Re: [CFT][PATCH v3] fork, vhost: Use CLONE_THREAD to fix freezer/ps regression

[Oleg Nesterov]

On 06/03, michael.christie@xxxxxxxxxx wrote:
>
> On 6/2/23 11:15 PM, Eric W. Biederman wrote:
> The problem is that as part of the flush the drivers/vhost/scsi.c code
> will wait for outstanding commands, because we can't free the device and
> it's resources before the commands complete or we will hit the accessing
> freed memory bug.

ignoring send-fd/clone issues, can we assume that the final fput/release
should always come from vhost_worker's sub-thread (which shares mm/etc) ?

Oleg.