KVM: PPC: Remove page table walk helpers

This patch remove helpers which we had used only once in the code.
Limiting page table walk variants help in ensuring that we won't
end up with code walking page table with wrong assumptions.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 0 insertions, 21 deletions

diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index 9835ac4173b7..92fe01c355a9 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -249,27 +249,6 @@ extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr,
 #endif
 pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea,
                                  unsigned *shift);
-
-static inline pte_t *lookup_linux_ptep(pgd_t *pgdir, unsigned long hva,
-                                     unsigned long *pte_sizep)
-{
-        pte_t *ptep;
-        unsigned long ps = *pte_sizep;
-        unsigned int shift;
-
-        ptep = find_linux_pte_or_hugepte(pgdir, hva, &shift);
-        if (!ptep)
-                return NULL;
-        if (shift)
-                *pte_sizep = 1ul << shift;
-        else
-                *pte_sizep = PAGE_SIZE;
-
-        if (ps > *pte_sizep)
-                return NULL;
-
-        return ptep;
-}
 #endif /* __ASSEMBLY__ */
 
 #endif /* __KERNEL__ */