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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C5BFC433F5 for ; Mon, 4 Oct 2021 12:05:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 540BF61215 for ; Mon, 4 Oct 2021 12:05:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233119AbhJDMHk (ORCPT ); Mon, 4 Oct 2021 08:07:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:44870 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233134AbhJDMHh (ORCPT ); Mon, 4 Oct 2021 08:07:37 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7556061215; Mon, 4 Oct 2021 12:05:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633349149; bh=97kgmJBa0qL8A5UxMz3vj6lMPTHTmg9/W7lY7JruH7o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y41TowH1y/OerqL/AS1oT8JSyc7icR5rmPPeJdoW/ig3m/RuxwbbqhgTIETFKb8q8 xgKniB7v2ZJuP0cGEeS+J/U5nDjRGxNxMd1SVlUAIHp3ZsZxkU8b04q8H1+TYZHwoJ TZntYoAQI+rXokEK/EnZwXUSgCdPq6WQeUf+0XqbA1lw685O1t6cj+Cut4sUb2c5AB iHZuv7Aibl3H7ZEX4JvisO7eKGtCAS0dJvE+kgxv5tnHS5GOaHrigP8CViLu3HILdv WSDvgBL2UyHw0DqeE0g/Oo3oC2zCd8bP6fm4Ulmd0AoPj8w4wBOAIT0cmnWVVA3rfK Dc6emV/Fmeteg== From: Will Deacon To: linux-kernel@vger.kernel.org, Robin Murphy , Joerg Roedel , linux-arm-kernel , Zhen Lei , iommu Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , John Garry Subject: Re: [PATCH] iommu/arm-smmu-v3: Stop pre-zeroing batch commands in arm_smmu_atc_inv_master() Date: Mon, 4 Oct 2021 13:05:35 +0100 Message-Id: <163334645081.1581475.7922976720083700299.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210817113411.1962-1-thunder.leizhen@huawei.com> References: <20210817113411.1962-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 17 Aug 2021 19:34:11 +0800, Zhen Lei wrote: > Pre-zeroing the batched commands structure is inefficient, as individual > commands are zeroed later in arm_smmu_cmdq_build_cmd(). Therefore, only > the member 'num' needs to be initialized to 0. > > Applied to will (for-joerg/arm-smmu/updates), thanks! [1/1] iommu/arm-smmu-v3: Stop pre-zeroing batch commands in arm_smmu_atc_inv_master() https://git.kernel.org/will/c/93f9f7958f12 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev