diff mbox series

[28/29] nommu: use flush_icache_user_range in brk and mmap

Message ID 20200515143646.3857579-29-hch@lst.de
State New, archived
Headers show
Series [01/29] arm: fix the flush_icache_range arguments in set_fiq_handler | expand

Commit Message

Christoph Hellwig May 15, 2020, 2:36 p.m. UTC
These obviously operate on user addresses.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 mm/nommu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/mm/nommu.c b/mm/nommu.c
index 318df4e236c99..aed7acaed2383 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -443,7 +443,7 @@  SYSCALL_DEFINE1(brk, unsigned long, brk)
 	/*
 	 * Ok, looks good - let it rip.
 	 */
-	flush_icache_range(mm->brk, brk);
+	flush_icache_user_range(mm->brk, brk);
 	return mm->brk = brk;
 }
 
@@ -1287,7 +1287,7 @@  unsigned long do_mmap(struct file *file,
 	/* we flush the region from the icache only when the first executable
 	 * mapping of it is made  */
 	if (vma->vm_flags & VM_EXEC && !region->vm_icache_flushed) {
-		flush_icache_range(region->vm_start, region->vm_end);
+		flush_icache_user_range(region->vm_start, region->vm_end);
 		region->vm_icache_flushed = true;
 	}