linux-kernel - Re: [PATCH v11 8/8] vhost: use vhost

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Message-ID: <172df925-48ae-bc25-81fc-a2d6b39b8739@6wind.com>
Date:   Tue, 9 May 2023 10:09:27 +0200
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     Mike Christie <michael.christie@...cle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Christian Brauner <brauner@...nel.org>
Cc:     hch@...radead.org, stefanha@...hat.com, jasowang@...hat.com,
        mst@...hat.com, sgarzare@...hat.com,
        virtualization@...ts.linux-foundation.org, ebiederm@...ssion.com,
        konrad.wilk@...cle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 8/8] vhost: use vhost_tasks for worker threads

Le 06/05/2023 à 00:37, Mike Christie a écrit :
[snip]
> (Nicolas, I confirmed it fixes the 'ps a' case, but couldn't replicate the 'ps'
> case. If you could test the ps only case or give me info on what /usr/bin/example
> was doing I can replicate and test here):
With you patch:
$ ps a
  PID TTY      STAT   TIME COMMAND
  191 ttyS0    Ss     0:00 /bin/sh -li
 1255 ttyS0    SLl    0:53 /usr/bin/example
 1742 ttyS0    R+     0:00 ps a
$ ps
  PID TTY          TIME CMD
  191 ttyS0    00:00:00 sh
 1743 ttyS0    00:00:00 ps

This fixes the regression on our side, but now, 'example' is not displayed
anymore with 'ps'.

Thank you,
Nicolas