From: Peter Xu <peterx@redhat.com>
To: "Eugenio Pérez" <eperezma@redhat.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Aleksandar Rikalo" <aleksandar.rikalo@syrmia.com>,
"Yan Zhao" <yan.y.zhao@intel.com>,
"Eduardo Habkost" <ehabkost@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
qemu-ppc@nongnu.org, "Jason Wang" <jasowang@redhat.com>,
"Juan Quintela" <quintela@redhat.com>,
qemu-devel@nongnu.org, "Eric Auger" <eric.auger@redhat.com>,
qemu-arm@nongnu.org, "Hervé Poussineau" <hpoussin@reactos.org>,
"Avi Kivity" <avi@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Richard Henderson" <rth@twiddle.net>,
"David Gibson" <david@gibson.dropbear.id.au>
Subject: Re: [RFC v8 0/5] memory: Delete assertion in memory_region_unregister_iommu_notifier
Date: Tue, 1 Sep 2020 17:13:57 -0400 [thread overview]
Message-ID: <20200901211357.GH3053@xz-x1> (raw)
In-Reply-To: <20200901142608.24481-1-eperezma@redhat.com>
On Tue, Sep 01, 2020 at 04:26:03PM +0200, Eugenio Pérez wrote:
> I am able to hit this assertion when a Red Hat 7 guest virtio_net device
> raises an "Invalidation" of all the TLB entries. This happens in the
> guest's startup if 'intel_iommu=on' argument is passed to the guest
> kernel and right IOMMU/ATS devices are declared in qemu's command line.
Thanks for working on this, Eugenio! Sorry to let the original one-liner patch
grow into a patchset... :)
I think it at least looks very good to me in general, besides another trivial
comment on patch 4.
--
Peter Xu
next prev parent reply other threads:[~2020-09-01 21:14 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-01 14:26 [RFC v8 0/5] memory: Delete assertion in memory_region_unregister_iommu_notifier Eugenio Pérez
2020-09-01 14:26 ` [RFC v8 1/5] memory: Rename memory_region_notify_one to memory_region_notify_iommu_one Eugenio Pérez
2020-09-01 20:44 ` Peter Xu
2020-09-02 0:37 ` David Gibson
2020-09-02 7:42 ` Juan Quintela
2020-09-02 9:04 ` Auger Eric
2020-09-01 14:26 ` [RFC v8 2/5] memory: Add IOMMUTLBEvent Eugenio Pérez
2020-09-01 20:54 ` Peter Xu
2020-09-02 8:14 ` Eugenio Perez Martin
2020-09-02 7:54 ` Juan Quintela
2020-09-02 8:39 ` Eugenio Perez Martin
2020-09-02 10:17 ` Auger Eric
2020-09-02 13:18 ` Eugenio Perez Martin
2020-09-02 13:39 ` Auger Eric
2020-09-02 13:58 ` Eugenio Perez Martin
2020-09-02 14:02 ` Eugenio Perez Martin
2020-09-01 14:26 ` [RFC v8 3/5] memory: Add IOMMU_DEVIOTLB_UNMAP IOMMUTLBNotificationType Eugenio Pérez
2020-09-01 20:56 ` Peter Xu
2020-09-02 7:55 ` Juan Quintela
2020-09-02 10:31 ` Auger Eric
2020-09-03 10:13 ` Eugenio Perez Martin
2020-09-03 11:06 ` Auger Eric
2020-09-03 12:21 ` Eugenio Perez Martin
2020-09-01 14:26 ` [RFC v8 4/5] intel_iommu: Do not notify regular iotlb to device-iotlb notifiers Eugenio Pérez
2020-09-01 21:04 ` Peter Xu
2020-09-03 6:07 ` Eugenio Perez Martin
2020-09-01 14:26 ` [RFC v8 5/5] memory: Skip bad range assertion if notifier is DEVIOTLB type Eugenio Pérez
2020-09-01 21:05 ` Peter Xu
2020-09-02 7:59 ` Juan Quintela
2020-09-02 14:24 ` Auger Eric
2020-09-02 23:57 ` David Gibson
2020-09-03 17:05 ` Eugenio Perez Martin
2020-09-01 21:13 ` Peter Xu [this message]
2020-09-02 8:01 ` [RFC v8 0/5] memory: Delete assertion in memory_region_unregister_iommu_notifier Eugenio Perez Martin
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