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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 3291AC02193 for ; Tue, 4 Feb 2025 07:14:45 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.881091.1291205 (Exim 4.92) (envelope-from ) id 1tfD8R-0000tU-GU; Tue, 04 Feb 2025 07:14:15 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 881091.1291205; Tue, 04 Feb 2025 07:14:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tfD8R-0000tN-Dw; Tue, 04 Feb 2025 07:14:15 +0000 Received: by outflank-mailman (input) for mailman id 881091; Tue, 04 Feb 2025 07:14:13 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tfD8P-0000tH-CV for xen-devel@lists.xenproject.org; Tue, 04 Feb 2025 07:14:13 +0000 Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [2a00:1450:4864:20::633]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id a1ccd7fd-e2c7-11ef-a0e7-8be0dac302b0; Tue, 04 Feb 2025 08:14:11 +0100 (CET) Received: by mail-ej1-x633.google.com with SMTP id a640c23a62f3a-aaec111762bso535283966b.2 for ; Mon, 03 Feb 2025 23:14:11 -0800 (PST) Received: from [10.156.60.236] (ip-037-024-206-209.um08.pools.vodafone-ip.de. [37.24.206.209]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ab706ce9a53sm615955766b.72.2025.02.03.23.14.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Feb 2025 23:14:10 -0800 (PST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: a1ccd7fd-e2c7-11ef-a0e7-8be0dac302b0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1738653251; x=1739258051; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=pK9a+ymbmfw2qzP3ZfojBmmVQFUbNe44/GkLdTlPtRg=; b=X3Jiwhq/ZRmvesmZw/KZRvW4fNZfYrqCfUqyceNo34VMhzkKaKqw1cstKUE3+I3Era Y5l/TEiSs1FIX1sXopFD3/0GSfkoMpKACuePvoseEVfh8eF7lZwXWEb7f4pAJw7G6wcR klCCNlG9Kis9ip6B/faosY6/ajDNE3r3V422b/J2jp5L9hlbngqhkFVs2LIAActNOks/ 2dqnIDgbbVFI5aPHn4X0JDCGtQGxZqfEN2FvTUJdYfrF/Q7iydcxfPwvoRY3Xsg41VCa 0JMCZY7pcfZOrKUdRGpoS2TiO8lIuB7AwybXIbmoJUWll4a5cq0s2tW/FtZ2gwlGS6Zn XylA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738653251; x=1739258051; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=pK9a+ymbmfw2qzP3ZfojBmmVQFUbNe44/GkLdTlPtRg=; b=VW2RXpSf0EbJYADy2c7hY15plg90t1JKkMdENuyDABH/MNf2LldPevAtQJX2T4BFq+ dlcz04P3otRIOtPhIauXkWI7xRYPZBMHyEzA8BetDom6cb254MGS/18pVlLhs5Rkq8s5 yOojjWpv0HV90cGZ7g/CtWZ2gG3PorvwFWu70OTg2o8Gp7zvny8Y/XglSeQgOmMCojCx 3v50rlAJYvQh5wEx5CKf8BWgEZEq1NTwflXBOx/Dmzsouzmh2g5OtV3QbVR+RoC6QSuJ v0Q91yM7QEwiovbx7pKQfkADrk9yTubnOkx836ehbmzl+/3vpdBTgaNE1rKICD0LjTYS nFgw== X-Forwarded-Encrypted: i=1; AJvYcCU0iNwjCvX22Np4v5Dfr3TNTEgRiAIZV2jaWBJEREIGQlZCleIBp+v9BLCxF/SMDy094srCOaovFe0=@lists.xenproject.org X-Gm-Message-State: AOJu0YyLfcI2blXcEXVINK3tb9091Kzj5l1m+06CRuXa1TJbUT2xz3so FwzrUOYxeXVNh7tODeg7GfNn9EkyWyMislHj4p9cDy76vmYgI7XWvBwArosTMQ== X-Gm-Gg: ASbGncs8JzxAxFZ91cDgQ11fT21SHHFlCaSELcoeIexdsR499MLrWtFrhyUEdWJkb15 h+KOJrpjU8FHGlWFKvxFiZVatIuWEoJjdSZaMFWHMUPi/D4dAPx37BzYHK3RFhG7x+n1ILdpmoS ghDF/3ftfwGBUIBX0DotpUyjhStGjE7/n5Sn905ErB+o7v8ejuBpDRGQ+VOgtZVezlC6UGW0ikb SB6JAsKZa+mVzYh17vwoEzrw6OwBs0xk4AuvFFwEzIFjxqZbquyGGpxBWu2ODaxPHsYRfSh8i83 qNK9ouqYlwJFCGrgg7c2ipIfcujORuZo3/hwEdteW6yCAaWcPDQtDirmKAY5x2XRzITYITuiodc r X-Google-Smtp-Source: AGHT+IFTmOTGedUJX6bvLB699vsEvT8rTj8IYJrgtzA6z02xflbmdJ4lYWXDwuKcLIgnmS9KKVDDew== X-Received: by 2002:a17:907:94cb:b0:aae:fb7c:50df with SMTP id a640c23a62f3a-ab6cfdbc4c8mr2862185766b.36.1738653250850; Mon, 03 Feb 2025 23:14:10 -0800 (PST) Message-ID: Date: Tue, 4 Feb 2025 08:14:09 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH for-4.20 0/6] AMD/IOMMU: assorted corrections To: Oleksii Kurochko Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , "xen-devel@lists.xenproject.org" References: <30f29dde-15e1-4af9-b86f-0040658c381a@suse.com> <3a049628-8693-4fe5-81a1-1961b1402e50@gmail.com> Content-Language: en-US From: Jan Beulich Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <3a049628-8693-4fe5-81a1-1961b1402e50@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 03.02.2025 17:38, Oleksii Kurochko wrote: > > On 2/3/25 5:22 PM, Jan Beulich wrote: >> The first two patches are functionally independent, and they're presented >> here merely in the order I came to notice the respective issues. At least >> patch 2 wants seriously considering for 4.20. >> >> While alternatives were considered for patch 2, it's left as it was in v1 >> for now. The disposition there depends on (a) the four new patches, in >> particular what the last patch does and (b) backporting considerations >> (we probably don't want to backport any of the radix tree tidying). >> >> 1: AMD/IOMMU: drop stray MSI enabling >> 2: x86/PCI: init segments earlier > > R-Acked-by: Oleksii Kurochko for first two patches. > > For others it seems like nothing serious will happen if to merge them after 4.20. It took me some time to actually take two and two together, but: With the observation underlying patch 6, patch 2 can actually be dropped altogether, with what is now patch 5 taking the role of the bug fix. That'll make what is now patch 3 a strict prereq then, though. I'll cut a shrunk down v3. Jan