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Tsirkin , Alejandro Jimenez Subject: iommu recovery follow-up (was Re: KVM/QEMU Community Call 13/10 agenda items?) In-Reply-To: <39ed350d-7324-4bf1-9433-54a0d74855c3@gmail.com> (Demi Marie Obenour's message of "Wed, 7 Oct 2026 16:19:10 -0400") References: <87fqyh79ty.fsf@draig.linaro.org> <39ed350d-7324-4bf1-9433-54a0d74855c3@gmail.com> User-Agent: mu4e 1.14.4; emacs 30.1 Date: Tue, 20 Oct 2026 15:20:57 +0100 Message-ID: <87wlrc1mie.fsf@draig.linaro.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x433.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Demi Marie Obenour writes: > On 10/7/26 12:29, Alex Benn=C3=A9e wrote: (CC trimmed, IOMMU relevant maintainers added) >>=20 >> Hi, >>=20 >> The KVM/QEMU community call is at: >>=20 > > Is this also for topics related to KVM but not necessarily QEMU? > If so, and if there will be people who are familiar with device > passthrough, I'd like to discuss whether IOMMU faults and KVM MMU > faults are recoverable. There is a virtio device I am working on > which requires this to avoid either crashing the guest or allowing > the guest to hog host memory. We didn't get to this at the last community call. Is this something that can be discussed on list first?=20 --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro