Commit b342166c authored by Wang Yechao's avatar Wang Yechao Committed by Anup Patel
Browse files

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: ed7ae7a3 ("RISC-V: KVM: Transparent huge page support")
Signed-off-by: default avatarWang Yechao <wang.yechao255@zte.com.cn>
Reviewed-by: default avatarAnup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260226191231140_X1Juus7s2kgVlc0ZyW_K@zte.com.cn


Signed-off-by: default avatarAnup Patel <anup@brainfault.org>
parent 7120a9d9

arch/riscv/kvm/mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -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) {