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-rw-r--r--arch/powerpc/mm/pgtable-radix.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index 8f086352e421..ed7bddc456b7 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -396,6 +396,18 @@ void radix__early_init_mmu_secondary(void)
}
}
+void radix__mmu_cleanup_all(void)
+{
+ unsigned long lpcr;
+
+ if (!firmware_has_feature(FW_FEATURE_LPAR)) {
+ lpcr = mfspr(SPRN_LPCR);
+ mtspr(SPRN_LPCR, lpcr & ~LPCR_UPRT);
+ mtspr(SPRN_PTCR, 0);
+ radix__flush_tlb_all();
+ }
+}
+
void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base,
phys_addr_t first_memblock_size)
{