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hv_vm: Correctly split software mapped L2 blocks

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Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2021-05-15 01:28:44 +09:00
parent bf34611bf4
commit 5d3f154d0f
1 changed files with 2 additions and 0 deletions
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src/hv_vm.c
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@ -157,6 +157,8 @@ static u64 *hv_pt_get_l3(u64 from)
l3d &= ~PTE_TYPE;
l3d |= FIELD_PREP(PTE_TYPE, PTE_PAGE);
incr = BIT(VADDR_L3_OFFSET_BITS);
} else if (IS_SW(l2d) && FIELD_GET(SPTE_TYPE, l3d) == SPTE_MAP) {
incr = BIT(VADDR_L3_OFFSET_BITS);
}
for (u64 idx = 0; idx < ENTRIES_PER_L3_TABLE; idx++, l3d += incr)
l3[idx] = l3d;