RISC-V: KVM: Fix skip of valid pages in kvm_riscv_gstage_wp_range

The current gstage range walker unconditionally advances by 'page_size'
when a leaf PTE is not found, e.g. when the range to wp is
[0xfffff01fc000, 0xfffff023c000) and page_size is 2MB, if found_leaf of
0xfffff01fc000 returns false, it skip the whole range, but it's possible
to have valid entries in [0xfffff0200000, 0xfffff023c000).

Signed-off-by: Wu Fei <wu.fei9@sanechips.com.cn>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260604230317.30501-2-atwufei@163.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Wu Fei 2026-06-05 07:03:14 +08:00 • committed by Anup Patel
commit 0d9dc20842