linux-kernel - Re: [PATCH] proc: fix and merge proc-self-map-file tests

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Date:   Fri, 9 Nov 2018 21:04:07 +0300
From:   Cyrill Gorcunov <gorcunov@...il.com>
To:     Rafael David Tinoco <rafael.tinoco@...aro.org>
Cc:     adobriyan@...il.com, akpm@...ux-foundation.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, shuah@...nel.org
Subject: Re: [PATCH] proc: fix and merge proc-self-map-file tests

On Fri, Nov 09, 2018 at 10:01:13AM -0200, Rafael David Tinoco wrote:
> 
> Alright, I'm fixing membarrier_test before, so.. I guess we have a competition.. =o)

Rafael, Alexey, what about simply wrap the test code with x86 and extend later
with all archs which support zero address mapping?
---
 tools/testing/selftests/proc/proc-self-map-files-002.c |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

Index: linux-ml.git/tools/testing/selftests/proc/proc-self-map-files-002.c
===================================================================
--- linux-ml.git.orig/tools/testing/selftests/proc/proc-self-map-files-002.c
+++ linux-ml.git/tools/testing/selftests/proc/proc-self-map-files-002.c
@@ -23,6 +23,11 @@
 #include <sys/mman.h>
 #include <stdlib.h>
 
+/*
+ * Should run on archs which support zero address mapping.
+ */
+#if defined(__i386) || defined(__x86_64)
+
 static void pass(const char *fmt, unsigned long a, unsigned long b)
 {
 	char name[64];
@@ -83,3 +88,12 @@ int main(void)
 
 	return 0;
 }
+
+#else
+
+int main(void)
+{
+	return 0;
+}
+
+#endif