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: Move kmap::kmaps setup to maps__insert()
Date: Sat, 15 Feb 2020 08:41:51 -0000	[thread overview]
Message-ID: <158175611190.13786.10981561917449396493.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20200210143218.24948-5-jolsa@kernel.org>

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

Commit-ID:     484214f49bd0948d716832a94e4737ca4dd02c16
Gitweb:        https://git.kernel.org/tip/484214f49bd0948d716832a94e4737ca4dd02c16
Author:        Jiri Olsa <jolsa@kernel.org>
AuthorDate:    Mon, 10 Feb 2020 15:32:18 +01:00
Committer:     Arnaldo Carvalho de Melo <acme@redhat.com>
CommitterDate: Tue, 11 Feb 2020 16:41:49 -03:00

perf maps: Move kmap::kmaps setup to maps__insert()

So the kmaps pointer setup is centralized and we do not need to update
it in all those places (2 current places and few more missing) after
calling maps__insert().

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/20200210143218.24948-5-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/machine.c | 13 +------------
 tools/perf/util/map.c     | 10 ++++++++++
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 0ad0265..fb5c2cd 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -981,7 +981,6 @@ int machine__create_extra_kernel_map(struct machine *machine,
 
 	kmap = map__kmap(map);
 
-	kmap->kmaps = &machine->kmaps;
 	strlcpy(kmap->name, xm->name, KMAP_NAME_LEN);
 
 	maps__insert(&machine->kmaps, map);
@@ -1091,9 +1090,6 @@ int __weak machine__create_extra_kernel_maps(struct machine *machine __maybe_unu
 static int
 __machine__create_kernel_maps(struct machine *machine, struct dso *kernel)
 {
-	struct kmap *kmap;
-	struct map *map;
-
 	/* In case of renewal the kernel map, destroy previous one */
 	machine__destroy_kernel_maps(machine);
 
@@ -1102,14 +1098,7 @@ __machine__create_kernel_maps(struct machine *machine, struct dso *kernel)
 		return -1;
 
 	machine->vmlinux_map->map_ip = machine->vmlinux_map->unmap_ip = identity__map_ip;
-	map = machine__kernel_map(machine);
-	kmap = map__kmap(map);
-	if (!kmap)
-		return -1;
-
-	kmap->kmaps = &machine->kmaps;
-	maps__insert(&machine->kmaps, map);
-
+	maps__insert(&machine->kmaps, machine->vmlinux_map);
 	return 0;
 }
 
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index cea05fc..a08ca27 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -543,6 +543,16 @@ void maps__insert(struct maps *maps, struct map *map)
 	__maps__insert(maps, map);
 	++maps->nr_maps;
 
+	if (map->dso && map->dso->kernel) {
+		struct kmap *kmap = map__kmap(map);
+
+		if (kmap)
+			kmap->kmaps = maps;
+		else
+			pr_err("Internal error: kernel dso with non kernel map\n");
+	}
+
+
 	/*
 	 * If we already performed some search by name, then we need to add the just
 	 * inserted map and resort.

  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: perf/urgent] perf maps: Fix map__clone() " tip-bot2 for Jiri Olsa
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-bot2 for Jiri Olsa [this message]
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=158175611190.13786.10981561917449396493.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: Move kmap::kmaps setup to maps__insert()' \
    /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).