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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: ed7ae7a34bea ("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>

authored by

Wang Yechao and committed by
Anup Patel b342166c 7120a9d9

+1 -1
+1 -1
arch/riscv/kvm/mmu.c
··· 539 539 goto out_unlock; 540 540 541 541 /* Check if we are backed by a THP and thus use block mapping if possible */ 542 - if (vma_pagesize == PAGE_SIZE) 542 + if (!logging && (vma_pagesize == PAGE_SIZE)) 543 543 vma_pagesize = transparent_hugepage_adjust(kvm, memslot, hva, &hfn, &gpa); 544 544 545 545 if (writable) {