From: Christoph Hellwig <hch@infradead.org>
To: Jason Wang <jasowang@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>, Cindy Lu <lulu@redhat.com>,
mst@redhat.com, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [RFC 7/7] vhost: Add new UAPI to support changing Kthread mode
Date: Sun, 25 Aug 2024 23:26:37 -0700 [thread overview]
Message-ID: <ZswgHTRUR-wstAHf@infradead.org> (raw)
In-Reply-To: <CACGkMEv=cQqXeLdsM1ivOFvUcG+-eOOwHE_BVQmF_scbqYxUpg@mail.gmail.com>
On Mon, Aug 26, 2024 at 02:21:52PM +0800, Jason Wang wrote:
> > What is the application visible behavior that the API use is the proxy
> > for?
>
> Vhost used to be created by kthreadd but some recent patches change it
> to behave like being froked by the owner. So the various attributes
> that interhit from the parent has been changed (scheduling and
> namespace etc).
Well, if that breaks userspace it needs to be changed to opt into the
new behavior rather than requiring a flag to not break the existing
applications. Assuming the change is intentional to start with.
next prev parent reply other threads:[~2024-08-26 6:26 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-19 9:27 [RFC 0/7] vhost: Add support of kthread API Cindy Lu
2024-08-19 9:27 ` [RFC 1/7] vhost: Add a new module_param for enable kthread Cindy Lu
2024-08-19 9:27 ` [RFC 2/7] vhost: Add kthread support in function vhost_worker_queue() Cindy Lu
2024-08-27 2:36 ` Jason Wang
2024-08-28 9:32 ` Cindy Lu
2024-08-19 9:27 ` [RFC 3/7] vhost: Add kthread support in function vhost_workers_free() Cindy Lu
2024-08-19 9:27 ` [RFC 4/7] vhost: Add the vhost_worker to support kthread Cindy Lu
2024-08-19 9:27 ` [RFC 5/7] vhost: Add the cgroup related function Cindy Lu
2024-08-19 9:27 ` [RFC 6/7] vhost: Add kthread support in function vhost_worker_create Cindy Lu
2024-08-19 9:27 ` [RFC 7/7] vhost: Add new UAPI to support changing Kthread mode Cindy Lu
2024-08-21 5:06 ` Christoph Hellwig
2024-08-25 13:51 ` Cindy Lu
2024-08-26 6:21 ` Jason Wang
2024-08-26 6:26 ` Christoph Hellwig [this message]
2024-08-27 2:09 ` Jason Wang
2024-08-27 2:30 ` Jason Wang
2024-08-27 2:32 ` Jason Wang
2024-08-28 9:46 ` Cindy Lu
2024-08-27 2:36 ` Jason Wang
2024-08-27 2:35 ` [RFC 0/7] vhost: Add support of kthread API Jason Wang
2024-08-28 9:47 ` Cindy Lu
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