From: Zhang Xiantao <[EMAIL PROTECTED]> Date: Fri, 14 Dec 2007 01:33:04 +0800 Subject: [PATCH] kvm: portabiltiy: Moving cpuid_entries to arch
This patch moves cpuid_entries to kvm_vcpu_arch.
Signed-off-by: Zhang Xiantao <[EMAIL PROTECTED]>
---
drivers/kvm/x86.c | 50
+++++++++++++++++++++++++-------------------------
drivers/kvm/x86.h | 5 ++---
2 files changed, 27 insertions(+), 28 deletions(-)
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 41d8e37..1333103 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -760,8 +760,8 @@ static void cpuid_fix_nx_cap(struct kvm_vcpu *vcpu)
struct kvm_cpuid_entry2 *e, *entry;
entry = NULL;
- for (i = 0; i < vcpu->cpuid_nent; ++i) {
- e = &vcpu->cpuid_entries[i];
+ for (i = 0; i < vcpu->arch.cpuid_nent; ++i) {
+ e = &vcpu->arch.cpuid_entries[i];
if (e->function == 0x80000001) {
entry = e;
break;
@@ -793,18 +793,18 @@ static int kvm_vcpu_ioctl_set_cpuid(struct
kvm_vcpu *vcpu,
cpuid->nent * sizeof(struct
kvm_cpuid_entry)))
goto out_free;
for (i = 0; i < cpuid->nent; i++) {
- vcpu->cpuid_entries[i].function =
cpuid_entries[i].function;
- vcpu->cpuid_entries[i].eax = cpuid_entries[i].eax;
- vcpu->cpuid_entries[i].ebx = cpuid_entries[i].ebx;
- vcpu->cpuid_entries[i].ecx = cpuid_entries[i].ecx;
- vcpu->cpuid_entries[i].edx = cpuid_entries[i].edx;
- vcpu->cpuid_entries[i].index = 0;
- vcpu->cpuid_entries[i].flags = 0;
- vcpu->cpuid_entries[i].padding[0] = 0;
- vcpu->cpuid_entries[i].padding[1] = 0;
- vcpu->cpuid_entries[i].padding[2] = 0;
- }
- vcpu->cpuid_nent = cpuid->nent;
+ vcpu->arch.cpuid_entries[i].function =
cpuid_entries[i].function;
+ vcpu->arch.cpuid_entries[i].eax = cpuid_entries[i].eax;
+ vcpu->arch.cpuid_entries[i].ebx = cpuid_entries[i].ebx;
+ vcpu->arch.cpuid_entries[i].ecx = cpuid_entries[i].ecx;
+ vcpu->arch.cpuid_entries[i].edx = cpuid_entries[i].edx;
+ vcpu->arch.cpuid_entries[i].index = 0;
+ vcpu->arch.cpuid_entries[i].flags = 0;
+ vcpu->arch.cpuid_entries[i].padding[0] = 0;
+ vcpu->arch.cpuid_entries[i].padding[1] = 0;
+ vcpu->arch.cpuid_entries[i].padding[2] = 0;
+ }
+ vcpu->arch.cpuid_nent = cpuid->nent;
cpuid_fix_nx_cap(vcpu);
r = 0;
@@ -824,10 +824,10 @@ static int kvm_vcpu_ioctl_set_cpuid2(struct
kvm_vcpu *vcpu,
if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)
goto out;
r = -EFAULT;
- if (copy_from_user(&vcpu->cpuid_entries, entries,
+ if (copy_from_user(&vcpu->arch.cpuid_entries, entries,
cpuid->nent * sizeof(struct
kvm_cpuid_entry2)))
goto out;
- vcpu->cpuid_nent = cpuid->nent;
+ vcpu->arch.cpuid_nent = cpuid->nent;
return 0;
out:
@@ -841,16 +841,16 @@ static int kvm_vcpu_ioctl_get_cpuid2(struct
kvm_vcpu *vcpu,
int r;
r = -E2BIG;
- if (cpuid->nent < vcpu->cpuid_nent)
+ if (cpuid->nent < vcpu->arch.cpuid_nent)
goto out;
r = -EFAULT;
- if (copy_to_user(entries, &vcpu->cpuid_entries,
- vcpu->cpuid_nent * sizeof(struct
kvm_cpuid_entry2)))
+ if (copy_to_user(entries, &vcpu->arch.cpuid_entries,
+ vcpu->arch.cpuid_nent * sizeof(struct
kvm_cpuid_entry2)))
goto out;
return 0;
out:
- cpuid->nent = vcpu->cpuid_nent;
+ cpuid->nent = vcpu->arch.cpuid_nent;
return r;
}
@@ -2297,13 +2297,13 @@ void realmode_set_cr(struct kvm_vcpu *vcpu, int
cr, unsigned long val,
static int move_to_next_stateful_cpuid_entry(struct kvm_vcpu *vcpu, int
i)
{
- struct kvm_cpuid_entry2 *e = &vcpu->cpuid_entries[i];
- int j, nent = vcpu->cpuid_nent;
+ struct kvm_cpuid_entry2 *e = &vcpu->arch.cpuid_entries[i];
+ int j, nent = vcpu->arch.cpuid_nent;
e->flags &= ~KVM_CPUID_FLAG_STATE_READ_NEXT;
/* when no next entry is found, the current entry[i] is
reselected */
for (j = i + 1; j == i; j = (j + 1) % nent) {
- struct kvm_cpuid_entry2 *ej = &vcpu->cpuid_entries[j];
+ struct kvm_cpuid_entry2 *ej =
&vcpu->arch.cpuid_entries[j];
if (ej->function == e->function) {
ej->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT;
return j;
@@ -2341,8 +2341,8 @@ void kvm_emulate_cpuid(struct kvm_vcpu *vcpu)
vcpu->arch.regs[VCPU_REGS_RCX] = 0;
vcpu->arch.regs[VCPU_REGS_RDX] = 0;
best = NULL;
- for (i = 0; i < vcpu->cpuid_nent; ++i) {
- e = &vcpu->cpuid_entries[i];
+ for (i = 0; i < vcpu->arch.cpuid_nent; ++i) {
+ e = &vcpu->arch.cpuid_entries[i];
if (is_matching_cpuid_entry(e, function, index)) {
if (e->flags & KVM_CPUID_FLAG_STATEFUL_FUNC)
move_to_next_stateful_cpuid_entry(vcpu,
i);
diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h
index c4bb5fc..2a7bd5d 100644
--- a/drivers/kvm/x86.h
+++ b/drivers/kvm/x86.h
@@ -155,14 +155,13 @@ struct kvm_vcpu_arch {
} rmode;
int halt_request; /* real mode on Intel only */
+ int cpuid_nent;
+ struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES];
};
struct kvm_vcpu {
KVM_VCPU_COMM;
- int cpuid_nent;
- struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES];
-
/* emulate context */
struct x86_emulate_ctxt emulate_ctxt;
--
1.5.1.2
0012-kvm-portabiltiy-Moving-cpuid_entries-to-arch.patch
Description: 0012-kvm-portabiltiy-Moving-cpuid_entries-to-arch.patch
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