[prev in list] [next in list] [prev in thread] [next in thread] 

List:       android-virt
Subject:    [PATCH 17/20] KVM: arm64: Check the cookie instead of the pgd when modifying page-table
From:       Will Deacon <will () kernel ! org>
Date:       2020-07-30 15:34:03
Message-ID: 20200730153406.25136-18-will () kernel ! org
[Download RAW message or body]

In preparation for removing the 'pgd' field of 'struct kvm_s2_mmu',
update the few remaining users to check the 'pgt_cookie' field instead.

Cc: Marc Zyngier <maz@kernel.org>
Cc: Quentin Perret <qperret@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
---
 arch/arm64/kvm/mmu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index b697a23f669b..4b8234a35f5a 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1823,7 +1823,7 @@ static int kvm_unmap_hva_handler(struct kvm *kvm, gpa_t gpa, u64 size, void *dat
 int kvm_unmap_hva_range(struct kvm *kvm,
 			unsigned long start, unsigned long end)
 {
-	if (!kvm->arch.mmu.pgd)
+	if (!kvm->arch.mmu.pgt_cookie)
 		return 0;
 
 	trace_kvm_unmap_hva_range(start, end);
@@ -1886,7 +1886,7 @@ static int kvm_test_age_hva_handler(struct kvm *kvm, gpa_t gpa, u64 size, void *
 
 int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end)
 {
-	if (!kvm->arch.mmu.pgd)
+	if (!kvm->arch.mmu.pgt_cookie)
 		return 0;
 	trace_kvm_age_hva(start, end);
 	return handle_hva_to_gpa(kvm, start, end, kvm_age_hva_handler, NULL);
@@ -1894,7 +1894,7 @@ int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end)
 
 int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
 {
-	if (!kvm->arch.mmu.pgd)
+	if (!kvm->arch.mmu.pgt_cookie)
 		return 0;
 	trace_kvm_test_age_hva(hva);
 	return handle_hva_to_gpa(kvm, hva, hva + PAGE_SIZE,
-- 
2.28.0.rc0.142.g3c755180ce-goog

_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
[prev in list] [next in list] [prev in thread] [next in thread]