search for: wangrong68

On Fri, Feb 17, 2023 at 8:15 AM Jason Gunthorpe <jgg at nvidia.com> wrote: > > On Tue, Feb 07, 2023 at 08:08:43PM +0800, Nanyong Sun wrote: > > From: Rong Wang <wangrong68 at huawei.com> > > > > Once enable iommu domain for one device, the MSI > > translation tables have to be there for software-managed MSI. > > Otherwise, platform with software-managed MSI without an > > irq bypass function, can not get a correct memory write event &...

On Fri, Feb 17, 2023 at 01:35:59PM +0800, Jason Wang wrote: > On Fri, Feb 17, 2023 at 8:15 AM Jason Gunthorpe <jgg at nvidia.com> wrote: > > > > On Tue, Feb 07, 2023 at 08:08:43PM +0800, Nanyong Sun wrote: > > > From: Rong Wang <wangrong68 at huawei.com> > > > > > > Once enable iommu domain for one device, the MSI > > > translation tables have to be there for software-managed MSI. > > > Otherwise, platform with software-managed MSI without an > > > irq bypass function, can not get a cor...

...t;jgg at nvidia.com> wrote: > > On Fri, Feb 17, 2023 at 05:12:29AM -0500, Michael S. Tsirkin wrote: > > On Thu, Feb 16, 2023 at 08:14:50PM -0400, Jason Gunthorpe wrote: > > > On Tue, Feb 07, 2023 at 08:08:43PM +0800, Nanyong Sun wrote: > > > > From: Rong Wang <wangrong68 at huawei.com> > > > > > > > > Once enable iommu domain for one device, the MSI > > > > translation tables have to be there for software-managed MSI. > > > > Otherwise, platform with software-managed MSI without an > > > > irq bypass fu...

? 2023/2/7 20:08, Nanyong Sun ??: > From: Rong Wang <wangrong68 at huawei.com> > > Once enable iommu domain for one device, the MSI > translation tables have to be there for software-managed MSI. > Otherwise, platform with software-managed MSI without an > irq bypass function, can not get a correct memory write event > from pcie, will not g...