From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 8827A35DA5B; Mon, 6 Jul 2026 02:01:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783303313; cv=none; b=ofCA3sdXRz3yCNb3JZ6p6sDNXR2mCDe+kUk+aWpS0QPM2Dpsdw/lEkkamRd6rnA9oBkbwOGMTQWz6iONkBZBaO5IqKSv/jWLbXYsT7Sutzww0fBkgKwib4+5nr29q2vkDlp3LGvs1MTN7861hw9XH+3+EIulJ95LYW6eTwE1qko= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783303313; c=relaxed/simple; bh=NHF2vYwmeS5fbjcvp9Rwylbu4DKmNjG0PIX3Nlm4Crc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=SZEqKBQRK6VAoR/E4hvR8pnXJntLU/IlHf7un6vxfdksxisJELYqeOah51obTISiE3uGTAKvFFNkjO05bWFBbpyUrD8uhsSd8PCY2uFXC0ZTKUyoMb+X3Qw6gemMLUJi/s47HCRkffUoKss4ZYPd3YIiZODlb/juC8e33QoswrM= 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=Xi5c4CjC; arc=none smtp.client-ip=198.175.65.19 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="Xi5c4CjC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783303313; x=1814839313; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NHF2vYwmeS5fbjcvp9Rwylbu4DKmNjG0PIX3Nlm4Crc=; b=Xi5c4CjCSYxrUaC/JVnKGryAPUz3qaV5E95f+T5cbcNPgn9VZAE4l2pX B16UoE7DP0nEc+TSfy59ChDg3iG1qtFMjb+WEzHKord2GWEOFFnjnDiUq p0c1pa8qjmQymBEKo1iAUMHl+XuxaK439/uV7Fu6MWnlMJBkXQTHYihfV 5HxQ38Okp/xB8qH7qEzDBXMPMf+qMRgY7lo7DMfP2YDQw7MA9YEKKIL7A AM3vVxnOKX0gFMiXRNzDdYgRYoUmSDQblUVmqVCf9CpWJUw1Kzx1yURRr bCeUONRMmz0nYFEUkV25pFa3eCjn8+RpqfQl2TMSyzCvJI+Ek2C5bL0Lx A==; X-CSE-ConnectionGUID: ENHi4bUET4W7GO+gRjaW+g== X-CSE-MsgGUID: rl3XKDhaTFSqsfcVIQnSXw== X-IronPort-AV: E=McAfee;i="6800,10657,11838"; a="83911633" X-IronPort-AV: E=Sophos;i="6.25,149,1779174000"; d="scan'208";a="83911633" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jul 2026 19:01:53 -0700 X-CSE-ConnectionGUID: uRDQEPH8Q+aWXswupGJIhQ== X-CSE-MsgGUID: 5ZvcI/gNS+GGp7koseQrsA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,149,1779174000"; d="scan'208";a="247191297" Received: from spr.sh.intel.com ([10.112.229.196]) by fmviesa009.fm.intel.com with ESMTP; 05 Jul 2026 19:01:47 -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 v9 09/24] perf: Move and enhance has_extended_regs() for arch-specific use Date: Mon, 6 Jul 2026 09:54:24 +0800 Message-Id: <20260706015439.3040804-10-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260706015439.3040804-1-dapeng1.mi@linux.intel.com> References: <20260706015439.3040804-1-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 82009bfb4fd9..0239864029be 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