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Message-Id: <20220414074000.31438-16-pbonzini@redhat.com>
Date: Thu, 14 Apr 2022 03:39:53 -0400
From: Paolo Bonzini <pbonzini@...hat.com>
To: linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc: seanjc@...gle.com
Subject: [PATCH 15/22] KVM: x86/mmu: rename kvm_mmu_role union
It is quite confusing that the "full" union is called kvm_mmu_role
but is used for the "cpu_role" field of struct kvm_mmu. Rename it
to kvm_cpu_role.
Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
arch/x86/include/asm/kvm_host.h | 6 +++---
arch/x86/kvm/mmu/mmu.c | 28 ++++++++++++++--------------
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index c81221d03a1b..6bc5550ae530 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -281,7 +281,7 @@ struct kvm_kernel_irq_routing_entry;
/*
* kvm_mmu_page_role tracks the properties of a shadow page (where shadow page
* also includes TDP pages) to determine whether or not a page can be used in
- * the given MMU context. This is a subset of the overall kvm_mmu_role to
+ * the given MMU context. This is a subset of the overall kvm_cpu_role to
* minimize the size of kvm_memory_slot.arch.gfn_track, i.e. allows allocating
* 2 bytes per gfn instead of 4 bytes per gfn.
*
@@ -378,7 +378,7 @@ union kvm_mmu_extended_role {
};
};
-union kvm_mmu_role {
+union kvm_cpu_role {
u64 as_u64;
struct {
union kvm_mmu_page_role base;
@@ -438,7 +438,7 @@ struct kvm_mmu {
struct kvm_mmu_page *sp);
void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva, hpa_t root_hpa);
struct kvm_mmu_root_info root;
- union kvm_mmu_role cpu_role;
+ union kvm_cpu_role cpu_role;
union kvm_mmu_page_role root_role;
u8 root_level;
u8 shadow_root_level;
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 13eb2d40e0a3..483a3761db81 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4683,10 +4683,10 @@ static void paging32_init_context(struct kvm_mmu *context)
context->direct_map = false;
}
-static union kvm_mmu_role
+static union kvm_cpu_role
kvm_calc_cpu_role(struct kvm_vcpu *vcpu, const struct kvm_mmu_role_regs *regs)
{
- union kvm_mmu_role role = {0};
+ union kvm_cpu_role role = {0};
role.base.access = ACC_ALL;
role.base.smm = is_smm(vcpu);
@@ -4740,7 +4740,7 @@ static inline int kvm_mmu_get_tdp_level(struct kvm_vcpu *vcpu)
static union kvm_mmu_page_role
kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu,
- union kvm_mmu_role cpu_role)
+ union kvm_cpu_role cpu_role)
{
union kvm_mmu_page_role role = {0};
@@ -4761,7 +4761,7 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu,
const struct kvm_mmu_role_regs *regs)
{
struct kvm_mmu *context = &vcpu->arch.root_mmu;
- union kvm_mmu_role cpu_role = kvm_calc_cpu_role(vcpu, regs);
+ union kvm_cpu_role cpu_role = kvm_calc_cpu_role(vcpu, regs);
union kvm_mmu_page_role root_role = kvm_calc_tdp_mmu_root_page_role(vcpu, cpu_role);
if (cpu_role.as_u64 == context->cpu_role.as_u64 &&
@@ -4793,7 +4793,7 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu,
static union kvm_mmu_page_role
kvm_calc_shadow_mmu_root_page_role(struct kvm_vcpu *vcpu,
- union kvm_mmu_role cpu_role)
+ union kvm_cpu_role cpu_role)
{
union kvm_mmu_page_role role;
@@ -4819,7 +4819,7 @@ kvm_calc_shadow_mmu_root_page_role(struct kvm_vcpu *vcpu,
}
static void shadow_mmu_init_context(struct kvm_vcpu *vcpu, struct kvm_mmu *context,
- union kvm_mmu_role cpu_role,
+ union kvm_cpu_role cpu_role,
union kvm_mmu_page_role root_role)
{
if (cpu_role.as_u64 == context->cpu_role.as_u64 &&
@@ -4847,7 +4847,7 @@ static void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu,
const struct kvm_mmu_role_regs *regs)
{
struct kvm_mmu *context = &vcpu->arch.root_mmu;
- union kvm_mmu_role cpu_role = kvm_calc_cpu_role(vcpu, regs);
+ union kvm_cpu_role cpu_role = kvm_calc_cpu_role(vcpu, regs);
union kvm_mmu_page_role root_role =
kvm_calc_shadow_mmu_root_page_role(vcpu, cpu_role);
@@ -4856,7 +4856,7 @@ static void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu,
static union kvm_mmu_page_role
kvm_calc_shadow_npt_root_page_role(struct kvm_vcpu *vcpu,
- union kvm_mmu_role cpu_role)
+ union kvm_cpu_role cpu_role)
{
union kvm_mmu_page_role role;
@@ -4875,7 +4875,7 @@ void kvm_init_shadow_npt_mmu(struct kvm_vcpu *vcpu, unsigned long cr0,
.cr4 = cr4 & ~X86_CR4_PKE,
.efer = efer,
};
- union kvm_mmu_role cpu_role = kvm_calc_cpu_role(vcpu, ®s);
+ union kvm_cpu_role cpu_role = kvm_calc_cpu_role(vcpu, ®s);
union kvm_mmu_page_role root_role = kvm_calc_shadow_npt_root_page_role(vcpu, cpu_role);
shadow_mmu_init_context(vcpu, context, cpu_role, root_role);
@@ -4883,11 +4883,11 @@ void kvm_init_shadow_npt_mmu(struct kvm_vcpu *vcpu, unsigned long cr0,
}
EXPORT_SYMBOL_GPL(kvm_init_shadow_npt_mmu);
-static union kvm_mmu_role
+static union kvm_cpu_role
kvm_calc_shadow_ept_root_page_role(struct kvm_vcpu *vcpu, bool accessed_dirty,
bool execonly, u8 level)
{
- union kvm_mmu_role role = {0};
+ union kvm_cpu_role role = {0};
/*
* KVM does not support SMM transfer monitors, and consequently does not
@@ -4914,7 +4914,7 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly,
{
struct kvm_mmu *context = &vcpu->arch.guest_mmu;
u8 level = vmx_eptp_page_walk_level(new_eptp);
- union kvm_mmu_role new_mode =
+ union kvm_cpu_role new_mode =
kvm_calc_shadow_ept_root_page_role(vcpu, accessed_dirty,
execonly, level);
@@ -4956,7 +4956,7 @@ static void init_kvm_softmmu(struct kvm_vcpu *vcpu,
static void init_kvm_nested_mmu(struct kvm_vcpu *vcpu,
const struct kvm_mmu_role_regs *regs)
{
- union kvm_mmu_role new_mode = kvm_calc_cpu_role(vcpu, regs);
+ union kvm_cpu_role new_mode = kvm_calc_cpu_role(vcpu, regs);
struct kvm_mmu *g_context = &vcpu->arch.nested_mmu;
if (new_mode.as_u64 == g_context->cpu_role.as_u64)
@@ -6233,7 +6233,7 @@ int kvm_mmu_vendor_module_init(void)
*/
BUILD_BUG_ON(sizeof(union kvm_mmu_page_role) != sizeof(u32));
BUILD_BUG_ON(sizeof(union kvm_mmu_extended_role) != sizeof(u32));
- BUILD_BUG_ON(sizeof(union kvm_mmu_role) != sizeof(u64));
+ BUILD_BUG_ON(sizeof(union kvm_cpu_role) != sizeof(u64));
kvm_mmu_reset_all_pte_masks();
--
2.31.1
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