powerpc/mm/radix: Isolate hash table function from pseries guest code

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

diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index e4ceba2..7f6100d 100644 (file)
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -89,18 +89,21 @@ void vpa_init(int cpu)
                       "%lx failed with %ld\n", cpu, hwcpu, addr, ret);
                return;
        }
+
+#ifdef CONFIG_PPC_STD_MMU_64
        /*
         * PAPR says this feature is SLB-Buffer but firmware never
         * reports that.  All SPLPAR support SLB shadow buffer.
         */
-       addr = __pa(paca[cpu].slb_shadow_ptr);
-       if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
+       if (!radix_enabled() && firmware_has_feature(FW_FEATURE_SPLPAR)) {
+               addr = __pa(paca[cpu].slb_shadow_ptr);
                ret = register_slb_shadow(hwcpu, addr);
                if (ret)
                        pr_err("WARNING: SLB shadow buffer registration for "
                               "cpu %d (hw %d) of area %lx failed with %ld\n",
                               cpu, hwcpu, addr, ret);
        }
+#endif /* CONFIG_PPC_STD_MMU_64 */
 
        /*
         * Register dispatch trace log, if one has been allocated.
@@ -123,6 +126,8 @@ void vpa_init(int cpu)
        }
 }
 
+#ifdef CONFIG_PPC_STD_MMU_64
+
 static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
                                     unsigned long vpn, unsigned long pa,
                                     unsigned long rflags, unsigned long vflags,
@@ -655,6 +660,8 @@ static void pSeries_set_page_state(struct page *page, int order,
 
 void arch_free_page(struct page *page, int order)
 {
+       if (radix_enabled())
+               return;
        if (!cmo_free_hint_flag || !firmware_has_feature(FW_FEATURE_CMO))
                return;
 
@@ -662,7 +669,8 @@ void arch_free_page(struct page *page, int order)
 }
 EXPORT_SYMBOL(arch_free_page);
 
-#endif
+#endif /* CONFIG_PPC_SMLPAR */
+#endif /* CONFIG_PPC_STD_MMU_64 */
 
 #ifdef CONFIG_TRACEPOINTS
 #ifdef HAVE_JUMP_LABEL

diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c
index c9fecf0..afa05a2 100644 (file)
--- a/arch/powerpc/platforms/pseries/lparcfg.c
+++ b/arch/powerpc/platforms/pseries/lparcfg.c
@@ -484,8 +484,9 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
        seq_printf(m, "shared_processor_mode=%d\n",
                   lppaca_shared_proc(get_lppaca()));
 
+#ifdef CONFIG_PPC_STD_MMU_64
        seq_printf(m, "slb_size=%d\n", mmu_slb_size);
-
+#endif
        parse_em_data(m);
 
        return 0;