@@ -2946,34 +2946,29 @@ void disallowed_hugepage_adjust(u64 spte, gfn_t gfn, int cur_level,
}
}
-static int __direct_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
- int map_writable, int max_level, kvm_pfn_t pfn,
- bool prefault, bool is_tdp)
+static int __direct_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
{
bool nx_huge_page_workaround_enabled = is_nx_huge_page_enabled();
- bool write = error_code & PFERR_WRITE_MASK;
- bool exec = error_code & PFERR_FETCH_MASK;
- bool huge_page_disallowed = exec && nx_huge_page_workaround_enabled;
+ bool huge_page_disallowed = fault->exec && nx_huge_page_workaround_enabled;
struct kvm_shadow_walk_iterator it;
struct kvm_mmu_page *sp;
int level, req_level, ret;
- gfn_t gfn = gpa >> PAGE_SHIFT;
- gfn_t base_gfn = gfn;
+ gfn_t base_gfn = fault->gfn;
- level = kvm_mmu_hugepage_adjust(vcpu, gfn, max_level, &pfn,
+ level = kvm_mmu_hugepage_adjust(vcpu, fault->gfn, fault->max_level, &fault->pfn,
huge_page_disallowed, &req_level);
- trace_kvm_mmu_spte_requested(gpa, level, pfn);
- for_each_shadow_entry(vcpu, gpa, it) {
+ trace_kvm_mmu_spte_requested(fault->addr, level, fault->pfn);
+ for_each_shadow_entry(vcpu, fault->addr, it) {
/*
* We cannot overwrite existing page tables with an NX
* large page, as the leaf could be executable.
*/
if (nx_huge_page_workaround_enabled)
- disallowed_hugepage_adjust(*it.sptep, gfn, it.level,
- &pfn, &level);
+ disallowed_hugepage_adjust(*it.sptep, fault->gfn, it.level,
+ &fault->pfn, &level);
- base_gfn = gfn & ~(KVM_PAGES_PER_HPAGE(it.level) - 1);
+ base_gfn = fault->gfn & ~(KVM_PAGES_PER_HPAGE(it.level) - 1);
if (it.level == level)
break;
@@ -2985,14 +2980,14 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
it.level - 1, true, ACC_ALL);
link_shadow_page(vcpu, it.sptep, sp);
- if (is_tdp && huge_page_disallowed &&
+ if (fault->is_tdp && huge_page_disallowed &&
req_level >= it.level)
account_huge_nx_page(vcpu->kvm, sp);
}
ret = mmu_set_spte(vcpu, it.sptep, ACC_ALL,
- write, level, base_gfn, pfn, prefault,
- map_writable);
+ fault->write, level, base_gfn, fault->pfn,
+ fault->prefault, fault->map_writable);
if (ret == RET_PF_SPURIOUS)
return ret;
@@ -3924,8 +3919,7 @@ static int direct_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
r = kvm_tdp_mmu_map(vcpu, gpa, error_code, fault->map_writable, fault->max_level,
fault->pfn, fault->prefault);
else
- r = __direct_map(vcpu, gpa, error_code, fault->map_writable, fault->max_level,
- fault->pfn, fault->prefault, fault->is_tdp);
+ r = __direct_map(vcpu, fault);
out_unlock:
if (is_tdp_mmu_fault)
Pass struct kvm_page_fault to __direct_map() instead of extracting the arguments from the struct. Suggested-by: Isaku Yamahata <isaku.yamahata@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/kvm/mmu/mmu.c | 32 +++++++++++++------------------- 1 file changed, 13 insertions(+), 19 deletions(-)