diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2018-04-16 16:57:14 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-05-15 22:29:09 +1000 |
| commit | 59879d542a8e880391863d82cddf38854e3807f4 (patch) | |
| tree | 33830bae52cc9eacb5606928825eb12b79adbb03 /arch/powerpc/mm/pgtable_64.c | |
| parent | a42ae34f713b873586f42d17bb931a84306c60d9 (diff) | |
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.c | 56 |
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) { |