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hv: mmu: minor fix about add_pte 

In Commit 127c73c3, we remove the strict check for adding page table mapping. However,
we just replace the ASSERT of pr_fatal in add_pte. This is not enough. We still add
the virtual address by 4K if the page table mapping is exist and check the virtual
address is over the virtual address region for this mapping. Otherwise, The complain
will continue for 512 times at most.

Tracked-On: #3475
Signed-off-by: Li Fei1 <fei1.li@intel.com>
This commit is contained in:
Li Fei1 2020-03-06 15:45:18 +08:00 committed by wenlingz
parent 4367657771
commit e5ae37eb69
1 changed files with 5 additions and 5 deletions
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10
hypervisor/arch/x86/pagetable.c
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@ -264,12 +264,12 @@ static void add_pte(const uint64_t *pde, uint64_t paddr_start, uint64_t vaddr_st
pr_fatal("%s, pte 0x%lx is already present!\n", __func__, vaddr);
} else {
set_pgentry(pte, paddr | prot, mem_ops);
paddr += PTE_SIZE;
vaddr += PTE_SIZE;
}
paddr += PTE_SIZE;
vaddr += PTE_SIZE;
if (vaddr >= vaddr_end) {
break; /* done */
}
if (vaddr >= vaddr_end) {
break; /* done */
}
}
}