4 files changed, 14 insertions, 50 deletions

diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 565e25a98334..0f61a73534e6 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -442,6 +442,8 @@ good_area:
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		if (fault & VM_FAULT_OOM)
 			goto out_of_memory;
+		else if (fault & VM_FAULT_SIGSEGV)
+			goto bad_area;
 		else if (fault & VM_FAULT_SIGBUS)
 			goto do_sigbus;
 		BUG();
diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c
index cd3387370ebb..40ca30a9fee3 100644
--- a/arch/tile/mm/homecache.c
+++ b/arch/tile/mm/homecache.c
@@ -115,7 +115,6 @@ void flush_remote(unsigned long cache_pfn, unsigned long cache_control,
 	struct cpumask cache_cpumask_copy, tlb_cpumask_copy;
 	struct cpumask *cache_cpumask, *tlb_cpumask;
 	HV_PhysAddr cache_pa;
-	char cache_buf[NR_CPUS*5], tlb_buf[NR_CPUS*5];
 
 	mb();   /* provided just to simplify "magic hypervisor" mode */
 
@@ -149,13 +148,12 @@ void flush_remote(unsigned long cache_pfn, unsigned long cache_control,
 			     asids, asidcount);
 	if (rc == 0)
 		return;
-	cpumask_scnprintf(cache_buf, sizeof(cache_buf), &cache_cpumask_copy);
-	cpumask_scnprintf(tlb_buf, sizeof(tlb_buf), &tlb_cpumask_copy);
 
-	pr_err("hv_flush_remote(%#llx, %#lx, %p [%s], %#lx, %#lx, %#lx, %p [%s], %p, %d) = %d\n",
-	       cache_pa, cache_control, cache_cpumask, cache_buf,
-	       (unsigned long)tlb_va, tlb_length, tlb_pgsize,
-	       tlb_cpumask, tlb_buf, asids, asidcount, rc);
+	pr_err("hv_flush_remote(%#llx, %#lx, %p [%*pb], %#lx, %#lx, %#lx, %p [%*pb], %p, %d) = %d\n",
+	       cache_pa, cache_control, cache_cpumask,
+	       cpumask_pr_args(&cache_cpumask_copy),
+	       (unsigned long)tlb_va, tlb_length, tlb_pgsize, tlb_cpumask,
+	       cpumask_pr_args(&tlb_cpumask_copy), asids, asidcount, rc);
 	panic("Unsafe to continue.");
 }
 
@@ -263,10 +261,6 @@ static int pte_to_home(pte_t pte)
 /* Update the home of a PTE if necessary (can also be used for a pgprot_t). */
 pte_t pte_set_home(pte_t pte, int home)
 {
-	/* Check for non-linear file mapping "PTEs" and pass them through. */
-	if (pte_file(pte))
-		return pte;
-
 #if CHIP_HAS_MMIO()
 	/* Check for MMIO mappings and pass them through. */
 	if (hv_pte_get_mode(pte) == HV_PTE_MODE_MMIO)
diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c
index 3270e0019266..8416240c322c 100644
--- a/arch/tile/mm/hugetlbpage.c
+++ b/arch/tile/mm/hugetlbpage.c
@@ -150,12 +150,6 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
 	return NULL;
 }
 
-struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
-			      int write)
-{
-	return ERR_PTR(-EINVAL);
-}
-
 int pmd_huge(pmd_t pmd)
 {
 	return !!(pmd_val(pmd) & _PAGE_HUGE_PAGE);
@@ -166,28 +160,6 @@ int pud_huge(pud_t pud)
 	return !!(pud_val(pud) & _PAGE_HUGE_PAGE);
 }
 
-struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
-			     pmd_t *pmd, int write)
-{
-	struct page *page;
-
-	page = pte_page(*(pte_t *)pmd);
-	if (page)
-		page += ((address & ~PMD_MASK) >> PAGE_SHIFT);
-	return page;
-}
-
-struct page *follow_huge_pud(struct mm_struct *mm, unsigned long address,
-			     pud_t *pud, int write)
-{
-	struct page *page;
-
-	page = pte_page(*(pte_t *)pud);
-	if (page)
-		page += ((address & ~PUD_MASK) >> PAGE_SHIFT);
-	return page;
-}
-
 int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
 {
 	return 0;
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index be240cc4978d..ace32d7d3864 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -353,15 +353,13 @@ static int __init setup_ktext(char *str)
 
 	/* Neighborhood ktext pages on specified mask */
 	else if (cpulist_parse(str, &ktext_mask) == 0) {
-		char buf[NR_CPUS * 5];
-		cpulist_scnprintf(buf, sizeof(buf), &ktext_mask);
 		if (cpumask_weight(&ktext_mask) > 1) {
 			ktext_small = 1;
-			pr_info("ktext: using caching neighborhood %s with small pages\n",
-				buf);
+			pr_info("ktext: using caching neighborhood %*pbl with small pages\n",
+				cpumask_pr_args(&ktext_mask));
 		} else {
-			pr_info("ktext: caching on cpu %s with one huge page\n",
-				buf);
+			pr_info("ktext: caching on cpu %*pbl with one huge page\n",
+				cpumask_pr_args(&ktext_mask));
 		}
 	}
 
@@ -492,11 +490,9 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
 		struct cpumask bad;
 		cpumask_andnot(&bad, &ktext_mask, cpu_possible_mask);
 		cpumask_and(&ktext_mask, &ktext_mask, cpu_possible_mask);
-		if (!cpumask_empty(&bad)) {
-			char buf[NR_CPUS * 5];
-			cpulist_scnprintf(buf, sizeof(buf), &bad);
-			pr_info("ktext: not using unavailable cpus %s\n", buf);
-		}
+		if (!cpumask_empty(&bad))
+			pr_info("ktext: not using unavailable cpus %*pbl\n",
+				cpumask_pr_args(&bad));
 		if (cpumask_empty(&ktext_mask)) {
 			pr_warn("ktext: no valid cpus; caching on %d\n",
 				smp_processor_id());