linux-kernel - [PATCH 25/29] perf bpf: Convert pid_map() to bpf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190125231843.2895-26-acme@kernel.org>
Date:   Sat, 26 Jan 2019 00:18:39 +0100
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Clark Williams <williams@...hat.com>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jiri Olsa <jolsa@...nel.org>,
        Luis Cláudio Gonçalves 
        <lclaudio@...hat.com>, Martin KaFai Lau <kafai@...com>,
        Namhyung Kim <namhyung@...nel.org>,
        Wang Nan <wangnan0@...wei.com>, Yonghong Song <yhs@...com>
Subject: [PATCH 25/29] perf bpf: Convert pid_map() to bpf_map()

From: Arnaldo Carvalho de Melo <acme@...hat.com>

First user, pid_t as the type, lets see how this goes with the BTF
routines.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@...hat.com>
Cc: Martin KaFai Lau <kafai@...com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Cc: Yonghong Song <yhs@...com>
Link: https://lkml.kernel.org/n/tip-56eplvf86r69wt3p35nh805z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/include/bpf/bpf.h | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h
index 0482028c1d11..5df7ed9d9020 100644
--- a/tools/perf/include/bpf/bpf.h
+++ b/tools/perf/include/bpf/bpf.h
@@ -34,13 +34,7 @@ struct bpf_map SEC("maps") name = {				\
  *	  For the current need, 'perf trace --filter-pids', 64 should
  *	  be good enough, but this surely needs to be revisited.
  */
-#define pid_map(name, value_type)		\
-struct bpf_map SEC("maps") name = {		\
-	.type	     = BPF_MAP_TYPE_HASH,	\
-	.key_size    = sizeof(pid_t),		\
-	.value_size  = sizeof(value_type),	\
-	.max_entries = 64,			\
-}
+#define pid_map(name, value_type) bpf_map(name, HASH, pid_t, value_type, 64)
 
 static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem;
 static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem;
-- 
2.20.1