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Subject[PATCH 1/2] x86: use stdout if insn decoder test is successful
If the instruction decoder test ran successful it prints a message like
this to stderr:
Succeed: decoded and checked 1767380 instructions

But, as described in "console mode programming user interface guidelines
version 101" which doesn't exist, programs should use stderr for errors
or warnings. We're told about a successful run here, so the instruction
decoder test should use stdout.

Let's fix the typo too, while we're at it.

Signed-off-by: Paul Bolle <>
The joke about the guidelines is shamelessly copied from commit 55a6e622e66a
("arch/x86/tools/insn_sanity.c: Identify source of messages"). Let's hope
Andrew doesn't mind!

arch/x86/tools/test_get_len.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/tools/test_get_len.c b/arch/x86/tools/test_get_len.c
index 56f04db0c9c0..ecf31e0358c8 100644
--- a/arch/x86/tools/test_get_len.c
+++ b/arch/x86/tools/test_get_len.c
@@ -167,7 +167,7 @@ int main(int argc, char **argv)
fprintf(stderr, "Warning: decoded and checked %d"
" instructions with %d warnings\n", insns, warnings);
- fprintf(stderr, "Succeed: decoded and checked %d"
+ fprintf(stdout, "Success: decoded and checked %d"
" instructions\n", insns);
return 0;
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