From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 8CC2A4252A0; Tue, 21 Jul 2026 06:32:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784615580; cv=none; b=XwBMmSQPW1vpZQP01gfqPcQHTUoQGyMvI9Q1uDPt+9twsA3b7uV6C+1575dxYKtexKq/FBm9jwryspVB+n9cy/RDX/3F2BPjYgTNTmuxx4UxRzF3U6GrpnDZNeHmy9wZvcK0CT4dhTXip+vBMhl75fuJgmOlLFjfl2frSuh/ofU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784615580; c=relaxed/simple; bh=v3iMP1VKCgvyvF9VbXliT0PXbMARsiTfffnP7hrmTA4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=sAqg+yPu53Xbc9vLkm4vo0mFVcQXJuSeWAUdZ9wbLs3MO1x21KlB6EBFb16d7Apz3XmfNm/ViVliXWAWmN6WS5kXwP4orIzAUMtTCjudSFMEUjzNba7jrzc01bFwCNfrY5D7rWX3dMnxNpQ9/SJ584RpwlaDP0csjK0+r9F6Y1w= 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=hFXBOfqy; arc=none smtp.client-ip=198.175.65.11 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="hFXBOfqy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784615580; x=1816151580; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=v3iMP1VKCgvyvF9VbXliT0PXbMARsiTfffnP7hrmTA4=; b=hFXBOfqyfIXC3vzSiDV+a41srMcgIq8YiCzd18qe3fRnObFN7W++S1Sv AvR1/CRjQu7m+XRrc9cUSKxcTRWxrGLuTlU9KirUJQ7/LskgYY+QJ7ept zeaS2gM3LBWOjLbRVw0WPPV+76tiy3jOzlRCR29WV0N2vrV322TiV+VYU mixOY7JH2zomfFe0+YJTwUlMjI0UUhtZiDRphtqeISmXS2BVIzdAR/hT5 Lgq7fG5kmG2HtqUSj2oLbjcL+LfhZK15qEJ+t97GY4XPqvNeaRDo01Nvt 2dMY8fHn1PwjYAGXHYa7tb+Eaf1NIduwxzG8SLVoB8d/3nTq+1SpNL001 w==; X-CSE-ConnectionGUID: Sz2K5L79QCKi73ZsPo2nBQ== X-CSE-MsgGUID: RYIg/rLOQjeHchBoMIg3kQ== X-IronPort-AV: E=McAfee;i="6800,10657,11852"; a="95565425" X-IronPort-AV: E=Sophos;i="6.25,176,1779174000"; d="scan'208";a="95565425" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2026 23:32:59 -0700 X-CSE-ConnectionGUID: eUeiAvtOSgKkn4KH+sH7+A== X-CSE-MsgGUID: iDrQN6d8ToeFlOxoT79ndw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,176,1779174000"; d="scan'208";a="259655993" Received: from spr.sh.intel.com ([10.112.229.196]) by fmviesa004.fm.intel.com with ESMTP; 20 Jul 2026 23:32:53 -0700 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 v10 08/23] perf: Move and enhance has_extended_regs() for arch-specific use Date: Tue, 21 Jul 2026 14:24:51 +0800 Message-Id: <20260721062506.3745816-9-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260721062506.3745816-1-dapeng1.mi@linux.intel.com> References: <20260721062506.3745816-1-dapeng1.mi@linux.intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Kan Liang Move has_extended_regs() to include/linux/perf_event.h so it can be used by arch-specific code. While moving it, enhance the check logic and rename it to event_has_extended_regs() to match existing perf event helper naming. Signed-off-by: Kan Liang Signed-off-by: Dapeng Mi --- include/linux/perf_event.h | 10 ++++++++++ kernel/events/core.c | 8 +------- 2 files changed, 11 insertions(+), 7 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 48d851fbd8ea..fb38affa7352 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1534,6 +1534,16 @@ perf_event__output_id_sample(struct perf_event *event, extern void perf_log_lost_samples(struct perf_event *event, u64 lost); +static inline bool event_has_extended_regs(struct perf_event *event) +{ + struct perf_event_attr *attr = &event->attr; + + return ((attr->sample_type & PERF_SAMPLE_REGS_USER) && + (attr->sample_regs_user & PERF_REG_EXTENDED_MASK)) || + ((attr->sample_type & PERF_SAMPLE_REGS_INTR) && + (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 = &event->attr; diff --git a/kernel/events/core.c b/kernel/events/core.c index 770c4b1330c7..7848e9ac06ca 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -13116,12 +13116,6 @@ int perf_pmu_unregister(struct pmu *pmu) } EXPORT_SYMBOL_GPL(perf_pmu_unregister); -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 = NULL; @@ -13156,7 +13150,7 @@ static int perf_try_init_event(struct pmu *pmu, struct perf_event *event) goto err_pmu; if (!(pmu->capabilities & PERF_PMU_CAP_EXTENDED_REGS) && - has_extended_regs(event)) { + event_has_extended_regs(event)) { ret = -EOPNOTSUPP; goto err_destroy; } -- 2.34.1