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
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -89,18 +89,21 @@
"%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 @@
}
}
+#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 @@
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 @@
}
EXPORT_SYMBOL(arch_free_page);
-#endif
+#endif /* CONFIG_PPC_SMLPAR */
+#endif /* CONFIG_PPC_STD_MMU_64 */
#ifdef CONFIG_TRACEPOINTS
#ifdef HAVE_JUMP_LABEL