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Date:   Tue, 16 May 2023 15:40:03 +0200
From:   Oleg Nesterov <oleg@redhat.com>
To:     Mike Christie <michael.christie@oracle.com>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        Christian Brauner <brauner@kernel.org>,
        Thorsten Leemhuis <linux@leemhuis.info>,
        nicolas.dichtel@6wind.com,
        Linux kernel regressions list <regressions@lists.linux.dev>,
        hch@infradead.org, stefanha@redhat.com, jasowang@redhat.com,
        mst@redhat.com, sgarzare@redhat.com,
        virtualization@lists.linux-foundation.org, ebiederm@xmission.com,
        konrad.wilk@oracle.com, linux-kernel@vger.kernel.org,
        Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH v11 8/8] vhost: use vhost_tasks for worker threads
Message-ID: <20230516134002.GB28890@redhat.com>
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On 05/15, Mike Christie wrote:
>
> --- a/kernel/vhost_task.c
> +++ b/kernel/vhost_task.c
> @@ -75,13 +75,13 @@ struct vhost_task *vhost_task_create(int (*fn)(void *), void *arg,
>  				     const char *name)
>  {
>  	struct kernel_clone_args args = {
> -		.flags		= CLONE_FS | CLONE_UNTRACED | CLONE_VM,
> +		.flags		= CLONE_FS | CLONE_UNTRACED | CLONE_VM |
> +				  CLONE_THREAD | CLONE_SIGHAND,

I am looking at 6/8 on https://lore.kernel.org/lkml/ ...

with this change kernel_wait4() in vhost_task_stop() won't work?

Oleg.