|
@@ -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)
|
|
|
{
|