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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2018-04-16 14:27:14 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2018-05-15 15:29:09 +0300
commit59879d542a8e880391863d82cddf38854e3807f4 (patch)
tree33830bae52cc9eacb5606928825eb12b79adbb03 /arch/powerpc/mm/pgtable_64.c
parenta42ae34f713b873586f42d17bb931a84306c60d9 (diff)
downloadlinux-59879d542a8e880391863d82cddf38854e3807f4.tar.xz
powerpc/mm/book3s64: Move book3s64 code to pgtable-book3s64
Only code movement and avoid #ifdef. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
-rw-r--r--arch/powerpc/mm/pgtable_64.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 9bf659d5078c..a41784dd2042 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -33,7 +33,6 @@
#include <linux/swap.h>
#include <linux/stddef.h>
#include <linux/vmalloc.h>
-#include <linux/memblock.h>
#include <linux/slab.h>
#include <linux/hugetlb.h>
@@ -47,13 +46,11 @@
#include <asm/smp.h>
#include <asm/machdep.h>
#include <asm/tlb.h>
-#include <asm/trace.h>
#include <asm/processor.h>
#include <asm/cputable.h>
#include <asm/sections.h>
#include <asm/firmware.h>
#include <asm/dma.h>
-#include <asm/powernv.h>
#include "mmu_decl.h"
@@ -429,59 +426,6 @@ void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift)
}
#endif
-#ifdef CONFIG_PPC_BOOK3S_64
-void __init mmu_partition_table_init(void)
-{
- unsigned long patb_size = 1UL << PATB_SIZE_SHIFT;
- unsigned long ptcr;
-
- BUILD_BUG_ON_MSG((PATB_SIZE_SHIFT > 36), "Partition table size too large.");
- partition_tb = __va(memblock_alloc_base(patb_size, patb_size,
- MEMBLOCK_ALLOC_ANYWHERE));
-
- /* Initialize the Partition Table with no entries */
- memset((void *)partition_tb, 0, patb_size);
-
- /*
- * update partition table control register,
- * 64 K size.
- */
- ptcr = __pa(partition_tb) | (PATB_SIZE_SHIFT - 12);
- mtspr(SPRN_PTCR, ptcr);
- powernv_set_nmmu_ptcr(ptcr);
-}
-
-void mmu_partition_table_set_entry(unsigned int lpid, unsigned long dw0,
- unsigned long dw1)
-{
- unsigned long old = be64_to_cpu(partition_tb[lpid].patb0);
-
- partition_tb[lpid].patb0 = cpu_to_be64(dw0);
- partition_tb[lpid].patb1 = cpu_to_be64(dw1);
-
- /*
- * Global flush of TLBs and partition table caches for this lpid.
- * The type of flush (hash or radix) depends on what the previous
- * use of this partition ID was, not the new use.
- */
- asm volatile("ptesync" : : : "memory");
- if (old & PATB_HR) {
- asm volatile(PPC_TLBIE_5(%0,%1,2,0,1) : :
- "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid));
- asm volatile(PPC_TLBIE_5(%0,%1,2,1,1) : :
- "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid));
- trace_tlbie(lpid, 0, TLBIEL_INVAL_SET_LPID, lpid, 2, 0, 1);
- } else {
- asm volatile(PPC_TLBIE_5(%0,%1,2,0,0) : :
- "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid));
- trace_tlbie(lpid, 0, TLBIEL_INVAL_SET_LPID, lpid, 2, 0, 0);
- }
- /* do we need fixup here ?*/
- asm volatile("eieio; tlbsync; ptesync" : : : "memory");
-}
-EXPORT_SYMBOL_GPL(mmu_partition_table_set_entry);
-#endif /* CONFIG_PPC_BOOK3S_64 */
-
#ifdef CONFIG_STRICT_KERNEL_RWX
void mark_rodata_ro(void)
{