From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BD1D7D3C53F for ; Fri, 18 Oct 2024 03:00:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6163810E354; Fri, 18 Oct 2024 03:00:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="T7jdaQC4"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1D8FA10E354 for ; Fri, 18 Oct 2024 03:00:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729220416; x=1760756416; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=x3588U3liNnUkYJvKrpwlVitz5NFMGNw6nWTxVxeIVs=; b=T7jdaQC4BJCeVDUfgUa0oLVQ8zd8ipS7MnAzgGpOIRo/QTVnIwT8eB3O ltQBQR15r8Ut5oboUjn0vypOnrdj5tyZRsLyfV/sOjAVKQGjbRPam5+Wn qlSX2N1RdEXyW3T3z255Ia5GZ/w6a4NT9TWerivHbqkerZ3OPBKJ/Sieb IYzBoJxNvyARK8KcGG3rQDWNuThQUTVH4tbJv5gT5eEfj5w343Ktwxhs/ enSebza+ugSkSuuxoQsuPSPQLR6+3JJ59ZR5he27sjn7uHSFV9IZZ8wIL YsJlqdg93659LP2nlNLLcyP7FI4G5uodqtD+5+H9lhTrhumvlIP9mYrgc g==; X-CSE-ConnectionGUID: rRiW8hhoQTS2usPYatWdfw== X-CSE-MsgGUID: E+17n8nmSy2y9AFzPZnsog== X-IronPort-AV: E=McAfee;i="6700,10204,11228"; a="28621160" X-IronPort-AV: E=Sophos;i="6.11,212,1725346800"; d="scan'208";a="28621160" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2024 20:00:15 -0700 X-CSE-ConnectionGUID: UTMWVHhSSBOFmGQEiPyp5Q== X-CSE-MsgGUID: MQ45OACGQ6Oaub7GeMW8Gw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,212,1725346800"; d="scan'208";a="83382687" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2024 20:00:15 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH] drm/xe: Use __counted_by for flexible arrays Date: Thu, 17 Oct 2024 20:00:39 -0700 Message-Id: <20241018030039.1077842-1-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Good practice to use __counted_by in kernel coding for flexible arrays. Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_exec_queue_types.h | 2 +- drivers/gpu/drm/xe/xe_sched_job_types.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_exec_queue_types.h b/drivers/gpu/drm/xe/xe_exec_queue_types.h index 7deb480e26af..1158b6062a6c 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue_types.h +++ b/drivers/gpu/drm/xe/xe_exec_queue_types.h @@ -143,7 +143,7 @@ struct xe_exec_queue { /** @hw_engine_group_link: link into exec queues in the same hw engine group */ struct list_head hw_engine_group_link; /** @lrc: logical ring context for this exec queue */ - struct xe_lrc *lrc[]; + struct xe_lrc *lrc[] __counted_by(width); }; /** diff --git a/drivers/gpu/drm/xe/xe_sched_job_types.h b/drivers/gpu/drm/xe/xe_sched_job_types.h index 0d3f76fb05ce..426d261d7359 100644 --- a/drivers/gpu/drm/xe/xe_sched_job_types.h +++ b/drivers/gpu/drm/xe/xe_sched_job_types.h @@ -63,7 +63,7 @@ struct xe_sched_job { struct xe_sched_job_snapshot { u16 batch_addr_len; - u64 batch_addr[]; + u64 batch_addr[] __counted_by(batch_addr_len); }; #endif -- 2.34.1