Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp2303964pxu; Mon, 7 Dec 2020 03:07:50 -0800 (PST) X-Google-Smtp-Source: ABdhPJwVchtgQeM2LbpXjPZHn6lvJx/Kap95OHZRRkVcRevaj+UClQ4lYQ9dzW9fftd44yc/MKEY X-Received: by 2002:a50:fc8b:: with SMTP id f11mr19607570edq.11.1607339270789; Mon, 07 Dec 2020 03:07:50 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1607339270; cv=none; d=google.com; s=arc-20160816; b=BCfU75eA0u3YBsIwOqDLLMatCnD8nMs2XoBgumyqrU9tBVLEeCjoGye0m9w5ts555K IUfPgmCXYggWD+E1FmYGaNEf3cYizSC3VaC/6WSHLLEOBNc/8/Kxu93ACRMXLrZWOULT MtppHjr10zNIkDIgq+4e4vzFlDMpCPqCzylGzOw1vGzQ0Jv7l1x2kCsF5ihkK9+F4qZr uzEApTUWtz4eU0G9o6Pth5FWQh7UfW4khXVcO8KNiHeF7Vg0dIza52VlCwbbL8ie1CJa hDgRFcgttThCcomwz6Hv90ZS1aALNbtTjyFTDYdVH9slKFw6KenUiSH8M77lFE4AzGG9 Kuag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=9jPgZLLYgc+JtNR8kk8k486rBEsRcoD+3rBreD/dBRU=; b=CwlxTVmcR4RUmi2OlucVtMHIlSDxN1Uw1s/7+J0tR5IvBTFLQbL3jxR2eR8VS2vWPC mn+v5orrYVs4RA+SnXVZoqdk70z8p04/Ay7t7X57z1aQKFugYtbqbhlkDqIidfm1x6V3 OssDx4/G1OWO+UlXfbxhd3Km/jeMFMMxlLC9pgHRYXn+C2gxPNwg5tbv4NUin4aajZB1 /GHOr+DUxGrdv4gutwQxqrS/CtJj0jFJHb6GOzZa7bO/7UmH4ZZWB1RqZaqmMYHZPY0j L9hlkazopTVi+x4y9OK6KeniZnrJmeRghZbTFJgpPa376tz+Oz7WP3SBGChJKiUJ3hMy Z49Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h17si6624286ejc.592.2020.12.07.03.07.27; Mon, 07 Dec 2020 03:07:50 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726320AbgLGLGK (ORCPT + 99 others); Mon, 7 Dec 2020 06:06:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:44544 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726244AbgLGLGK (ORCPT ); Mon, 7 Dec 2020 06:06:10 -0500 From: Will Deacon Authentication-Results: mail.kernel.org; dkim=permerror (bad message/signature format) To: iommu@lists.linux-foundation.org, Suravee Suthikulpanit , linux-kernel@vger.kernel.org Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , brijesh.singh@amd.com, Jon.Grimm@amd.com Subject: Re: [PATCH] iommu/amd: Set DTE[IntTabLen] to represent 512 IRTEs Date: Mon, 7 Dec 2020 11:05:23 +0000 Message-Id: <160733882472.3526398.13030595786733592233.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201207091920.3052-1-suravee.suthikulpanit@amd.com> References: <20201207091920.3052-1-suravee.suthikulpanit@amd.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 Mon, 7 Dec 2020 03:19:20 -0600, Suravee Suthikulpanit wrote: > According to the AMD IOMMU spec, the commit 73db2fc595f3 > ("iommu/amd: Increase interrupt remapping table limit to 512 entries") > also requires the interrupt table length (IntTabLen) to be set to 9 > (power of 2) in the device table mapping entry (DTE). Applied to arm64 (for-next/iommu/fixes), thanks! [1/1] iommu/amd: Set DTE[IntTabLen] to represent 512 IRTEs https://git.kernel.org/arm64/c/4165bf015ba9 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev