linux-kernel - [tip:perf/core] perf/x86: Use update attribute groups for extra format

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: <tip-3ea40ac77261530b2c96734b99c0c9f1dc1d729d@git.kernel.org>
Date:   Mon, 3 Jun 2019 06:29:43 -0700
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, gregkh@...uxfoundation.org, jolsa@...nel.org,
        hpa@...or.com, torvalds@...ux-foundation.org, peterz@...radead.org,
        acme@...nel.org, linux-kernel@...r.kernel.org, namhyung@...nel.org,
        mingo@...nel.org, alexander.shishkin@...ux.intel.com
Subject: [tip:perf/core] perf/x86: Use update attribute groups for extra
 format

Commit-ID:  3ea40ac77261530b2c96734b99c0c9f1dc1d729d
Gitweb:     https://git.kernel.org/tip/3ea40ac77261530b2c96734b99c0c9f1dc1d729d
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Sun, 12 May 2019 17:55:16 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 3 Jun 2019 11:58:25 +0200

perf/x86: Use update attribute groups for extra format

Using the new pmu::update_attrs attribute group for
extra "format" directory.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: https://lkml.kernel.org/r/20190512155518.21468-8-jolsa@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/events/intel/core.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index d4002e71a0b8..de4779f44737 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -4417,6 +4417,12 @@ lbr_is_visible(struct kobject *kobj, struct attribute *attr, int i)
 	return x86_pmu.lbr_nr ? attr->mode : 0;
 }
 
+static umode_t
+exra_is_visible(struct kobject *kobj, struct attribute *attr, int i)
+{
+	return x86_pmu.version >= 2 ? attr->mode : 0;
+}
+
 static struct attribute_group group_events_td  = {
 	.name = "events",
 };
@@ -4442,12 +4448,18 @@ static struct attribute_group group_caps_lbr = {
 	.is_visible = lbr_is_visible,
 };
 
+static struct attribute_group group_format_extra = {
+	.name       = "format",
+	.is_visible = exra_is_visible,
+};
+
 static const struct attribute_group *attr_update[] = {
 	&group_events_td,
 	&group_events_mem,
 	&group_events_tsx,
 	&group_caps_gen,
 	&group_caps_lbr,
+	&group_format_extra,
 	NULL,
 };
 
@@ -5016,15 +5028,11 @@ __init int intel_pmu_init(void)
 
 	snprintf(pmu_name_str, sizeof(pmu_name_str), "%s", name);
 
-	if (version >= 2 && extra_attr) {
-		x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr,
-						  extra_attr);
-		WARN_ON(!x86_pmu.format_attrs);
-	}
 
 	group_events_td.attrs  = td_attr;
 	group_events_mem.attrs = mem_attr;
 	group_events_tsx.attrs = tsx_attr;
+	group_format_extra.attrs = extra_attr;
 
 	x86_pmu.attr_update = attr_update;