search for: lingshan

Displaying 20 results from an estimated 161 matches for "lingshan".

2020 Jun 02
2
[PATCH] vdpa: bypass waking up vhost_woker for vdpa vq kick
Hi Zhu, url: https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vdpa-bypass-waking-up-vhost_woker-for-vdpa-vq-kick/20200526-133819 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next config: x86_64-randconfig-m001-20200529 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 If you fix the issue, kindly add following tag a...
2020 Jun 02
2
[PATCH] vdpa: bypass waking up vhost_woker for vdpa vq kick
Hi Zhu, url: https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vdpa-bypass-waking-up-vhost_woker-for-vdpa-vq-kick/20200526-133819 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next config: x86_64-randconfig-m001-20200529 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 If you fix the issue, kindly add following tag a...
2020 Jun 02
0
[PATCH] vdpa: bypass waking up vhost_woker for vdpa vq kick
On 2020/6/2 ??5:42, Dan Carpenter wrote: > Hi Zhu, > > url: https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vdpa-bypass-waking-up-vhost_woker-for-vdpa-vq-kick/20200526-133819 > base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next > config: x86_64-randconfig-m001-20200529 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 > > If you fix the issue, ki...
2020 Sep 09
0
[PATCH] vhost: new vhost_vdpa SET/GET_BACKEND_FEATURES handlers
Hi Zhu, url: https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vhost-new-vhost_vdpa-SET-GET_BACKEND_FEATURES-handlers/20200909-115726 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next config: parisc-randconfig-m031-20200909 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag...
2020 Jul 16
2
[PATCH 0/7] *** IRQ offloading for vDPA ***
On 2020/7/16 ??12:13, Zhu, Lingshan wrote: > > > On 7/16/2020 12:02 PM, Jason Wang wrote: >> >> On 2020/7/16 ??11:59, Zhu, Lingshan wrote: >>> >>> On 7/16/2020 10:59 AM, Jason Wang wrote: >>>> >>>> On 2020/7/16 ??9:39, Zhu, Lingshan wrote: >>>>> >>&gt...
2020 Jul 16
2
[PATCH 0/7] *** IRQ offloading for vDPA ***
On 2020/7/16 ??12:13, Zhu, Lingshan wrote: > > > On 7/16/2020 12:02 PM, Jason Wang wrote: >> >> On 2020/7/16 ??11:59, Zhu, Lingshan wrote: >>> >>> On 7/16/2020 10:59 AM, Jason Wang wrote: >>>> >>>> On 2020/7/16 ??9:39, Zhu, Lingshan wrote: >>>>> >>&gt...
2020 Jul 15
2
[PATCH 6/7] ifcvf: replace irq_request/free with helpers in vDPA core.
On 2020/7/13 ??6:22, Zhu, Lingshan wrote: > > > On 7/13/2020 4:33 PM, Jason Wang wrote: >> >> On 2020/7/12 ??10:49, Zhu Lingshan wrote: >>> This commit replaced irq_request/free() with helpers in vDPA >>> core, so that it can request/free irq and setup irq offloading >>> on order. >...
2020 Jul 15
2
[PATCH 6/7] ifcvf: replace irq_request/free with helpers in vDPA core.
On 2020/7/13 ??6:22, Zhu, Lingshan wrote: > > > On 7/13/2020 4:33 PM, Jason Wang wrote: >> >> On 2020/7/12 ??10:49, Zhu Lingshan wrote: >>> This commit replaced irq_request/free() with helpers in vDPA >>> core, so that it can request/free irq and setup irq offloading >>> on order. >...
2023 Jun 30
2
[PATCH] vp_vdpa: synchronize irq when free irq
This commits synchronizes irqs when free them Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> Tested-by: Cindy Lu <lulu at redhat.com> --- drivers/vdpa/virtio_pci/vp_vdpa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index 281287fae89f..d8ee3e68cd2d 100644 --- a/drivers/v...
2020 Apr 09
2
[PATCH V9 9/9] virtio: Intel IFC VF driver for VDPA
On Thu, Mar 26, 2020 at 3:08 PM Jason Wang <jasowang at redhat.com> wrote: > > From: Zhu Lingshan <lingshan.zhu at intel.com> > > This commit introduced two layers to drive IFC VF: > > (1) ifcvf_base layer, which handles IFC VF NIC hardware operations and > configurations. > > (2) ifcvf_main layer, which complies to VDPA bus framework, > implemented device...
2023 Jun 30
1
[PATCH] vp_vdpa: synchronize irq when free irq
On Fri, Jun 30, 2023 at 10:37?AM Zhu Lingshan <lingshan.zhu at intel.com> wrote: > > This commits synchronizes irqs when free them Need to explain why it is needed. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > Tested-by: Cindy Lu <lulu at redhat.com> > --- > drivers/vdpa/virtio_pci/vp_...
2020 Jul 17
1
[PATCH V2 2/6] kvm: detect assigned device via irqbypass manager
On Thu, 16 Jul 2020 19:23:45 +0800 Zhu Lingshan <lingshan.zhu at intel.com> wrote: > vDPA devices has dedicated backed hardware like > passthrough-ed devices. Then it is possible to setup irq > offloading to vCPU for vDPA devices. Thus this patch tries to > manipulated assigned device counters via irqbypass manager. > >...
2020 Apr 26
1
[PATCH 1/2] vdpa: Support config interrupt in vhost_vdpa
On 2020/4/24 ??6:04, Zhu Lingshan wrote: > This commit implements config interrupt support in > vhost_vdpa layer. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> One should be sufficient. > --- > drivers/vhost/vdpa.c...
2020 Jul 12
3
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
On Sun, Jul 12, 2020 at 10:49:21PM +0800, Zhu Lingshan wrote: > We used to detect assigned device via VFIO manipulated device > conters. This is less flexible consider VFIO is not the only > interface for assigned device. vDPA devices has dedicated > backed hardware as well. So this patch tries to detect > the assigned device via irqbypa...
2020 Jul 12
3
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
On Sun, Jul 12, 2020 at 10:49:21PM +0800, Zhu Lingshan wrote: > We used to detect assigned device via VFIO manipulated device > conters. This is less flexible consider VFIO is not the only > interface for assigned device. vDPA devices has dedicated > backed hardware as well. So this patch tries to detect > the assigned device via irqbypa...
2020 Jul 12
1
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
On Sun, 12 Jul 2020 22:49:21 +0800 Zhu Lingshan <lingshan.zhu at intel.com> wrote: > We used to detect assigned device via VFIO manipulated device > conters. This is less flexible consider VFIO is not the only > interface for assigned device. vDPA devices has dedicated > backed hardware as well. So this patch tries to detect &...
2020 Jul 23
4
[PATCH 1/2] vdpa: ifcvf: return err when fail to request config irq
We ignore the err of requesting config interrupt, fix this. Fixes: e7991f376a4d ("ifcvf: implement config interrupt in IFCVF") Cc: Zhu Lingshan <lingshan.zhu at intel.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vdpa/ifcvf/ifcvf_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index f5a60c14b979..ae7110955a44 100644 --- a/dri...
2020 Jul 23
4
[PATCH 1/2] vdpa: ifcvf: return err when fail to request config irq
We ignore the err of requesting config interrupt, fix this. Fixes: e7991f376a4d ("ifcvf: implement config interrupt in IFCVF") Cc: Zhu Lingshan <lingshan.zhu at intel.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vdpa/ifcvf/ifcvf_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index f5a60c14b979..ae7110955a44 100644 --- a/dri...
2020 Jul 22
0
[PATCH V3 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 structur...
2019 Oct 23
0
[RFC 2/2] vhost: IFC VF vdpa layer
On 2019/10/23 ??2:19, Zhu, Lingshan wrote: > > On 10/22/2019 9:05 PM, Jason Wang wrote: >> >> On 2019/10/22 ??2:53, Zhu Lingshan wrote: >>> >>> On 10/21/2019 6:19 PM, Jason Wang wrote: >>>> >>>> On 2019/10/21 ??5:53, Zhu, Lingshan wrote: >>>>> >>>>...