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[86.143.223.59]) by smtp.gmail.com with ESMTPSA id h13sm15046299wrs.68.2021.07.12.11.35.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Jul 2021 11:35:11 -0700 (PDT) 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: 537434f8-cf87-46a1-9570-e2b4f7e51665 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:reply-to:subject:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=7IOFMEaRXeb4lEhp2WUWQKlciZCWXIIZtMZDzWywoQE=; b=iJ5ypSOwhZ1GrRtpiXszUM+5DzrGOgexYHG8U7Mc+DDSREbz0w+aHGa45PxH42Gyxi 0pfPYkDMR+fOdhj2yWUtiErQzJL5BlIQNHCbJk3nVBOwmSmBbinAjKGjfJ/HKvcttf7a 6fao64lFvcgyNHsLTspMvmYZ12+VBWaDyAZCQQBvjZW6ui1thulFX9DIpLNjrAWvwF7R ADn797u2YfILlvEemxqBw2xGzWFJdpSarYg1PsGbGie0lhBG9EHiS4Cx4GirY50veGSH bfTCZGb5ZC6nV4enyfCrSP0vQCQGOGkGBsfVKuSHUFKRlt33UOxxPJ+90xN1ut1GnIbx zmng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:reply-to:subject:to:cc:references :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=7IOFMEaRXeb4lEhp2WUWQKlciZCWXIIZtMZDzWywoQE=; b=isZFozRyx4ofkkYxloVhOHoz87wxZqJ6+mNZFsxLYBBSpmBQ8lIKJ2iSPei0iX9BhL Fari3FIcAW+1QuCUSrVv2uYGBsVTkujUgUl7/XOguRMDbiEOmdYgra6qaekaBaISD+/u 6RDZxru5UV8nuJ8CQnBngKpL2E5XuGS+h5yjzjcM5O2VpGdgc1/zvgQKpaPfZrQjBkCL A8cqP526RdkGtKzj8+/YaVsIOyvwnZ2j+g2KCkke7549dJPm4N4VVdMzt6bXLQdB+olW yZW5P5NL+FGDmajTxFTL1KsEOud6T8+NqIggrHwk1ov700nnWAS6pfXVDu0SGEyki4sh zFmA== X-Gm-Message-State: AOAM531xSCxb9hE5jRevp6f1ikb3rqWj4krs03KAwxl7wPZbAucxxhPz S6gEjTNDsZ3JuYHT5yl14xk= X-Google-Smtp-Source: ABdhPJzlymIG/+7+4jY63p8axw0hsT46LSF5jRgU2hk2Q0460Tgl8C/UNryGwoIamG4oXsb9663AGQ== X-Received: by 2002:adf:fb8f:: with SMTP id a15mr465196wrr.92.1626114911428; Mon, 12 Jul 2021 11:35:11 -0700 (PDT) From: Paul Durrant X-Google-Original-From: Paul Durrant Reply-To: paul@xen.org Subject: Re: [PATCH 2/2] CHANGELOG: record changed PCI device quarantining default To: Jan Beulich , "xen-devel@lists.xenproject.org" Cc: Andrew Cooper References: <95ceeea0-5623-952e-00c9-2c7f1a3459dc@suse.com> <79d35b3a-4f13-fd5b-91db-2805c999b36d@suse.com> Message-ID: <8ba4e63d-12f6-2aef-0833-d9e0b989a9b9@xen.org> Date: Mon, 12 Jul 2021 19:35:10 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <79d35b3a-4f13-fd5b-91db-2805c999b36d@suse.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit On 07/07/2021 14:22, Jan Beulich wrote: > This amends commit 980d6acf1517 ("IOMMU: make DMA containment of > quarantined devices optional"). > > Signed-off-by: Jan Beulich Reviewed-by: Paul Durrant > > --- a/CHANGELOG.md > +++ b/CHANGELOG.md > @@ -10,6 +10,13 @@ The format is based on [Keep a Changelog > - XENSTORED_ROOTDIR environment variable from configuartion files and > initscripts, due to being unused. > > +### Changed > + - Quarantining of passed-through PCI devices no longer defaults to directing I/O to a scratch > + page, matching original post-XSA-302 behavior (albeit the change was also backported, first > + appearing in 4.12.2 and 4.11.4). Prior (4.13...4.15-like) behavior can be arranged for > + either by enabling the IOMMU_QUARANTINE_SCRATCH_PAGE setting at build (configuration) time > + or by passing "iommu=quarantine=scratch-page" on the hypervisor command line. > + > ## [4.15.0 UNRELEASED](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=RELEASE-4.15.0) - TBD > > ### Added / support upgraded >