From patchwork Wed Feb 14 16:36:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tyler Retzlaff X-Patchwork-Id: 136788 X-Patchwork-Delegate: david.marchand@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5BFF943B38; Wed, 14 Feb 2024 17:39:43 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C42DE4337D; Wed, 14 Feb 2024 17:36:49 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id DE1F2427DF for ; Wed, 14 Feb 2024 17:36:08 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 0E1D620B2026; Wed, 14 Feb 2024 08:36:06 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 0E1D620B2026 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1707928568; bh=6qgzre6ZdwK5cMXrPNM3aaGtJ/Ngzsn5MY2LvqSZ0T8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h92YJHKsyTprYa5Hm03Now96hT6qF4GnqFU0y/jxvEXJwa7Kmv8vBw6fqL8zXZFDe 3k8ajw3kmBLETYTlH+0pdvSvusfALyrg+uEr4g+jqqH2ALMA5KLPIjyKXeEK1BTGcM 4CKUyRBu5kvL7OZVUbQWmVreJ3EJvl3KpgTMmOAQ= From: Tyler Retzlaff To: dev@dpdk.org Cc: Andrew Rybchenko , Bruce Richardson , Chengwen Feng , Cristian Dumitrescu , David Christensen , David Hunt , Ferruh Yigit , Honnappa Nagarahalli , Jasvinder Singh , Jerin Jacob , Kevin Laatz , Konstantin Ananyev , Min Zhou , Ruifeng Wang , Sameh Gobriel , Stanislaw Kardach , Thomas Monjalon , Vladimir Medvedkin , Yipeng Wang , Tyler Retzlaff Subject: [PATCH v4 37/39] gpudev: use C11 alignas Date: Wed, 14 Feb 2024 08:36:02 -0800 Message-Id: <1707928564-28796-38-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1707928564-28796-1-git-send-email-roretzla@linux.microsoft.com> References: <1707873986-29352-1-git-send-email-roretzla@linux.microsoft.com> <1707928564-28796-1-git-send-email-roretzla@linux.microsoft.com> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org * Move __rte_aligned from the end of {struct,union} definitions to be between {struct,union} and tag. The placement between {struct,union} and the tag allows the desired alignment to be imparted on the type regardless of the toolchain being used for all of GCC, LLVM, MSVC compilers building both C and C++. * Replace use of __rte_aligned(a) on variables/fields with alignas(a). Signed-off-by: Tyler Retzlaff Acked-by: Morten Brørup --- lib/gpudev/gpudev_driver.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/gpudev/gpudev_driver.h b/lib/gpudev/gpudev_driver.h index 0b1e7f2..37b6ae3 100644 --- a/lib/gpudev/gpudev_driver.h +++ b/lib/gpudev/gpudev_driver.h @@ -72,7 +72,7 @@ struct rte_gpu_mpshared { RTE_ATOMIC(uint16_t) process_refcnt; /* Updated by this library. */ }; -struct rte_gpu { +struct __rte_cache_aligned rte_gpu { /* Backing device. */ struct rte_device *device; /* Data shared between processes. */ @@ -85,7 +85,7 @@ struct rte_gpu { enum rte_gpu_state process_state; /* Updated by this library. */ /* Driver-specific private data for the running process. */ void *process_private; -} __rte_cache_aligned; +}; __rte_internal struct rte_gpu *rte_gpu_get_by_name(const char *name);