#47225 - QEMU warning about performance

Package	Source(s)		Maintainer(s)
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From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: Leo Famulari <leo@famulari.name>
Subject: Re: bug#47225: QEMU warning about performance
References: <YFLyVjT+hOYHvMS2@jasmine.lan> <87zgybnl8o.fsf@gmail.com>
 <YGzdd2ey7wbrzN+h@jasmine.lan>
Date: Tue, 06 Apr 2021 20:42:38 -0400
In-Reply-To: <YGzdd2ey7wbrzN+h@jasmine.lan> (Leo Famulari's message of "Tue, 6
 Apr 2021 18:15:19 -0400")
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[Message part 1 (text/plain, inline)]

Hi Leo!

Leo Famulari <leo@famulari.name> writes:

> On Tue, Apr 06, 2021 at 05:42:15PM -0400, Maxim Cournoyer wrote:
>> From c720e68229322e5c38c0321b021e8d6430636111 Mon Sep 17 00:00:00 2001
>> From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
>> Date: Tue, 6 Apr 2021 17:37:33 -0400
>> Subject: [PATCH] system: vm: Set a larger value for the msize option of the 9p
>>  file system.
>> 
>> Fixes <https://issues.guix.gnu.org/47225>.
>> 
>> * gnu/system/vm.scm (mapping->file-system): Set the msize option to a value of
>> 100 MiB (from the default 8 KiB).
>> 
>> Reported-by: Leo Famulari <leo@famulari.name>
>
> Thanks! I'll test and push along with the next kernel update (that's
> when I noticed this warning). Feel free to push sooner if you like.

I hope I'm timely; I've made a revised version of the patch, that should
cover more cases (and actually uses 100 MiB rather than 1 MiB :-)).

Thank you,

[0001-system-vm-Set-a-larger-value-for-the-msize-option-of.patch (text/x-patch, attachment)]

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#47225 QEMU warning about performance