linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "tip-bot2 for Jiri Olsa" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
	Jiri Olsa <jolsa@kernel.org>, Kim Phillips <kim.phillips@amd.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Michael Petlan <mpetlan@redhat.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>, x86 <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [tip: perf/urgent] perf maps: Fix map__clone() for struct kmap
Date: Sat, 15 Feb 2020 08:41:52 -0000	[thread overview]
Message-ID: <158175611237.13786.17686234515843613570.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20200210143218.24948-4-jolsa@kernel.org>

The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     7ce66139a99ce57caaf47b64afed5cb6ed02c5ed
Gitweb:        https://git.kernel.org/tip/7ce66139a99ce57caaf47b64afed5cb6ed02c5ed
Author:        Jiri Olsa <jolsa@kernel.org>
AuthorDate:    Mon, 10 Feb 2020 15:32:17 +01:00
Committer:     Arnaldo Carvalho de Melo <acme@redhat.com>
CommitterDate: Tue, 11 Feb 2020 16:41:49 -03:00

perf maps: Fix map__clone() for struct kmap

The map__clone() function can be called on kernel maps as well, so it
needs to duplicate the whole kmap data.

Reported-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200210143218.24948-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/map.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index f67960b..cea05fc 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -375,8 +375,13 @@ struct symbol *map__find_symbol_by_name(struct map *map, const char *name)
 
 struct map *map__clone(struct map *from)
 {
-	struct map *map = memdup(from, sizeof(*map));
+	size_t size = sizeof(struct map);
+	struct map *map;
+
+	if (from->dso && from->dso->kernel)
+		size += sizeof(struct kmap);
 
+	map = memdup(from, size);
 	if (map != NULL) {
 		refcount_set(&map->refcnt, 1);
 		RB_CLEAR_NODE(&map->rb_node);

  reply	other threads:[~2020-02-15  8:42 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-10 14:32 [PATCH 0/4] perf tools: Fix kmap handling Jiri Olsa
2020-02-10 14:32 ` [PATCH 1/4] perf tools: Mark modules dsos with kernel type Jiri Olsa
2020-02-15  8:41   ` [tip: perf/urgent] perf maps: Mark module DSOs " tip-bot2 for Jiri Olsa
2020-02-10 14:32 ` [PATCH 2/4] perf tools: Mark ksymbol dsos " Jiri Olsa
2020-02-10 15:17   ` Arnaldo Carvalho de Melo
2020-02-10 15:25     ` Jiri Olsa
2020-02-10 19:58       ` Arnaldo Carvalho de Melo
2020-02-10 20:34         ` Jiri Olsa
2020-02-10 20:08       ` [PATCHv2 " Jiri Olsa
2020-02-11 13:47         ` Arnaldo Carvalho de Melo
2020-02-15  8:41         ` [tip: perf/urgent] perf maps: Mark ksymbol DSOs " tip-bot2 for Jiri Olsa
2020-02-10 14:32 ` [PATCH 3/4] perf tools: Fix map__clone for struct kmap Jiri Olsa
2020-02-15  8:41   ` tip-bot2 for Jiri Olsa [this message]
2020-02-10 14:32 ` [PATCH 4/4] perf tools: Move kmap::kmaps setup to maps__insert Jiri Olsa
2020-02-15  8:41   ` [tip: perf/urgent] perf maps: Move kmap::kmaps setup to maps__insert() tip-bot2 for Jiri Olsa
2020-02-10 16:47 ` [PATCH 0/4] perf tools: Fix kmap handling Kim Phillips
2020-02-10 20:35   ` Jiri Olsa

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=158175611237.13786.17686234515843613570.tip-bot2@tip-bot2 \
    --to=tip-bot2@linutronix.de \
    --cc=acme@redhat.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=jolsa@kernel.org \
    --cc=kim.phillips@amd.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=mpetlan@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=ravi.bangoria@linux.ibm.com \
    --cc=x86@kernel.org \
    --subject='Re: [tip: perf/urgent] perf maps: Fix map__clone() for struct kmap' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).