From a75a2df68f87c4924c614204a85b29d82d5c7dc4 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 7 Jun 2020 21:42:49 -0700 Subject: nommu: use flush_icache_user_range in brk and mmap These obviously operate on user addresses. Signed-off-by: Christoph Hellwig Signed-off-by: Andrew Morton Cc: Greg Ungerer Cc: Geert Uytterhoeven Link: http://lkml.kernel.org/r/20200515143646.3857579-29-hch@lst.de Signed-off-by: Linus Torvalds --- mm/nommu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'mm') diff --git a/mm/nommu.c b/mm/nommu.c index dfae55f41901..062dc1c90d21 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -433,7 +433,7 @@ 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; } @@ -1277,7 +1277,7 @@ share: /* 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; } -- cgit v1.2.3