Patch "perf trace: Check if MAP_32BIT is defined (again)" has been added to the 4.9-stable tree

Patch "perf trace: Check if MAP_32BIT is defined (again)" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    perf trace: Check if MAP_32BIT is defined (again)

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     perf-trace-check-if-map_32bit-is-defined-again.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 2bd42f3aaa53ebe78b9be6f898b7945dd61f9773 Mon Sep 17 00:00:00 2001
From: Jiri Olsa <jolsa@kernel.org>
Date: Thu, 15 Dec 2016 20:56:54 +0100
Subject: perf trace: Check if MAP_32BIT is defined (again)

From: Jiri Olsa <jolsa@kernel.org>

commit 2bd42f3aaa53ebe78b9be6f898b7945dd61f9773 upstream.

There might be systems where MAP_32BIT is not defined, like some some
RHEL7 powerpc versions.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Kyle McMartin <kyle@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Fixes: 256763b01741 ("perf trace beauty mmap: Add more conditional defines")
Link: http://lkml.kernel.org/r/1481831814-23683-1-git-send-email-jolsa@kernel.org
[ Changed the Fixme cset to the one removing the conditional switch case for MAP_32BIT ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 tools/perf/trace/beauty/mmap.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/tools/perf/trace/beauty/mmap.c
+++ b/tools/perf/trace/beauty/mmap.c
@@ -42,7 +42,9 @@ static size_t syscall_arg__scnprintf_mma
 
 	P_MMAP_FLAG(SHARED);
 	P_MMAP_FLAG(PRIVATE);
+#ifdef MAP_32BIT
 	P_MMAP_FLAG(32BIT);
+#endif
 	P_MMAP_FLAG(ANONYMOUS);
 	P_MMAP_FLAG(DENYWRITE);
 	P_MMAP_FLAG(EXECUTABLE);


Patches currently in stable-queue which might be from jolsa@kernel.org are

queue-4.9/perf-trace-use-the-syscall-raw_syscalls-sys_enter-timestamp.patch
queue-4.9/perf-trace-check-if-map_32bit-is-defined-again.patch
queue-4.9/perf-scripting-avoid-leaking-the-scripting_context-variable.patch
queue-4.9/perf-mem-fix-all-user-all-kernel-options.patch