Pass struct kvm_page_fault to disallowed_hugepage_adjust() instead of
extracting the arguments from the struct. Tweak a bit the conditions
to avoid long lines.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/mmu/mmu.c | 19 ++++++++-----------
arch/x86/kvm/mmu/mmu_internal.h | 3 +--
arch/x86/kvm/mmu/paging_tmpl.h | 3 +--
arch/x86/kvm/mmu/tdp_mmu.c | 3 +--
4 files changed, 11 insertions(+), 17 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 877d0bda0f5e..7491dc685842 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -2957,12 +2957,10 @@ void kvm_mmu_hugepage_adjust(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
fault->pfn &= ~mask;
}
-void disallowed_hugepage_adjust(u64 spte, gfn_t gfn, int cur_level,
- kvm_pfn_t *pfnp, u8 *goal_levelp)
+void disallowed_hugepage_adjust(struct kvm_page_fault *fault, u64 spte, int cur_level)
{
- int level = *goal_levelp;
-
- if (cur_level == level && level > PG_LEVEL_4K &&
+ if (cur_level > PG_LEVEL_4K &&
+ cur_level == fault->goal_level &&
is_shadow_present_pte(spte) &&
!is_large_pte(spte)) {
/*
@@ -2972,10 +2970,10 @@ void disallowed_hugepage_adjust(u64 spte, gfn_t gfn, int cur_level,
* patching back for them into pfn the next 9 bits of
* the address.
*/
- u64 page_mask = KVM_PAGES_PER_HPAGE(level) -
- KVM_PAGES_PER_HPAGE(level - 1);
- *pfnp |= gfn & page_mask;
- (*goal_levelp)--;
+ u64 page_mask = KVM_PAGES_PER_HPAGE(cur_level) -
+ KVM_PAGES_PER_HPAGE(cur_level - 1);
+ fault->pfn |= fault->gfn & page_mask;
+ fault->goal_level--;
}
}
@@ -2995,8 +2993,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
* large page, as the leaf could be executable.
*/
if (fault->nx_huge_page_workaround_enabled)
- disallowed_hugepage_adjust(*it.sptep, fault->gfn, it.level,
- &fault->pfn, &fault->goal_level);
+ disallowed_hugepage_adjust(fault, *it.sptep, it.level);
base_gfn = fault->gfn & ~(KVM_PAGES_PER_HPAGE(it.level) - 1);
if (it.level == fault->goal_level)
diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
index ae0c7bc3b19b..f0295ad51f69 100644
--- a/arch/x86/kvm/mmu/mmu_internal.h
+++ b/arch/x86/kvm/mmu/mmu_internal.h
@@ -159,8 +159,7 @@ int kvm_mmu_max_mapping_level(struct kvm *kvm,
const struct kvm_memory_slot *slot, gfn_t gfn,
kvm_pfn_t pfn, int max_level);
void kvm_mmu_hugepage_adjust(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault);
-void disallowed_hugepage_adjust(u64 spte, gfn_t gfn, int cur_level,
- kvm_pfn_t *pfnp, u8 *goal_levelp);
+void disallowed_hugepage_adjust(struct kvm_page_fault *fault, u64 spte, int cur_level);
void *mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc);
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 20f616963ff4..4a263f4511a5 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -740,8 +740,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
* large page, as the leaf could be executable.
*/
if (fault->nx_huge_page_workaround_enabled)
- disallowed_hugepage_adjust(*it.sptep, fault->gfn, it.level,
- &fault->pfn, &fault->goal_level);
+ disallowed_hugepage_adjust(fault, *it.sptep, it.level);
base_gfn = fault->gfn & ~(KVM_PAGES_PER_HPAGE(it.level) - 1);
if (it.level == fault->goal_level)
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index b48256b88930..737af596adaf 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -1001,8 +1001,7 @@ int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
tdp_mmu_for_each_pte(iter, mmu, fault->gfn, fault->gfn + 1) {
if (fault->nx_huge_page_workaround_enabled)
- disallowed_hugepage_adjust(iter.old_spte, fault->gfn,
- iter.level, &fault->pfn, &fault->goal_level);
+ disallowed_hugepage_adjust(fault, iter.old_spte, iter.level);
if (iter.level == fault->goal_level)
break;
--
2.27.0
