RISC-V: KVM: Skip THP support check during dirty logging

When dirty logging is enabled, guest stage mappings are forced to
PAGE_SIZE granularity. Changing the mapping page size at this point
is incorrect.

Fixes: ed7ae7a34b ("RISC-V: KVM: Transparent huge page support")
Signed-off-by: Wang Yechao <wang.yechao255@zte.com.cn>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260226191231140_X1Juus7s2kgVlc0ZyW_K@zte.com.cn
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Wang Yechao 2026-02-26 19:12:31 +08:00 committed by Anup Patel
parent 7120a9d9e0
commit b342166cbc

View File

@ -539,7 +539,7 @@ int kvm_riscv_mmu_map(struct kvm_vcpu *vcpu, struct kvm_memory_slot *memslot,
goto out_unlock;
/* Check if we are backed by a THP and thus use block mapping if possible */
if (vma_pagesize == PAGE_SIZE)
if (!logging && (vma_pagesize == PAGE_SIZE))
vma_pagesize = transparent_hugepage_adjust(kvm, memslot, hva, &hfn, &gpa);
if (writable) {