---

yaml --- r: 11361 b: refs/heads/master c: 663b97f h: refs/heads/master i: 11359: 894d85e v: v3
git-mirror · Oct 30, 2005 · f5694e3 · f5694e3
1 parent 458e8f3
commit f5694e3
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Showing 4 changed files with 5 additions and 11 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 705e87c0c3c38424f7f30556c85bc20e808d2f59
+refs/heads/master: 663b97f7efd001b0c56bd5fce059c5272725b86f
diff --git a/trunk/Documentation/cachetlb.txt b/trunk/Documentation/cachetlb.txt
@@ -49,9 +49,6 @@ changes occur:
 	page table operations such as what happens during
 	fork, and exec.
 
-	Platform developers note that generic code will always
-	invoke this interface without mm->page_table_lock held.
-
 3) void flush_tlb_range(struct vm_area_struct *vma,
 			unsigned long start, unsigned long end)
 
@@ -72,9 +69,6 @@ changes occur:
 	call flush_tlb_page (see below) for each entry which may be
 	modified.
 
-	Platform developers note that generic code will always
-	invoke this interface with mm->page_table_lock held.
-
 4) void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
 
 	This time we need to remove the PAGE_SIZE sized translation
@@ -93,9 +87,6 @@ changes occur:
 
 	This is used primarily during fault processing.
 
-	Platform developers note that generic code will always
-	invoke this interface with mm->page_table_lock held.
-
 5) void flush_tlb_pgtables(struct mm_struct *mm,
 			   unsigned long start, unsigned long end)
 

diff --git a/trunk/arch/ia64/mm/tlb.c b/trunk/arch/ia64/mm/tlb.c
@@ -158,10 +158,12 @@ flush_tlb_range (struct vm_area_struct *vma, unsigned long start, unsigned long
 # ifdef CONFIG_SMP
 	platform_global_tlb_purge(mm, start, end, nbits);
 # else
+	preempt_disable();
 	do {
 		ia64_ptcl(start, (nbits<<2));
 		start += (1UL << nbits);
 	} while (start < end);
+	preempt_enable();
 # endif
 
 	ia64_srlz_i();			/* srlz.i implies srlz.d */

diff --git a/trunk/include/asm-parisc/tlbflush.h b/trunk/include/asm-parisc/tlbflush.h
@@ -88,7 +88,7 @@ static inline void flush_tlb_range(struct vm_area_struct *vma,
 	if (npages >= 512)  /* 2MB of space: arbitrary, should be tuned */
 		flush_tlb_all();
 	else {
-
+		preempt_disable();
 		mtsp(vma->vm_mm->context,1);
 		purge_tlb_start();
 		if (split_tlb) {
@@ -102,6 +102,7 @@ static inline void flush_tlb_range(struct vm_area_struct *vma,
 				pdtlb(start);
 				start += PAGE_SIZE;
 			}
+		preempt_enable();
 		}
 		purge_tlb_end();
 	}