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Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 2415a0d31f8f..7f6100d91b4b 100644
--- 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,
@@ -139,7 +144,7 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
hpte_group, vpn, pa, rflags, vflags, psize);
hpte_v = hpte_encode_v(vpn, psize, apsize, ssize) | vflags | HPTE_V_VALID;
- hpte_r = hpte_encode_r(pa, psize, apsize) | rflags;
+ hpte_r = hpte_encode_r(pa, psize, apsize, ssize) | rflags;
if (!(vflags & HPTE_V_BOLTED))
pr_devel(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r);
@@ -152,10 +157,6 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
/* Exact = 0 */
flags = 0;
- /* Make pHyp happy */
- if ((rflags & _PAGE_NO_CACHE) && !(rflags & _PAGE_WRITETHRU))
- hpte_r &= ~HPTE_R_M;
-
if (firmware_has_feature(FW_FEATURE_XCMO) && !(hpte_r & HPTE_R_N))
flags |= H_COALESCE_CAND;
@@ -659,6 +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;
@@ -666,7 +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