This is a note to let you know that I've just added the patch titled
gcov: support GCC 7.1
to the 4.4-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:
gcov-support-gcc-7.1.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 05384213436ab690c46d9dfec706b80ef8d671ab Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@xxxxxxx>
Date: Fri, 12 May 2017 15:46:35 -0700
Subject: gcov: support GCC 7.1
From: Martin Liska <mliska@xxxxxxx>
commit 05384213436ab690c46d9dfec706b80ef8d671ab upstream.
Starting from GCC 7.1, __gcov_exit is a new symbol expected to be
implemented in a profiling runtime.
[akpm@xxxxxxxxxxxxxxxxxxxx: coding-style fixes]
[mliska@xxxxxxx: v2]
Link: http://lkml.kernel.org/r/e63a3c59-0149-c97e-4084-20ca8f146b26@xxxxxxx
Link: http://lkml.kernel.org/r/8c4084fa-3885-29fe-5fc4-0d4ca199c785@xxxxxxx
Signed-off-by: Martin Liska <mliska@xxxxxxx>
Acked-by: Peter Oberparleiter <oberpar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
kernel/gcov/base.c | 6 ++++++
kernel/gcov/gcc_4_7.c | 4 +++-
2 files changed, 9 insertions(+), 1 deletion(-)
--- a/kernel/gcov/base.c
+++ b/kernel/gcov/base.c
@@ -98,6 +98,12 @@ void __gcov_merge_icall_topn(gcov_type *
}
EXPORT_SYMBOL(__gcov_merge_icall_topn);
+void __gcov_exit(void)
+{
+ /* Unused. */
+}
+EXPORT_SYMBOL(__gcov_exit);
+
/**
* gcov_enable_events - enable event reporting through gcov_event()
*
--- a/kernel/gcov/gcc_4_7.c
+++ b/kernel/gcov/gcc_4_7.c
@@ -18,7 +18,9 @@
#include <linux/vmalloc.h>
#include "gcov.h"
-#if (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)
+#if (__GNUC__ >= 7)
+#define GCOV_COUNTERS 9
+#elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)
#define GCOV_COUNTERS 10
#elif __GNUC__ == 4 && __GNUC_MINOR__ >= 9
#define GCOV_COUNTERS 9
Patches currently in stable-queue which might be from mliska@xxxxxxx are
queue-4.4/gcov-support-gcc-7.1.patch