similar to: [PATCH V5 1/6] vhost: introduce vhost_vring_call

Please ignore this patchset incorrect metadata, will resend soon. Thanks! On 7/22/2020 5:49 PM, Zhu Lingshan wrote: > From: Zhu Lingshan <lingshan.zhu at intel.com> > > This commit introduces struct vhost_vring_call which replaced > raw struct eventfd_ctx *call_ctx in struct vhost_virtqueue. > Besides eventfd_ctx, it contains a spin lock and an > irq_bypass_producer in its

On Tue, Aug 04, 2020 at 04:53:39PM +0800, Jason Wang wrote: > > On 2020/8/4 ??4:42, Zhu, Lingshan wrote: > > > > > > On 8/4/2020 4:38 PM, Jason Wang wrote: > > > > > > On 2020/7/31 ??2:55, Zhu Lingshan wrote: > > > > This commit introduces struct vhost_vring_call which replaced > > > > raw struct eventfd_ctx *call_ctx in struct

On 2020/8/4 ??4:42, Zhu, Lingshan wrote: > > > On 8/4/2020 4:38 PM, Jason Wang wrote: >> >> On 2020/7/31 ??2:55, Zhu Lingshan wrote: >>> This commit introduces struct vhost_vring_call which replaced >>> raw struct eventfd_ctx *call_ctx in struct vhost_virtqueue. >>> Besides eventfd_ctx, it contains a spin lock and an >>> irq_bypass_producer

On 2020/8/4 ??4:42, Zhu, Lingshan wrote: > > > On 8/4/2020 4:38 PM, Jason Wang wrote: >> >> On 2020/7/31 ??2:55, Zhu Lingshan wrote: >>> This commit introduces struct vhost_vring_call which replaced >>> raw struct eventfd_ctx *call_ctx in struct vhost_virtqueue. >>> Besides eventfd_ctx, it contains a spin lock and an >>> irq_bypass_producer

On 2020/7/16 ??7:23, Zhu Lingshan wrote: > This commit introduces struct vhost_call_ctx which replaced > raw struct eventfd_ctx *call_ctx in struct vhost_virtqueue. > Besides eventfd_ctx, it contains a spin lock and an > irq_bypass_producer in its structure. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > Suggested-by: Jason Wang <jasowang at

On 2020/9/9 ??2:52, Zhu Lingshan wrote: > This commit removed unnecessary spin_locks in vhost_vring_call > and related operations. Because we manipulate irq offloading > contents in vhost_vdpa ioctl code path which is already > protected by dev mutex and vq mutex. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> Acked-by: Jason Wang <jasowang at

On 2020/8/4 ??5:21, Michael S. Tsirkin wrote: >>>>> ? +struct vhost_vring_call { >>>>> +??? struct eventfd_ctx *ctx; >>>>> +??? struct irq_bypass_producer producer; >>>>> +??? spinlock_t ctx_lock; >>>> It's not clear to me why we need ctx_lock here. >>>> >>>> Thanks >>> Hi Jason,

On 2020/8/4 ??5:21, Michael S. Tsirkin wrote: >>>>> ? +struct vhost_vring_call { >>>>> +??? struct eventfd_ctx *ctx; >>>>> +??? struct irq_bypass_producer producer; >>>>> +??? spinlock_t ctx_lock; >>>> It's not clear to me why we need ctx_lock here. >>>> >>>> Thanks >>> Hi Jason,

On 2020/8/5 ??1:49, Zhu, Lingshan wrote: > > > On 8/5/2020 10:16 AM, Jason Wang wrote: >> >> On 2020/8/4 ??5:21, Michael S. Tsirkin wrote: >>>>>>> ?? +struct vhost_vring_call { >>>>>>> +??? struct eventfd_ctx *ctx; >>>>>>> +??? struct irq_bypass_producer producer; >>>>>>> +??? spinlock_t

On Wed, Aug 05, 2020 at 10:16:16AM +0800, Jason Wang wrote: > > On 2020/8/4 ??5:21, Michael S. Tsirkin wrote: > > > > > > ? +struct vhost_vring_call { > > > > > > +??? struct eventfd_ctx *ctx; > > > > > > +??? struct irq_bypass_producer producer; > > > > > > +??? spinlock_t ctx_lock; > > > > > It's

On 2020/7/12 ??10:49, Zhu Lingshan wrote: > This patch introduce a set of functions for setup/unsetup > and update irq offloading respectively by register/unregister > and re-register the irq_bypass_producer. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vhost/vdpa.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file

On 2020/7/13 ??5:47, Zhu, Lingshan wrote: > > > On 7/13/2020 4:22 PM, Jason Wang wrote: >> >> On 2020/7/12 ??10:49, Zhu Lingshan wrote: >>> This patch introduce a set of functions for setup/unsetup >>> and update irq offloading respectively by register/unregister >>> and re-register the irq_bypass_producer. >>> >>> Signed-off-by:

On 2020/7/15 ??4:56, Zhu, Lingshan wrote: > > > On 7/15/2020 4:51 PM, Jason Wang wrote: >> >> On 2020/7/13 ??5:47, Zhu, Lingshan wrote: >>> >>> >>> On 7/13/2020 4:22 PM, Jason Wang wrote: >>>> >>>> On 2020/7/12 ??10:49, Zhu Lingshan wrote: >>>>> This patch introduce a set of functions for setup/unsetup

On 2020/9/22 ??2:23, Mike Christie wrote: > This adds a helper check if a vq has been setup. The next patches > will use this when we move the vhost scsi cmd preallocation from per > session to per vq. In the per vq case, we only want to allocate cmds > for vqs that have actually been setup and not for all the possible > vqs. > > Signed-off-by: Mike Christie

On 2020/9/24 ??3:12, Mike Christie wrote: > On 9/21/20 9:02 PM, Jason Wang wrote: >> On 2020/9/22 ??2:23, Mike Christie wrote: >>> This adds a helper check if a vq has been setup. The next patches >>> will use this when we move the vhost scsi cmd preallocation from per >>> session to per vq. In the per vq case, we only want to allocate cmds >>> for vqs

On 2020/7/16 ??7:23, Zhu Lingshan wrote: > This patch introduce a set of functions for setup/unsetup > and update irq offloading respectively by register/unregister > and re-register the irq_bypass_producer. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > Suggested-by: Jason Wang <jasowang at redhat.com> > --- > drivers/vhost/Kconfig | 1 + >

On 2020/7/31 ??2:55, Zhu Lingshan wrote: > This patch introduce a set of functions for setup/unsetup > and update irq offloading respectively by register/unregister > and re-register the irq_bypass_producer. > > With these functions, this commit can setup/unsetup > irq offloading through setting DRIVER_OK/!DRIVER_OK, and > update irq offloading through SET_VRING_CALL. >

On 2020/8/4 ??5:31, Zhu, Lingshan wrote: > > > On 8/4/2020 4:51 PM, Jason Wang wrote: >> >> On 2020/7/31 ??2:55, Zhu Lingshan wrote: >>> This patch introduce a set of functions for setup/unsetup >>> and update irq offloading respectively by register/unregister >>> and re-register the irq_bypass_producer. >>> >>> With these

On Tue, Aug 04, 2020 at 05:31:38PM +0800, Zhu, Lingshan wrote: > > On 8/4/2020 4:51 PM, Jason Wang wrote: > > > On 2020/7/31 ??2:55, Zhu Lingshan wrote: > > This patch introduce a set of functions for setup/unsetup > and update irq offloading respectively by register/unregister > and re-register the irq_bypass_producer. > >

On 2020/7/28 ??12:24, Zhu Lingshan wrote: > This patch introduce a set of functions for setup/unsetup > and update irq offloading respectively by register/unregister > and re-register the irq_bypass_producer. > > With these functions, this commit can setup/unsetup > irq offloading through setting DRIVER_OK/!DRIVER_OK, and > update irq offloading through SET_VRING_CALL. >