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Subject[tip:x86/asm] x86/decoder: Use stderr if insn sanity test fails
Commit-ID:  bb12d6740f6de393927362f23f833a79d85df384
Gitweb: http://git.kernel.org/tip/bb12d6740f6de393927362f23f833a79d85df384
Author: Paul Bolle <pebolle@tiscali.nl>
AuthorDate: Tue, 25 Oct 2016 22:56:05 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 26 Oct 2016 08:41:06 +0200

x86/decoder: Use stderr if insn sanity test fails

If the instruction sanity test fails, it prints a "Failure" message to
stdout. Make this program behave like the rest of the build and print
that message to stderr.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1477428965-20548-3-git-send-email-pebolle@tiscali.nl
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/tools/insn_sanity.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/tools/insn_sanity.c b/arch/x86/tools/insn_sanity.c
index ba70ff2..1972565 100644
--- a/arch/x86/tools/insn_sanity.c
+++ b/arch/x86/tools/insn_sanity.c
@@ -269,7 +269,8 @@ int main(int argc, char **argv)
insns++;
}

- fprintf(stdout, "%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n",
+ fprintf((errors) ? stderr : stdout,
+ "%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n",
prog,
(errors) ? "Failure" : "Success",
insns,
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