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Diffstat (limited to 'arch/arm/kernel/traps.c')
-rw-r--r--arch/arm/kernel/traps.c31
1 files changed, 2 insertions, 29 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 0c8b10801d36..9f5d81881eb6 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -533,8 +533,6 @@ static int bad_syscall(int n, struct pt_regs *regs)
533 return regs->ARM_r0; 533 return regs->ARM_r0;
534} 534}
535 535
536static long do_cache_op_restart(struct restart_block *);
537
538static inline int 536static inline int
539__do_cache_op(unsigned long start, unsigned long end) 537__do_cache_op(unsigned long start, unsigned long end)
540{ 538{
@@ -543,24 +541,8 @@ __do_cache_op(unsigned long start, unsigned long end)
543 do { 541 do {
544 unsigned long chunk = min(PAGE_SIZE, end - start); 542 unsigned long chunk = min(PAGE_SIZE, end - start);
545 543
546 if (signal_pending(current)) { 544 if (fatal_signal_pending(current))
547 struct thread_info *ti = current_thread_info(); 545 return 0;
548
549 ti->restart_block = (struct restart_block) {
550 .fn = do_cache_op_restart,
551 };
552
553 ti->arm_restart_block = (struct arm_restart_block) {
554 {
555 .cache = {
556 .start = start,
557 .end = end,
558 },
559 },
560 };
561
562 return -ERESTART_RESTARTBLOCK;
563 }
564 546
565 ret = flush_cache_user_range(start, start + chunk); 547 ret = flush_cache_user_range(start, start + chunk);
566 if (ret) 548 if (ret)
@@ -573,15 +555,6 @@ __do_cache_op(unsigned long start, unsigned long end)
573 return 0; 555 return 0;
574} 556}
575 557
576static long do_cache_op_restart(struct restart_block *unused)
577{
578 struct arm_restart_block *restart_block;
579
580 restart_block = &current_thread_info()->arm_restart_block;
581 return __do_cache_op(restart_block->cache.start,
582 restart_block->cache.end);
583}
584
585static inline int 558static inline int
586do_cache_op(unsigned long start, unsigned long end, int flags) 559do_cache_op(unsigned long start, unsigned long end, int flags)
587{ 560{