From: Julien Grall <julien@xen.org>
To: Roger Pau Monne <roger.pau@citrix.com>, xen-devel@lists.xenproject.org
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
George Dunlap <george.dunlap@citrix.com>,
Jan Beulich <jbeulich@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>
Subject: Re: [PATCH v3] console/serial: bump buffer from 16K to 128K
Date: Tue, 19 Sep 2023 13:53:21 +0100 [thread overview]
Message-ID: <6b52d9ef-d054-41ba-9b77-059d3e0ead34@xen.org> (raw)
In-Reply-To: <20230919125118.12657-1-roger.pau@citrix.com>
Hi Roger,
On 19/09/2023 13:51, Roger Pau Monne wrote:
> Testing on a Kaby Lake box with 8 CPUs leads to the serial buffer
> being filled halfway during dom0 boot, and thus a non-trivial chunk of
> Linux boot messages are dropped.
>
> Increasing the buffer to 128K does fix the issue and Linux boot
> messages are no longer dropped. There's no justification either on
> why 16K was chosen, and hence bumping to 128K in order to cope with
> current systems generating output faster does seem appropriate to have
> a better user experience with the provided defaults.
>
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Julien Grall <jgrall@amazon.com>
I will commit it in a couple of days if there are no objection.
Cheers,
--
Julien Grall
next prev parent reply other threads:[~2023-09-19 12:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-19 12:51 [PATCH v3] console/serial: bump buffer from 16K to 128K Roger Pau Monne
2023-09-19 12:53 ` Julien Grall [this message]
2023-09-19 13:06 ` Jan Beulich
2023-09-19 14:14 ` Roger Pau Monné
2023-09-19 14:26 ` Jan Beulich
2023-09-22 8:04 ` Julien Grall
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