From nobody Tue Feb 10 14:25:58 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8F111EB5F8; Mon, 9 Feb 2026 07:25:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770621934; cv=none; b=ZcfkUJN/IUxXWzEGoIoTZNxElHRh7AerXZEkW1n73Yzh6sw7bENAbEH+n2OWe4/+O/aG/EtpG18trP4Gi1euXfUpkwHF9mWXjTtEl+qHFuwMpESoswO7+DsaWdQf12OyK+5riwmpyoOTJB+MWr8/w1icnvzo5esMdJ7pessVcR8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770621934; c=relaxed/simple; bh=NdJxAgkkZUlMDn4CCFlG9khMShPl95l1ZRV/iTrz0MI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=A4dLfQetKfaT8Iuq1BhGLPVISszVaPQcvbKUWtT96LaG1kcJzW/V0zyjQer7WSbkW3q57NoAYPfaDkq0/FGZ5n04mgKYbW8kUQRBn9RqsURUrLWL3g22zAy5zTxRNdmwqXQUgGweF98RknNVY5zPPHKjDkGgJznINPSzkRgldvU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=nHsLNq4K; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="nHsLNq4K" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770621935; x=1802157935; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NdJxAgkkZUlMDn4CCFlG9khMShPl95l1ZRV/iTrz0MI=; b=nHsLNq4KphS/MelKkQRFRwrg5x14daXBeGXLyxwGallNQazbgeddQAWF lyCPJF7jgx9UzHgVExha5qhKRwenRBtWIZWXAwS3EtvQRaNkcvNCyROND e4UdAr1PuQvnbn9LUlAXKvWvB+DZ7Cz3A+bbTt2ca30raIJxSKNEJzlyC hnfNgSNTeoQmLjc+3l/w3/aASSoC6XL8k64fCBe4fecn6gOhE3Vd88zai 5OsKDYmSS4PZLA4OET5C73h5ubO0DvRvIsuVDlPsPqvnILy9AWXBoJzqg OQXd6LI55kBO42fq+hM8r07qv/AzO1Yq3jmV/grcgT6wp4m4ul1nS7G8N w==; X-CSE-ConnectionGUID: JlD2gR2wQ6unLEVhSPt6og== X-CSE-MsgGUID: i/Sm5pY+SWe8LK24sj/Obw== X-IronPort-AV: E=McAfee;i="6800,10657,11695"; a="83098354" X-IronPort-AV: E=Sophos;i="6.21,281,1763452800"; d="scan'208";a="83098354" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2026 23:25:35 -0800 X-CSE-ConnectionGUID: p6wmg1LsT5uV6vH3FhHc+w== X-CSE-MsgGUID: vNPd+U5BQOupRK0yoMrQXA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,281,1763452800"; d="scan'208";a="241694648" Received: from spr.sh.intel.com ([10.112.229.196]) by fmviesa001.fm.intel.com with ESMTP; 08 Feb 2026 23:25:30 -0800 From: Dapeng Mi To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Thomas Gleixner , Dave Hansen , Ian Rogers , Adrian Hunter , Jiri Olsa , Alexander Shishkin , Andi Kleen , Eranian Stephane Cc: Mark Rutland , broonie@kernel.org, Ravi Bangoria , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Zide Chen , Falcon Thomas , Dapeng Mi , Xudong Hao , Kan Liang , Dapeng Mi Subject: [Patch v6 09/22] perf: Move and rename has_extended_regs() for ARCH-specific use Date: Mon, 9 Feb 2026 15:20:34 +0800 Message-Id: <20260209072047.2180332-10-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260209072047.2180332-1-dapeng1.mi@linux.intel.com> References: <20260209072047.2180332-1-dapeng1.mi@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Kan Liang The has_extended_regs() function will be utilized in ARCH-specific code. To facilitate this, move it to header file perf_event.h Additionally, the function is renamed to event_has_extended_regs() which aligns with the existing naming conventions. No functional change intended. Signed-off-by: Kan Liang Signed-off-by: Dapeng Mi --- include/linux/perf_event.h | 8 ++++++++ kernel/events/core.c | 8 +------- 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 82e617fad165..b8a0f77412b3 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1534,6 +1534,14 @@ perf_event__output_id_sample(struct perf_event *even= t, extern void perf_log_lost_samples(struct perf_event *event, u64 lost); =20 +static inline bool event_has_extended_regs(struct perf_event *event) +{ + struct perf_event_attr *attr =3D &event->attr; + + return (attr->sample_regs_user & PERF_REG_EXTENDED_MASK) || + (attr->sample_regs_intr & PERF_REG_EXTENDED_MASK); +} + static inline bool event_has_any_exclude_flag(struct perf_event *event) { struct perf_event_attr *attr =3D &event->attr; diff --git a/kernel/events/core.c b/kernel/events/core.c index 8410b1a7ef3b..d487c55a4f3e 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -12964,12 +12964,6 @@ int perf_pmu_unregister(struct pmu *pmu) } EXPORT_SYMBOL_GPL(perf_pmu_unregister); =20 -static inline bool has_extended_regs(struct perf_event *event) -{ - return (event->attr.sample_regs_user & PERF_REG_EXTENDED_MASK) || - (event->attr.sample_regs_intr & PERF_REG_EXTENDED_MASK); -} - static int perf_try_init_event(struct pmu *pmu, struct perf_event *event) { struct perf_event_context *ctx =3D NULL; @@ -13004,7 +12998,7 @@ static int perf_try_init_event(struct pmu *pmu, str= uct perf_event *event) goto err_pmu; =20 if (!(pmu->capabilities & PERF_PMU_CAP_EXTENDED_REGS) && - has_extended_regs(event)) { + event_has_extended_regs(event)) { ret =3D -EOPNOTSUPP; goto err_destroy; } --=20 2.34.1