Rename max_page_level to explicitly call out that it tracks the max huge
page level so as to avoid confusion when a future patch moves the max
TDP level, i.e. max root level, into the MMU and kvm_configure_mmu().
Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
---
arch/x86/kvm/mmu/mmu.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 559b4b92b5e27..c867b35759ab5 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -92,7 +92,7 @@ module_param_named(flush_on_reuse, force_flush_and_sync_on_reuse, bool, 0644);
*/
bool tdp_enabled = false;
-static int max_page_level __read_mostly;
+static int max_huge_page_level __read_mostly;
enum {
AUDIT_PRE_PAGE_FAULT,
@@ -3256,7 +3256,7 @@ static int kvm_mmu_hugepage_adjust(struct kvm_vcpu *vcpu, gfn_t gfn,
if (!slot)
return PG_LEVEL_4K;
- max_level = min(max_level, max_page_level);
+ max_level = min(max_level, max_huge_page_level);
for ( ; max_level > PG_LEVEL_4K; max_level--) {
linfo = lpage_info_slot(gfn, slot, max_level);
if (!linfo->disallow_lpage)
@@ -5580,23 +5580,23 @@ void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid)
}
EXPORT_SYMBOL_GPL(kvm_mmu_invpcid_gva);
-void kvm_configure_mmu(bool enable_tdp, int tdp_page_level)
+void kvm_configure_mmu(bool enable_tdp, int tdp_huge_page_level)
{
tdp_enabled = enable_tdp;
/*
- * max_page_level reflects the capabilities of KVM's MMU irrespective
+ * max_huge_page_level reflects KVM's MMU capabilities irrespective
* of kernel support, e.g. KVM may be capable of using 1GB pages when
* the kernel is not. But, KVM never creates a page size greater than
* what is used by the kernel for any given HVA, i.e. the kernel's
* capabilities are ultimately consulted by kvm_mmu_hugepage_adjust().
*/
if (tdp_enabled)
- max_page_level = tdp_page_level;
+ max_huge_page_level = tdp_huge_page_level;
else if (boot_cpu_has(X86_FEATURE_GBPAGES))
- max_page_level = PG_LEVEL_1G;
+ max_huge_page_level = PG_LEVEL_1G;
else
- max_page_level = PG_LEVEL_2M;
+ max_huge_page_level = PG_LEVEL_2M;
}
EXPORT_SYMBOL_GPL(kvm_configure_mmu);
--
2.26.0
