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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /arch/sparc/mm/tsb.c
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'arch/sparc/mm/tsb.c')
-rw-r--r--arch/sparc/mm/tsb.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index 101d7c82870b..a5f51b22fcbe 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -47,12 +47,13 @@ void flush_tsb_kernel_range(unsigned long start, unsigned long end)
47 } 47 }
48} 48}
49 49
50static void __flush_tsb_one(struct mmu_gather *mp, unsigned long hash_shift, unsigned long tsb, unsigned long nentries) 50static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift,
51 unsigned long tsb, unsigned long nentries)
51{ 52{
52 unsigned long i; 53 unsigned long i;
53 54
54 for (i = 0; i < mp->tlb_nr; i++) { 55 for (i = 0; i < tb->tlb_nr; i++) {
55 unsigned long v = mp->vaddrs[i]; 56 unsigned long v = tb->vaddrs[i];
56 unsigned long tag, ent, hash; 57 unsigned long tag, ent, hash;
57 58
58 v &= ~0x1UL; 59 v &= ~0x1UL;
@@ -65,9 +66,9 @@ static void __flush_tsb_one(struct mmu_gather *mp, unsigned long hash_shift, uns
65 } 66 }
66} 67}
67 68
68void flush_tsb_user(struct mmu_gather *mp) 69void flush_tsb_user(struct tlb_batch *tb)
69{ 70{
70 struct mm_struct *mm = mp->mm; 71 struct mm_struct *mm = tb->mm;
71 unsigned long nentries, base, flags; 72 unsigned long nentries, base, flags;
72 73
73 spin_lock_irqsave(&mm->context.lock, flags); 74 spin_lock_irqsave(&mm->context.lock, flags);
@@ -76,7 +77,7 @@ void flush_tsb_user(struct mmu_gather *mp)
76 nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; 77 nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries;
77 if (tlb_type == cheetah_plus || tlb_type == hypervisor) 78 if (tlb_type == cheetah_plus || tlb_type == hypervisor)
78 base = __pa(base); 79 base = __pa(base);
79 __flush_tsb_one(mp, PAGE_SHIFT, base, nentries); 80 __flush_tsb_one(tb, PAGE_SHIFT, base, nentries);
80 81
81#ifdef CONFIG_HUGETLB_PAGE 82#ifdef CONFIG_HUGETLB_PAGE
82 if (mm->context.tsb_block[MM_TSB_HUGE].tsb) { 83 if (mm->context.tsb_block[MM_TSB_HUGE].tsb) {
@@ -84,7 +85,7 @@ void flush_tsb_user(struct mmu_gather *mp)
84 nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries; 85 nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries;
85 if (tlb_type == cheetah_plus || tlb_type == hypervisor) 86 if (tlb_type == cheetah_plus || tlb_type == hypervisor)
86 base = __pa(base); 87 base = __pa(base);
87 __flush_tsb_one(mp, HPAGE_SHIFT, base, nentries); 88 __flush_tsb_one(tb, HPAGE_SHIFT, base, nentries);
88 } 89 }
89#endif 90#endif
90 spin_unlock_irqrestore(&mm->context.lock, flags); 91 spin_unlock_irqrestore(&mm->context.lock, flags);
@@ -179,7 +180,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign
179 printk(KERN_ERR "TSB[%s:%d]: Impossible TSB size %lu, killing process.\n", 180 printk(KERN_ERR "TSB[%s:%d]: Impossible TSB size %lu, killing process.\n",
180 current->comm, current->pid, tsb_bytes); 181 current->comm, current->pid, tsb_bytes);
181 do_exit(SIGSEGV); 182 do_exit(SIGSEGV);
182 }; 183 }
183 tte |= pte_sz_bits(page_sz); 184 tte |= pte_sz_bits(page_sz);
184 185
185 if (tlb_type == cheetah_plus || tlb_type == hypervisor) { 186 if (tlb_type == cheetah_plus || tlb_type == hypervisor) {
@@ -214,7 +215,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign
214#endif 215#endif
215 default: 216 default:
216 BUG(); 217 BUG();
217 }; 218 }
218 hp->assoc = 1; 219 hp->assoc = 1;
219 hp->num_ttes = tsb_bytes / 16; 220 hp->num_ttes = tsb_bytes / 16;
220 hp->ctx_idx = 0; 221 hp->ctx_idx = 0;
@@ -229,7 +230,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign
229#endif 230#endif
230 default: 231 default:
231 BUG(); 232 BUG();
232 }; 233 }
233 hp->tsb_base = tsb_paddr; 234 hp->tsb_base = tsb_paddr;
234 hp->resv = 0; 235 hp->resv = 0;
235 } 236 }