iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: x86/mmu: rename kvm_mmu_role union

Browse Source 
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@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-02-10 07:38:32 -05:00
parent 7a458f0e1b
commit 7a7ae82923
2 changed files with 17 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/include/asm/kvm_host.h
View File

@ -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;

28
arch/x86/kvm/mmu/mmu.c
View File

@ -4726,10 +4726,10 @@ 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);
@ -4783,7 +4783,7 @@ 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};
@ -4804,7 +4804,7 @@ 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 &&
@ -4836,7 +4836,7 @@ 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;
@ -4862,7 +4862,7 @@ 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 &&
@ -4890,7 +4890,7 @@ 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);
@ -4899,7 +4899,7 @@ 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;
@ -4918,7 +4918,7 @@ 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, &regs);
union kvm_cpu_role cpu_role = kvm_calc_cpu_role(vcpu, &regs);
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);
@ -4926,11 +4926,11 @@ 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
@ -4957,7 +4957,7 @@ 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);
@ -4999,7 +4999,7 @@ 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)
@ -6276,7 +6276,7 @@ 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();