From: Peter Maydell <peter.maydell@linaro.org>
To: Eric Auger <eric.auger@redhat.com>
Cc: eric.auger.pro@gmail.com, qemu-arm <qemu-arm@nongnu.org>,
QEMU Developers <qemu-devel@nongnu.org>,
wanghaibin.wang@huawei.com, Vijay Kilari <vijay.kilari@gmail.com>,
Andrew Jones <drjones@redhat.com>, Wei Huang <wei@redhat.com>,
Juan Quintela <quintela@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Christoffer Dall <christoffer.dall@linaro.org>,
wu.wubin@huawei.com
Subject: Re: [Qemu-devel] [RFC v2 1/4] hw/intc/arm_gicv3_its: Don't abort on table save failure
Date: Thu, 2 Nov 2017 12:53:02 +0000 [thread overview]
Message-ID: <CAFEAcA81ogq6py71ejK7JD52A8LrQz1v92M1HZPCfPVBZy1vww@mail.gmail.com> (raw)
In-Reply-To: <1508772937-21054-2-git-send-email-eric.auger@redhat.com>
On 23 October 2017 at 16:35, Eric Auger <eric.auger@redhat.com> wrote:
> The ITS is not fully properly reset at the moment. Caches are
> not emptied.
>
> After a reset, in case we attempt to save the state before
> the bound devices have registered their MSIs and after the
> 1st level table has been allocated by the ITS driver
> (device BASER is valid), the first level entries are still
> invalid. If the device cache is not empty (devices registered
> before the reset), vgic_its_save_device_tables fails with -EINVAL.
> This causes a QEMU abort().
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
> Reported-by: wanghaibin <wanghaibin.wang@huawei.com>
>
> ---
>
> this patch would deserve being cc'ed stable (2.10)
> This goes along with patches 1-5 of
> [PATCH v5 00/10] vITS Migration fixes and reset, candidate
> for being cc'ed stable
> ---
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
We could/should put this patch into qemu now, right (it's
the rest of the series that's RFC) ?
thanks
-- PMM
next prev parent reply other threads:[~2017-11-02 12:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-23 15:35 [Qemu-devel] [RFC v2 0/4] vITS Reset Eric Auger
2017-10-23 15:35 ` [Qemu-devel] [RFC v2 1/4] hw/intc/arm_gicv3_its: Don't abort on table save failure Eric Auger
2017-11-02 12:53 ` Peter Maydell [this message]
2017-11-06 10:09 ` Auger Eric
2017-11-06 11:13 ` Peter Maydell
2017-10-23 15:35 ` [Qemu-devel] [RFC v2 2/4] hw/intc/arm_gicv3_its: Implement a minimalist reset Eric Auger
2017-11-02 13:00 ` Peter Maydell
2017-10-23 15:35 ` [Qemu-devel] [RFC v2 3/4] linux-headers: Partial header update for ITS reset Eric Auger
2017-10-23 15:35 ` [Qemu-devel] [RFC v2 4/4] hw/intc/arm_gicv3_its: Implement full reset Eric Auger
2017-11-02 13:04 ` Peter Maydell
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