1 files changed, 22 insertions, 423 deletions

diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index 0fefb8666874..239461d8ea88 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -24,12 +24,12 @@
 
 static inline void __flush_itlb_all (void)
 {
-        int way, index;
+        int w, i;
 
-        for (way = 0; way < XCHAL_ITLB_ARF_WAYS; way++) {
-                for (index = 0; index < ITLB_ENTRIES_PER_ARF_WAY; index++) {
-                        int entry = way + (index << PAGE_SHIFT);
-                        invalidate_itlb_entry_no_isync (entry);
+        for (w = 0; w < ITLB_ARF_WAYS; w++) {
+                for (i = 0; i < (1 << XCHAL_ITLB_ARF_ENTRIES_LOG2); i++) {
+                        int e = w + (i << PAGE_SHIFT);
+                        invalidate_itlb_entry_no_isync(e);
                 }
         }
         asm volatile ("isync\n");
@@ -37,12 +37,12 @@ static inline void __flush_itlb_all (void)
 
 static inline void __flush_dtlb_all (void)
 {
-        int way, index;
+        int w, i;
 
-        for (way = 0; way < XCHAL_DTLB_ARF_WAYS; way++) {
-                for (index = 0; index < DTLB_ENTRIES_PER_ARF_WAY; index++) {
-                        int entry = way + (index << PAGE_SHIFT);
-                        invalidate_dtlb_entry_no_isync (entry);
+        for (w = 0; w < DTLB_ARF_WAYS; w++) {
+                for (i = 0; i < (1 << XCHAL_DTLB_ARF_ENTRIES_LOG2); i++) {
+                        int e = w + (i << PAGE_SHIFT);
+                        invalidate_dtlb_entry_no_isync(e);
                 }
         }
         asm volatile ("isync\n");
@@ -63,21 +63,25 @@ void flush_tlb_all (void)
 
 void flush_tlb_mm(struct mm_struct *mm)
 {
-#if 0
-        printk("[tlbmm<%lx>]\n", (unsigned long)mm->context);
-#endif
-
         if (mm == current->active_mm) {
                 int flags;
                 local_save_flags(flags);
-                get_new_mmu_context(mm, asid_cache);
-                set_rasid_register(ASID_INSERT(mm->context));
+                __get_new_mmu_context(mm);
+                __load_mmu_context(mm);
                 local_irq_restore(flags);
         }
         else
                 mm->context = 0;
 }
 
+#define _ITLB_ENTRIES (ITLB_ARF_WAYS << XCHAL_ITLB_ARF_ENTRIES_LOG2)
+#define _DTLB_ENTRIES (DTLB_ARF_WAYS << XCHAL_DTLB_ARF_ENTRIES_LOG2)
+#if _ITLB_ENTRIES > _DTLB_ENTRIES
+# define _TLB_ENTRIES _ITLB_ENTRIES
+#else
+# define _TLB_ENTRIES _DTLB_ENTRIES
+#endif
+
 void flush_tlb_range (struct vm_area_struct *vma,
                       unsigned long start, unsigned long end)
 {
@@ -93,7 +97,7 @@ void flush_tlb_range (struct vm_area_struct *vma,
 #endif
         local_save_flags(flags);
 
-        if (end-start + (PAGE_SIZE-1) <= SMALLEST_NTLB_ENTRIES << PAGE_SHIFT) {
+        if (end-start + (PAGE_SIZE-1) <= _TLB_ENTRIES << PAGE_SHIFT) {
                 int oldpid = get_rasid_register();
                 set_rasid_register (ASID_INSERT(mm->context));
                 start &= PAGE_MASK;
@@ -111,9 +115,7 @@ void flush_tlb_range (struct vm_area_struct *vma,
 
                 set_rasid_register(oldpid);
         } else {
-                get_new_mmu_context(mm, asid_cache);
-                if (mm == current->active_mm)
-                        set_rasid_register(ASID_INSERT(mm->context));
+                flush_tlb_mm(mm);
         }
         local_irq_restore(flags);
 }
@@ -123,10 +125,6 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page)
         struct mm_struct* mm = vma->vm_mm;
         unsigned long flags;
         int oldpid;
-#if 0
-        printk("[tlbpage<%02lx,%08lx>]\n",
-                        (unsigned long)mm->context, page);
-#endif
 
         if(mm->context == NO_CONTEXT)
                 return;
@@ -142,404 +140,5 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page)
         set_rasid_register(oldpid);
 
         local_irq_restore(flags);
-
-#if 0
-        flush_tlb_all();
-        return;
-#endif
-}
-
-
-#ifdef DEBUG_TLB
-
-#define USE_ITLB  0
-#define USE_DTLB  1
-
-struct way_config_t {
-        int indicies;
-        int indicies_log2;
-        int pgsz_log2;
-        int arf;
-};
-
-static struct way_config_t itlb[XCHAL_ITLB_WAYS] =
-{
-        { XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ENTRIES),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ENTRIES_LOG2),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, PAGESZ_LOG2_MIN),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ARF)
-        },
-        { XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ENTRIES),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ENTRIES_LOG2),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, PAGESZ_LOG2_MIN),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ARF)
-        },
-        { XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ENTRIES),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ENTRIES_LOG2),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, PAGESZ_LOG2_MIN),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ARF)
-        },
-        { XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ENTRIES),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ENTRIES_LOG2),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, PAGESZ_LOG2_MIN),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ARF)
-        },
-        { XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ENTRIES),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ENTRIES_LOG2),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, PAGESZ_LOG2_MIN),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ARF)
-        },
-        { XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ENTRIES),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ENTRIES_LOG2),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, PAGESZ_LOG2_MIN),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ARF)
-        },
-        { XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ENTRIES),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ENTRIES_LOG2),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, PAGESZ_LOG2_MIN),
-          XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ARF)
-        }
-};
-
-static struct way_config_t dtlb[XCHAL_DTLB_WAYS] =
-{
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ARF)
-        },
-        { XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ENTRIES),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ENTRIES_LOG2),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, PAGESZ_LOG2_MIN),
-          XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ARF)
-        }
-};
-
-/*  Total number of entries:  */
-#define ITLB_TOTAL_ENTRIES      \
-                XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ENTRIES) + \
-                XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ENTRIES) + \
-                XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ENTRIES) + \
-                XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ENTRIES) + \
-                XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ENTRIES) + \
-                XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ENTRIES) + \
-                XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ENTRIES)
-#define DTLB_TOTAL_ENTRIES      \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ENTRIES) + \
-                XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ENTRIES)
-
-
-typedef struct {
-    unsigned            va;
-    unsigned            pa;
-    unsigned char       asid;
-    unsigned char       ca;
-    unsigned char       way;
-    unsigned char       index;
-    unsigned char       pgsz_log2;      /* 0 .. 32 */
-    unsigned char       type;           /* 0=ITLB 1=DTLB */
-} tlb_dump_entry_t;
-
-/*  Return -1 if a precedes b, +1 if a follows b, 0 if same:  */
-int cmp_tlb_dump_info( tlb_dump_entry_t *a, tlb_dump_entry_t *b )
-{
-    if (a->asid < b->asid) return -1;
-    if (a->asid > b->asid) return  1;
-    if (a->va < b->va) return -1;
-    if (a->va > b->va) return  1;
-    if (a->pa < b->pa) return -1;
-    if (a->pa > b->pa) return  1;
-    if (a->ca < b->ca) return -1;
-    if (a->ca > b->ca) return  1;
-    if (a->way < b->way) return -1;
-    if (a->way > b->way) return  1;
-    if (a->index < b->index) return -1;
-    if (a->index > b->index) return  1;
-    return 0;
-}
-
-void sort_tlb_dump_info( tlb_dump_entry_t *t, int n )
-{
-    int i, j;
-    /*  Simple O(n*n) sort:  */
-    for (i = 0; i < n-1; i++)
-        for (j = i+1; j < n; j++)
-            if (cmp_tlb_dump_info(t+i, t+j) > 0) {
-                tlb_dump_entry_t tmp = t[i];
-                t[i] = t[j];
-                t[j] = tmp;
-            }
-}
-
-
-static tlb_dump_entry_t itlb_dump_info[ITLB_TOTAL_ENTRIES];
-static tlb_dump_entry_t dtlb_dump_info[DTLB_TOTAL_ENTRIES];
-
-
-static inline char *way_type (int type)
-{
-        return type ? "autorefill" : "non-autorefill";
-}
-
-void print_entry (struct way_config_t *way_info,
-                  unsigned int way,
-                  unsigned int index,
-                  unsigned int virtual,
-                  unsigned int translation)
-{
-        char valid_chr;
-        unsigned int va, pa, asid, ca;
-
-        va = virtual &
-                ~((1 << (way_info->pgsz_log2 + way_info->indicies_log2)) - 1);
-        asid = virtual & ((1 << XCHAL_MMU_ASID_BITS) - 1);
-        pa = translation & ~((1 << way_info->pgsz_log2) - 1);
-        ca = translation & ((1 << XCHAL_MMU_CA_BITS) - 1);
-        valid_chr = asid ? 'V' : 'I';
-
-        /* Compute and incorporate the effect of the index bits on the
-         * va.  It's more useful for kernel debugging, since we always
-         * want to know the effective va anyway. */
-
-        va += index << way_info->pgsz_log2;
-
-        printk ("\t[%d,%d] (%c) vpn 0x%.8x  ppn 0x%.8x  asid 0x%.2x  am 0x%x\n",
-                way, index, valid_chr, va, pa, asid, ca);
-}
-
-void print_itlb_entry (struct way_config_t *way_info, int way, int index)
-{
-        print_entry (way_info, way, index,
-                     read_itlb_virtual (way + (index << way_info->pgsz_log2)),
-                     read_itlb_translation (way + (index << way_info->pgsz_log2)));
-}
-
-void print_dtlb_entry (struct way_config_t *way_info, int way, int index)
-{
-        print_entry (way_info, way, index,
-                     read_dtlb_virtual (way + (index << way_info->pgsz_log2)),
-                     read_dtlb_translation (way + (index << way_info->pgsz_log2)));
-}
-
-void dump_itlb (void)
-{
-        int way, index;
-
-        printk ("\nITLB: ways = %d\n", XCHAL_ITLB_WAYS);
-
-        for (way = 0; way < XCHAL_ITLB_WAYS; way++) {
-                printk ("\nWay: %d, Entries: %d, MinPageSize: %d, Type: %s\n",
-                        way, itlb[way].indicies,
-                        itlb[way].pgsz_log2, way_type(itlb[way].arf));
-                for (index = 0; index < itlb[way].indicies; index++) {
-                        print_itlb_entry(&itlb[way], way, index);
-                }
-        }
-}
-
-void dump_dtlb (void)
-{
-        int way, index;
-
-        printk ("\nDTLB: ways = %d\n", XCHAL_DTLB_WAYS);
-
-        for (way = 0; way < XCHAL_DTLB_WAYS; way++) {
-                printk ("\nWay: %d, Entries: %d, MinPageSize: %d, Type: %s\n",
-                        way, dtlb[way].indicies,
-                        dtlb[way].pgsz_log2, way_type(dtlb[way].arf));
-                for (index = 0; index < dtlb[way].indicies; index++) {
-                        print_dtlb_entry(&dtlb[way], way, index);
-                }
-        }
-}
-
-void dump_tlb (tlb_dump_entry_t *tinfo, struct way_config_t *config,
-                int entries, int ways, int type, int show_invalid)
-{
-    tlb_dump_entry_t *e = tinfo;
-    int way, i;
-
-    /*  Gather all info:  */
-    for (way = 0; way < ways; way++) {
-        struct way_config_t *cfg = config + way;
-        for (i = 0; i < cfg->indicies; i++) {
-            unsigned wayindex = way + (i << cfg->pgsz_log2);
-            unsigned vv = (type ? read_dtlb_virtual (wayindex)
-                                : read_itlb_virtual (wayindex));
-            unsigned pp = (type ? read_dtlb_translation (wayindex)
-                                : read_itlb_translation (wayindex));
-
-            /* Compute and incorporate the effect of the index bits on the
-             * va.  It's more useful for kernel debugging, since we always
-             * want to know the effective va anyway. */
-
-            e->va = (vv & ~((1 << (cfg->pgsz_log2 + cfg->indicies_log2)) - 1));
-            e->va += (i << cfg->pgsz_log2);
-            e->pa = (pp & ~((1 << cfg->pgsz_log2) - 1));
-            e->asid = (vv & ((1 << XCHAL_MMU_ASID_BITS) - 1));
-            e->ca = (pp & ((1 << XCHAL_MMU_CA_BITS) - 1));
-            e->way = way;
-            e->index = i;
-            e->pgsz_log2 = cfg->pgsz_log2;
-            e->type = type;
-            e++;
-        }
-    }
-#if 1
-    /*  Sort by ASID and VADDR:  */
-    sort_tlb_dump_info (tinfo, entries);
-#endif
-
-    /*  Display all sorted info:  */
-    printk ("\n%cTLB dump:\n", (type ? 'D' : 'I'));
-    for (e = tinfo, i = 0; i < entries; i++, e++) {
-#if 0
-        if (e->asid == 0 && !show_invalid)
-            continue;
-#endif
-        printk ("%c way=%d i=%d  ASID=%02X V=%08X -> P=%08X CA=%X (%d %cB)\n",
-                (e->type ? 'D' : 'I'), e->way, e->index,
-                e->asid, e->va, e->pa, e->ca,
-                (1 << (e->pgsz_log2 % 10)),
-                " kMG"[e->pgsz_log2 / 10]
-                );
-    }
-}
-
-void dump_tlbs2 (int showinv)
-{
-    dump_tlb (itlb_dump_info, itlb, ITLB_TOTAL_ENTRIES, XCHAL_ITLB_WAYS, 0, showinv);
-    dump_tlb (dtlb_dump_info, dtlb, DTLB_TOTAL_ENTRIES, XCHAL_DTLB_WAYS, 1, showinv);
-}
-
-void dump_all_tlbs (void)
-{
-    dump_tlbs2 (1);
-}
-
-void dump_valid_tlbs (void)
-{
-    dump_tlbs2 (0);
 }
 
-
-void dump_tlbs (void)
-{
-        dump_itlb();
-        dump_dtlb();
-}
-
-void dump_cache_tag(int dcache, int idx)
-{
-        int w, i, s, e;
-        unsigned long tag, index;
-        unsigned long num_lines, num_ways, cache_size, line_size;
-
-        num_ways = dcache ? XCHAL_DCACHE_WAYS : XCHAL_ICACHE_WAYS;
-        cache_size = dcache ? XCHAL_DCACHE_SIZE : XCHAL_ICACHE_SIZE;
-        line_size = dcache ? XCHAL_DCACHE_LINESIZE : XCHAL_ICACHE_LINESIZE;
-
-        num_lines = cache_size / num_ways;
-
-        s = 0; e = num_lines;
-
-        if (idx >= 0)
-                e = (s = idx * line_size) + 1;
-
-        for (i = s; i < e; i+= line_size) {
-                printk("\nline %#08x:", i);
-                for (w = 0; w < num_ways; w++) {
-                        index = w * num_lines + i;
-                        if (dcache)
-                                __asm__ __volatile__("ldct %0, %1\n\t"
-                                                : "=a"(tag) : "a"(index));
-                        else
-                                __asm__ __volatile__("lict %0, %1\n\t"
-                                                : "=a"(tag) : "a"(index));
-
-                        printk(" %#010lx", tag);
-                }
-        }
-        printk ("\n");
-}
-
-void dump_icache(int index)
-{
-        unsigned long data, addr;
-        int w, i;
-
-        const unsigned long num_ways = XCHAL_ICACHE_WAYS;
-        const unsigned long cache_size = XCHAL_ICACHE_SIZE;
-        const unsigned long line_size = XCHAL_ICACHE_LINESIZE;
-        const unsigned long num_lines = cache_size / num_ways / line_size;
-
-        for (w = 0; w < num_ways; w++) {
-                printk ("\nWay %d", w);
-
-                for (i = 0; i < line_size; i+= 4) {
-                        addr = w * num_lines + index * line_size + i;
-                        __asm__ __volatile__("licw %0, %1\n\t"
-                                        : "=a"(data) : "a"(addr));
-                        printk(" %#010lx", data);
-                }
-        }
-        printk ("\n");
-}
-
-void dump_cache_tags(void)
-{
-        printk("Instruction cache\n");
-        dump_cache_tag(0, -1);
-        printk("Data cache\n");
-        dump_cache_tag(1, -1);
-}
-
-#endif