[patch 51/54] binfmt_flat: use flush_icache_user_range

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From: Christoph Hellwig <hch@xxxxxx>
Subject: binfmt_flat: use flush_icache_user_range

load_flat_file works on user addresses.

Link: http://lkml.kernel.org/r/20200515143646.3857579-28-hch@xxxxxx
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: Greg Ungerer <gerg@xxxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/binfmt_flat.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/binfmt_flat.c~binfmt_flat-use-flush_icache_user_range
+++ a/fs/binfmt_flat.c
@@ -854,7 +854,7 @@ static int load_flat_file(struct linux_b
 #endif /* CONFIG_BINFMT_FLAT_OLD */
 	}
 
-	flush_icache_range(start_code, end_code);
+	flush_icache_user_range(start_code, end_code);
 
 	/* zero the BSS,  BRK and stack areas */
 	if (clear_user((void __user *)(datapos + data_len), bss_len +
_




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