From nobody Thu Dec 18 20:14:22 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 B38F41A0B0C; Mon, 24 Jun 2024 20:11:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719259896; cv=none; b=q2LQq4fspWxY47tgMUmuEMsbIhvtG9lF1umGaHpP3/25e0LiRAcvV57im/epa2ug612GzG+NWUhsDnWtwj2qnVKSQZ6cH7MQYjZmpNzcI3gP9k0LaO/zX9gGVuvtH5IcQEXmFQ4+lkdI4JIXZD2V1xi1/bqu+zHBjI9Thxc+VR8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719259896; c=relaxed/simple; bh=60o2mQRsYIshyDRjr/8WJK7Blsri2g7LodXDQrgcS10=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=e4DjkX12LNmb/EEoQevjcbmrX5ZThlnVeIRP0IfB26Xs4uGtNGoDU49y5yU/NUKJzbEbTjttm01T3+ZORrI2XzManP5WBBwMsSqyqHWJWqr1NBe39HWv/VqqZN08NfOgu4xLh336vzgL8fEQ068lRyELMZ6v1ULGa467Op2B8og= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=BP+RcLvA; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="BP+RcLvA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719259894; x=1750795894; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=60o2mQRsYIshyDRjr/8WJK7Blsri2g7LodXDQrgcS10=; b=BP+RcLvAXlTZ5OovWuvJqok5w2KQWde8wSIh2lBcAF24G6SzIjtbZqBi 4wiD4qUd2k3W0msIWsALEDk9b05aCDh+SnCZT773OkMSB73AJ7CcDLtZO OOhGhyq8z6sVcPuzxmBuXIXJYKxIAfdXIS1YWTtFy6BcK5r1JF6WOAtZp 26lH3QmS+6YVq8wHLolpNIhEFpj4UzB4+dCaaVRXFjvjQFwYkrdjVd4EU zHLBkQlP0n9c/48rhuHdQ0c7Rgf3+TNDln7Kx8i/ZFiyOeMj2SExSoOzp Jx8F0ZeRA5KL4TvAIWa2JoffwgRzZXwQqLnbfX3ePVUS+9eg9oONRYUQA Q==; X-CSE-ConnectionGUID: 3UxpKvDUS2mL9oM4q8EYRA== X-CSE-MsgGUID: 9mM28z0RQzGz+sTD+xlBkg== X-IronPort-AV: E=McAfee;i="6700,10204,11113"; a="16128044" X-IronPort-AV: E=Sophos;i="6.08,262,1712646000"; d="scan'208";a="16128044" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2024 13:11:34 -0700 X-CSE-ConnectionGUID: EuWWSbQBRWyS96PsoqaYTA== X-CSE-MsgGUID: WYvo6EEqQnCzcv1a/AWoRw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,262,1712646000"; d="scan'208";a="43387305" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.94.249.84]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2024 13:11:30 -0700 From: Adrian Hunter To: Peter Zijlstra Cc: Ingo Molnar , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, H Peter Anvin , Mark Rutland , Alexander Shishkin , Marco Cavenati , Arnaldo Carvalho de Melo , Jiri Olsa , Namhyung Kim , Ian Rogers , Kan Liang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH 4/7] perf: Fix perf_aux_size() for greater-than 32-bit size Date: Mon, 24 Jun 2024 23:10:58 +0300 Message-Id: <20240624201101.60186-5-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240624201101.60186-1-adrian.hunter@intel.com> References: <20240624201101.60186-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" perf_buffer->aux_nr_pages uses a 32-bit type, so a cast is needed to calculate a 64-bit size. Fixes: 45bfb2e50471 ("perf: Add AUX area to ring buffer for raw data stream= s") Signed-off-by: Adrian Hunter --- kernel/events/internal.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 5150d5f84c03..386d21c7edfa 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -128,7 +128,7 @@ static inline unsigned long perf_data_size(struct perf_= buffer *rb) =20 static inline unsigned long perf_aux_size(struct perf_buffer *rb) { - return rb->aux_nr_pages << PAGE_SHIFT; + return (unsigned long)rb->aux_nr_pages << PAGE_SHIFT; } =20 #define __DEFINE_OUTPUT_COPY_BODY(advance_buf, memcpy_func, ...) \ --=20 2.34.1