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-rw-r--r--arch/parisc/kernel/cache.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 837530ea32e7..b6ed34de14e1 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -1,5 +1,4 @@
1/* $Id: cache.c,v 1.4 2000/01/25 00:11:38 prumpf Exp $ 1/*
2 *
3 * This file is subject to the terms and conditions of the GNU General Public 2 * This file is subject to the terms and conditions of the GNU General Public
4 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
5 * for more details. 4 * for more details.
@@ -398,12 +397,13 @@ EXPORT_SYMBOL(flush_kernel_icache_range_asm);
398 397
399void clear_user_page_asm(void *page, unsigned long vaddr) 398void clear_user_page_asm(void *page, unsigned long vaddr)
400{ 399{
400 unsigned long flags;
401 /* This function is implemented in assembly in pacache.S */ 401 /* This function is implemented in assembly in pacache.S */
402 extern void __clear_user_page_asm(void *page, unsigned long vaddr); 402 extern void __clear_user_page_asm(void *page, unsigned long vaddr);
403 403
404 purge_tlb_start(); 404 purge_tlb_start(flags);
405 __clear_user_page_asm(page, vaddr); 405 __clear_user_page_asm(page, vaddr);
406 purge_tlb_end(); 406 purge_tlb_end(flags);
407} 407}
408 408
409#define FLUSH_THRESHOLD 0x80000 /* 0.5MB */ 409#define FLUSH_THRESHOLD 0x80000 /* 0.5MB */
@@ -444,20 +444,24 @@ extern void clear_user_page_asm(void *page, unsigned long vaddr);
444 444
445void clear_user_page(void *page, unsigned long vaddr, struct page *pg) 445void clear_user_page(void *page, unsigned long vaddr, struct page *pg)
446{ 446{
447 unsigned long flags;
448
447 purge_kernel_dcache_page((unsigned long)page); 449 purge_kernel_dcache_page((unsigned long)page);
448 purge_tlb_start(); 450 purge_tlb_start(flags);
449 pdtlb_kernel(page); 451 pdtlb_kernel(page);
450 purge_tlb_end(); 452 purge_tlb_end(flags);
451 clear_user_page_asm(page, vaddr); 453 clear_user_page_asm(page, vaddr);
452} 454}
453EXPORT_SYMBOL(clear_user_page); 455EXPORT_SYMBOL(clear_user_page);
454 456
455void flush_kernel_dcache_page_addr(void *addr) 457void flush_kernel_dcache_page_addr(void *addr)
456{ 458{
459 unsigned long flags;
460
457 flush_kernel_dcache_page_asm(addr); 461 flush_kernel_dcache_page_asm(addr);
458 purge_tlb_start(); 462 purge_tlb_start(flags);
459 pdtlb_kernel(addr); 463 pdtlb_kernel(addr);
460 purge_tlb_end(); 464 purge_tlb_end(flags);
461} 465}
462EXPORT_SYMBOL(flush_kernel_dcache_page_addr); 466EXPORT_SYMBOL(flush_kernel_dcache_page_addr);
463 467
@@ -490,8 +494,10 @@ void __flush_tlb_range(unsigned long sid, unsigned long start,
490 if (npages >= 512) /* 2MB of space: arbitrary, should be tuned */ 494 if (npages >= 512) /* 2MB of space: arbitrary, should be tuned */
491 flush_tlb_all(); 495 flush_tlb_all();
492 else { 496 else {
497 unsigned long flags;
498
493 mtsp(sid, 1); 499 mtsp(sid, 1);
494 purge_tlb_start(); 500 purge_tlb_start(flags);
495 if (split_tlb) { 501 if (split_tlb) {
496 while (npages--) { 502 while (npages--) {
497 pdtlb(start); 503 pdtlb(start);
@@ -504,7 +510,7 @@ void __flush_tlb_range(unsigned long sid, unsigned long start,
504 start += PAGE_SIZE; 510 start += PAGE_SIZE;
505 } 511 }
506 } 512 }
507 purge_tlb_end(); 513 purge_tlb_end(flags);
508 } 514 }
509} 515}
510 516