On Thu, Jun 12, 2025 at 2:20 PM Michael S. Tsirkin <mst@xxxxxxxxxx> wrote: > > On Mon, Jun 09, 2025 at 03:33:06PM +0800, Cindy Lu wrote: > > In this series, a new UAPI is implemented to allow > > userspace applications to configure their thread mode. > > > > Changelog v2: > > 1. Change the module_param's name to enforce_inherit_owner, and the default value is true. > > 2. Change the UAPI's name to VHOST_SET_INHERIT_FROM_OWNER. > > > > Changelog v3: > > 1. Change the module_param's name to inherit_owner_default, and the default value is true. > > 2. Add a structure for task function; the worker will select a different mode based on the value inherit_owner. > > 3. device will have their own inherit_owner in struct vhost_dev > > 4. Address other comments > > > > Changelog v4: > > 1. remove the module_param, only keep the UAPI > > 2. remove the structure for task function; change to use the function pointer in vhost_worker > > 3. fix the issue in vhost_worker_create and vhost_dev_ioctl > > 4. Address other comments > > > > Changelog v5: > > 1. Change wakeup and stop function pointers in struct vhost_worker to void. > > 2. merging patches 4, 5, 6 in a single patch > > 3. Fix spelling issues and address other comments. > > > > Changelog v6: > > 1. move the check of VHOST_NEW_WORKER from vhost_scsi to vhost > > 2. Change the ioctl name VHOST_SET_INHERIT_FROM_OWNER to VHOST_FORK_FROM_OWNER > > 3. reuse the function __vhost_worker_flush > > 4. use a ops sturct to support worker relates function > > 5. reset the value of inherit_owner in vhost_dev_reset_owner. > > > > Changelog v7: > > 1. add a KConfig knob to disable legacy app support > > 2. Split the changes into two patches to separately introduce the ops and add kthread support. > > 3. Utilized INX_MAX to avoid modifications in __vhost_worker_flush > > 4. Rebased on the latest kernel > > 5. Address other comments > > > > Changelog v8: > > 1. Rebased on the latest kernel > > 2. Address some other comments > > > > Changelog v9: > > 1. Rebased on the latest kernel. > > 2. Squashed patches 6‑7. > > 3. Squashed patches 2‑4. > > 4. Minor fixes in commit log > > > > Changelog v10: > > 1.Add support for the module_param. > > 2.Squash patches 3 and 4. > > 3.Make minor fixes in the commit log. > > 4.Fix the mismatched tabs in Kconfig. > > 5.Rebase on the latest kernel. > > > > Changelog v11: > > 1.make the module_param under Kconfig > > 2.Make minor fixes in the commit log. > > 3.change the name inherit_owner to fork_owner > > 4.add NEW ioctl VHOST_GET_FORK_FROM_OWNER > > 5.Rebase on the latest kernel > > > > Tested with QEMU with kthread mode/task mode/kthread+task mode > > > > Cindy Lu (3): > > vhost: Add a new parameter in vhost_dev to allow user select kthread > > vhost: Reintroduce kthread mode support in vhost > > vhost: Add configuration controls for vhost worker's mode > > > All of this should be squashed in a single patch. > Sure will do Thanks cindy > > > > drivers/vhost/Kconfig | 17 +++ > > drivers/vhost/vhost.c | 234 ++++++++++++++++++++++++++++++++++--- > > drivers/vhost/vhost.h | 22 ++++ > > include/uapi/linux/vhost.h | 25 ++++ > > 4 files changed, 280 insertions(+), 18 deletions(-) > > > > -- > > 2.45.0 >
