to-vmxc drivers/kvm/kvm_vmx.h
--- a/drivers/kvm/kvm_vmx.h~kvm-move-vmcs-accessors-to-vmxc
+++ a/drivers/kvm/kvm_vmx.h
@@ -1,22 +1,6 @@
#ifndef __KVM_VMX_H
#define __KVM_VMX_H
-static inline void vmcs_write16(unsigned long field, u16 value)
-{
- vmcs_writel(field, value);
-}
-
-static inline void vmcs_write64(unsigned long field, u64 value)
-{
-#ifdef __x86_64__
- vmcs_writel(field, value);
-#else
- vmcs_writel(field, value);
- asm volatile ("");
- vmcs_writel(field+1, value >> 32);
-#endif
-}
-
#ifdef __x86_64__
/*
* avoid save/load MSR_SYSCALL_MASK and MSR_LSTAR by std vt
diff -puN drivers/kvm/vmx.c~kvm-move-vmcs-accessors-to-vmxc drivers/kvm/vmx.c
--- a/drivers/kvm/vmx.c~kvm-move-vmcs-accessors-to-vmxc
+++ a/drivers/kvm/vmx.c
@@ -101,6 +101,66 @@ static void __vcpu_clear(void *arg)
per_cpu(current_vmcs, cpu) = 0;
}
+static unsigned long vmcs_readl(unsigned long field)
+{
+ unsigned long value;
+
+ asm volatile (ASM_VMX_VMREAD_RDX_RAX
+ : "=a"(value) : "d"(field) : "cc");
+ return value;
+}
+
+static u16 vmcs_read16(unsigned long field)
+{
+ return vmcs_readl(field);
+}
+
+static u32 vmcs_read32(unsigned long field)
+{
+ return vmcs_readl(field);
+}
+
+static u64 vmcs_read64(unsigned long field)
+{
+#ifdef __x86_64__
+ return vmcs_readl(field);
+#else
+ return vmcs_readl(field) | ((u64)vmcs_readl(field+1) << 32);
+#endif
+}
+
+static void vmcs_writel(unsigned long field, unsigned long value)
+{
+ u8 error;
+
+ asm volatile (ASM_VMX_VMWRITE_RAX_RDX "; setna %0"
+ : "=q"(error) : "a"(value), "d"(field) : "cc" );
+ if (error)
+ printk(KERN_ERR "vmwrite error: reg %lx value %lx (err %d)\n",
+ field, value, vmcs_read32(VM_INSTRUCTION_ERROR));
+}
+
+static void vmcs_write16(unsigned long field, u16 value)
+{
+ vmcs_writel(field, value);
+}
+
+static void vmcs_write32(unsigned long field, u32 value)
+{
+ vmcs_writel(field, value);
+}
+
+static void vmcs_write64(unsigned long field, u64 value)
+{
+#ifdef __x86_64__
+ vmcs_writel(field, value);
+#else
+ vmcs_writel(field, value);
+ asm volatile ("");
+ vmcs_writel(field+1, value >> 32);
+#endif
+}
+
/*
* Switches to specified vcpu, until a matching vcpu_put(), but assumes
* vcpu mutex is already taken.
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
kvm-userspace-interface.patch
kvm-userspace-interface-make-enum-values-in-userspace-interface-explicit.patch
kvm-intel-virtual-mode-extensions-definitions.patch
kvm-kvm-data-structures.patch
kvm-random-accessors-and-constants.patch
kvm-virtualization-infrastructure.patch
kvm-virtualization-infrastructure-kvm-fix-guest-cr4-corruption.patch
kvm-virtualization-infrastructure-include-desch.patch
kvm-virtualization-infrastructure-fix-segment-state-changes-across-processor-mode-switches.patch
kvm-virtualization-infrastructure-fix-asm-constraints-for-segment-loads.patch
kvm-virtualization-infrastructure-fix-mmu-reset-locking-when-setting-cr0.patch
kvm-memory-slot-management.patch
kvm-vcpu-creation-and-maintenance.patch
kvm-vcpu-creation-and-maintenance-segment-access-cleanup.patch
kvm-workaround-cr0cd-cache-disable-bit-leak-from-guest-to.patch
kvm-vcpu-execution-loop.patch
kvm-define-exit-handlers.patch
kvm-define-exit-handlers-pass-fs-gs-segment-bases-to-x86-emulator.patch
kvm-less-common-exit-handlers.patch
kvm-less-common-exit-handlers-handle-rdmsrmsr_efer.patch
kvm-mmu.patch
kvm-x86-emulator.patch
kvm-clarify-licensing.patch
kvm-x86-emulator-fix-emulator-mov-cr-decoding.patch
kvm-plumbing.patch
kvm-dynamically-determine-which-msrs-to-load-and-save.patch
kvm-fix-calculation-of-initial-value-of-rdx-register.patch
kvm-avoid-using-vmx-instruction-directly.patch
kvm-avoid-using-vmx-instruction-directly-fix-asm-constraints.patch
kvm-expose-interrupt-bitmap.patch
kvm-add-time-stamp-counter-msr-and-accessors.patch
kvm-expose-msrs-to-userspace.patch
kvm-expose-msrs-to-userspace-v2.patch
kvm-create-kvm-intelko-module.patch
kvm-make-dev-registration-happen-when-the-arch.patch
kvm-make-hardware-detection-an-arch-operation.patch
kvm-make-the-per-cpu-enable-disable-functions-arch.patch
kvm-make-the-hardware-setup-operations-non-percpu.patch
kvm-make-the-guest-debugger-an-arch-operation.patch
kvm-make-msr-accessors-arch-operations.patch
kvm-make-the-segment-accessors-arch-operations.patch
kvm-cache-guest-cr4-in-vcpu-structure.patch
kvm-cache-guest-cr0-in-vcpu-structure.patch
kvm-add-get_segment_base-arch-accessor.patch
kvm-add-idt-and-gdt-descriptor-accessors.patch
kvm-make-syncing-the-register-file-to-the-vcpu.patch
kvm-make-the-vcpu-execution-loop-an-arch-operation.patch
kvm-move-the-vmx-exit-handlers-to-vmxc.patch
kvm-make-vcpu_setup-an-arch-operation.patch
kvm-make-__set_cr0-and-dependencies-arch-operations.patch
kvm-make-__set_cr4-an-arch-operation.patch
kvm-make-__set_efer-an-arch-operation.patch
kvm-make-set_cr3-and-tlb-flushing-arch-operations.patch
kvm-make-inject_page_fault-an-arch-operation.patch
kvm-make-inject_gp-an-arch-operation.patch
kvm-use-the-idt-and-gdt-accessors-in-realmode-emulation.patch
kvm-use-the-general-purpose-register-accessors-rather.patch
kvm-move-the-vmx-tsc-accessors-to-vmxc.patch
kvm-access-rflags-through-an-arch-operation.patch
kvm-move-the-vmx-segment-field-definitions-to-vmxc.patch
kvm-add-an-arch-accessor-for-cs-d-b-and-l-bits.patch
kvm-add-a-set_cr0_no_modeswitch-arch-accessor.patch
kvm-make-vcpu_load-and-vcpu_put-arch-operations.patch
kvm-make-vcpu-creation-and-destruction-arch-operations.patch
kvm-move-vmcs-static-variables-to-vmxc.patch
kvm-make-is_long_mode-an-arch-operation.patch
kvm-use-the-tlb-flush-arch-operation-instead-of-an.patch
kvm-remove-guest_cpl.patch
kvm-move-vmcs-accessors-to-vmxc.patch
kvm-move-vmx-helper-inlines-to-vmxc.patch
kvm-remove-vmx-includes-from-arch-independent-code.patch
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