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Message-ID: <20230516134002.GB28890@redhat.com>
Date: Tue, 16 May 2023 15:40:03 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: Mike Christie <michael.christie@...cle.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
Christian Brauner <brauner@...nel.org>,
Thorsten Leemhuis <linux@...mhuis.info>,
nicolas.dichtel@...nd.com,
Linux kernel regressions list <regressions@...ts.linux.dev>,
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,
Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH v11 8/8] vhost: use vhost_tasks for worker threads
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.
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