From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH] virtio: make more robust in face of misbehaving devices
Date: Tue, 22 Apr 2025 10:59:50 +0200 [thread overview]
Message-ID: <174531239008.3008570.11688336061526384698.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20250422075658.221273-1-a.fatoum@pengutronix.de>
On Tue, 22 Apr 2025 09:56:58 +0200, Ahmad Fatoum wrote:
> The virtio device drivers assume at a number of places that polling
> indefinitely with virtqueue_get_buf will eventually succeed.
>
> It was observed that sometimes after a warm reboot inside QEMU, barebox
> finds itself inside an infinite poll loop.
>
> This needs to be further analyzed, of course, but it's already and
> improvement for barebox to recover from such situations by returning an
> error code or at least printing an error message.
>
> [...]
Applied, thanks!
[1/1] virtio: make more robust in face of misbehaving devices
https://git.pengutronix.de/cgit/barebox/commit/?id=1e84d6ffc4af (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2025-04-22 10:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-22 7:56 Ahmad Fatoum
2025-04-22 8:59 ` Sascha Hauer [this message]
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