[PATCH 10/17] KVM: arm64: Kill logging_active from kvm_s2_fault
Marc Zyngier
maz at kernel.org
Mon Mar 16 10:54:43 PDT 2026
There are only two spots where we evaluate whether logging is
active. Replace the boolean with calls to the relevant helper.
Signed-off-by: Marc Zyngier <maz at kernel.org>
---
arch/arm64/kvm/mmu.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index a5b0dd41560f6..caa5bedc79e19 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1723,7 +1723,6 @@ struct kvm_s2_fault {
bool writable;
bool s2_force_noncacheable;
kvm_pfn_t pfn;
- bool logging_active;
bool force_pte;
enum kvm_pgtable_prot prot;
struct page *page;
@@ -1853,7 +1852,7 @@ static int kvm_s2_fault_compute_prot(const struct kvm_s2_fault_desc *s2fd,
*/
fault->s2_force_noncacheable = true;
}
- } else if (fault->logging_active && !kvm_is_write_fault(s2fd->vcpu)) {
+ } else if (memslot_is_logging(s2fd->memslot) && !kvm_is_write_fault(s2fd->vcpu)) {
/*
* Only actually map the page as writable if this was a write
* fault.
@@ -1985,11 +1984,9 @@ static int kvm_s2_fault_map(const struct kvm_s2_fault_desc *s2fd,
static int user_mem_abort(const struct kvm_s2_fault_desc *s2fd)
{
bool perm_fault = kvm_vcpu_trap_is_permission_fault(s2fd->vcpu);
- bool logging_active = memslot_is_logging(s2fd->memslot);
struct kvm_s2_fault_vma_info s2vi = {};
struct kvm_s2_fault fault = {
- .logging_active = logging_active,
- .force_pte = logging_active,
+ .force_pte = memslot_is_logging(s2fd->memslot),
.prot = KVM_PGTABLE_PROT_R,
};
void *memcache;
@@ -2001,7 +1998,8 @@ static int user_mem_abort(const struct kvm_s2_fault_desc *s2fd)
* only exception to this is when dirty logging is enabled at runtime
* and a write fault needs to collapse a block entry into a table.
*/
- if (!perm_fault || (logging_active && kvm_is_write_fault(s2fd->vcpu))) {
+ if (!perm_fault || (memslot_is_logging(s2fd->memslot) &&
+ kvm_is_write_fault(s2fd->vcpu))) {
ret = prepare_mmu_memcache(s2fd->vcpu, true, &memcache);
if (ret)
return ret;
--
2.47.3
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