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| author | Christoph Hellwig <hch@lst.de> | 2020-06-07 21:42:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-08 11:05:58 -0700 |
| commit | a75a2df68f87c4924c614204a85b29d82d5c7dc4 (patch) | |
| tree | 67c6742af65ab6a401a466446341317e96b8cb19 | |
| parent | 79ef1e1fffebcfcb2c93463ca8d0f4a03eceb8f1 (diff) | |
| download | linux-stable-a75a2df68f87c4924c614204a85b29d82d5c7dc4.tar.gz linux-stable-a75a2df68f87c4924c614204a85b29d82d5c7dc4.tar.bz2 linux-stable-a75a2df68f87c4924c614204a85b29d82d5c7dc4.zip | |
nommu: use flush_icache_user_range in brk and mmap
These obviously operate on user addresses.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: http://lkml.kernel.org/r/20200515143646.3857579-29-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/nommu.c | 4 |
1 files changed, 2 insertions, 2 deletions
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; } |