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authorMichael Ellerman2020-09-14 22:57:18 +1000
committerMichael Ellerman2020-09-14 22:57:18 +1000
commit960e3708135ac8b03ef3d1fa773e369cfacc76b9 (patch)
tree3b3b679d211377a291a55fb9598d1c7f408aeab9 /arch/powerpc/mm
parentdc462267d2d7aacffc3c1d99b02d7a7c59db7c66 (diff)
parent0460534b532e5518c657c7d6492b9337d975eaa3 (diff)
Merge branch 'fixes' into next
Bring in our fixes branch for this cycle which avoids some small conflicts with upcoming commits.
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/book3s64/hash_utils.c2
-rw-r--r--arch/powerpc/mm/book3s64/radix_pgtable.c15
-rw-r--r--arch/powerpc/mm/init_64.c11
3 files changed, 11 insertions, 17 deletions
diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 890a71c5293e..c663e7ba801f 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -232,6 +232,8 @@ unsigned long htab_convert_pte_flags(unsigned long pteflags)
rflags |= HPTE_R_I;
else if ((pteflags & _PAGE_CACHE_CTL) == _PAGE_NON_IDEMPOTENT)
rflags |= (HPTE_R_I | HPTE_R_G);
+ else if ((pteflags & _PAGE_CACHE_CTL) == _PAGE_SAO)
+ rflags |= (HPTE_R_W | HPTE_R_I | HPTE_R_M);
else
/*
* Add memory coherence if cache inhibited is not set
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index 28c784976bed..d5f0c10d752a 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -734,21 +734,6 @@ void radix__mmu_cleanup_all(void)
}
}
-void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base,
- phys_addr_t first_memblock_size)
-{
- /*
- * We don't currently support the first MEMBLOCK not mapping 0
- * physical on those processors
- */
- BUG_ON(first_memblock_base != 0);
-
- /*
- * Radix mode is not limited by RMA / VRMA addressing.
- */
- ppc64_rma_size = ULONG_MAX;
-}
-
#ifdef CONFIG_MEMORY_HOTPLUG
static void free_pte_table(pte_t *pte_start, pmd_t *pmd)
{
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index a8618f7d00a3..386be136026e 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -452,9 +452,16 @@ void __init mmu_early_init_devtree(void)
if (!(mfmsr() & MSR_HV))
early_check_vec5();
- if (early_radix_enabled())
+ if (early_radix_enabled()) {
radix__early_init_devtree();
- else
+ /*
+ * We have finalized the translation we are going to use by now.
+ * Radix mode is not limited by RMA / VRMA addressing.
+ * Hence don't limit memblock allocations.
+ */
+ ppc64_rma_size = ULONG_MAX;
+ memblock_set_current_limit(MEMBLOCK_ALLOC_ANYWHERE);
+ } else
hash__early_init_devtree();
}
#endif /* CONFIG_PPC_BOOK3S_64 */