On Sat, May 31, 2025 at 05:57:26PM +0800, Cindy Lu wrote: > The vhost now uses vhost_task and workers as a child of the owner thread. > While this aligns with containerization principles, it confuses some > legacy userspace applications, therefore, we are reintroducing kthread > API support. > > Add a new module parameter to allow userspace to select behavior > between using kthread and task. > > By default, this parameter is set to true (task mode). This means the > default behavior remains unchanged by this patch. > > Signed-off-by: Cindy Lu <l...@redhat.com> > --- > drivers/vhost/vhost.c | 5 +++++ > drivers/vhost/vhost.h | 10 ++++++++++ > 2 files changed, 15 insertions(+) > > diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c > index 3a5ebb973dba..240ba78b1e3f 100644 > --- a/drivers/vhost/vhost.c > +++ b/drivers/vhost/vhost.c > @@ -41,6 +41,10 @@ static int max_iotlb_entries = 2048; > module_param(max_iotlb_entries, int, 0444); > MODULE_PARM_DESC(max_iotlb_entries, > "Maximum number of iotlb entries. (default: 2048)"); > +bool inherit_owner_default = true;
Hi Cindy, I don't mean to block progress of this patchset. But it looks like inherit_owner_default can be static. Flagged by Sparse. > +module_param(inherit_owner_default, bool, 0444); > +MODULE_PARM_DESC(inherit_owner_default, > + "Set task mode as the default(default: Y)"); ...
