From nobody Fri Jan 2 20:36:24 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EA88E95A8E for ; Mon, 9 Oct 2023 05:18:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345101AbjJIFSK (ORCPT ); Mon, 9 Oct 2023 01:18:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345099AbjJIFSI (ORCPT ); Mon, 9 Oct 2023 01:18:08 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 50695FA for ; Sun, 8 Oct 2023 22:18:02 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 41FB21FB; Sun, 8 Oct 2023 22:18:42 -0700 (PDT) Received: from a077893.blr.arm.com (a077893.blr.arm.com [10.162.41.8]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id E2F523F7A6; Sun, 8 Oct 2023 22:17:59 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , Will Deacon , Mark Rutland , linux-kernel@vger.kernel.org Subject: [PATCH] driver: perf: arm_pmuv3: Identify 'event->attr.config1' based attributes Date: Mon, 9 Oct 2023 10:47:53 +0530 Message-Id: <20231009051753.179355-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This defines macros to identify long and rdpmc attributes which get carried inside 'event->attr.config1', thus making the code explicit and clear. Cc: Will Deacon Cc: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- This applies on v6.6-rc5. drivers/perf/arm_pmuv3.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/perf/arm_pmuv3.c b/drivers/perf/arm_pmuv3.c index 94723d00548e..797ffd5a8fed 100644 --- a/drivers/perf/arm_pmuv3.c +++ b/drivers/perf/arm_pmuv3.c @@ -298,16 +298,19 @@ PMU_FORMAT_ATTR(event, "config:0-15"); PMU_FORMAT_ATTR(long, "config1:0"); PMU_FORMAT_ATTR(rdpmc, "config1:1"); =20 +#define ARM_PMUV3_ATTR_LONG 0x01 +#define ARM_PMUV3_ATTR_RDPMC 0x02 + static int sysctl_perf_user_access __read_mostly; =20 static inline bool armv8pmu_event_is_64bit(struct perf_event *event) { - return event->attr.config1 & 0x1; + return event->attr.config1 & ARM_PMUV3_ATTR_LONG; } =20 static inline bool armv8pmu_event_want_user_access(struct perf_event *even= t) { - return event->attr.config1 & 0x2; + return event->attr.config1 & ARM_PMUV3_ATTR_RDPMC; } =20 static struct attribute *armv8_pmuv3_format_attrs[] =3D { --=20 2.25.1