Re: [PATCH v2 09/12] NTB: Introduce MSI library

2019-03-06 Thread Serge Semin
On Wed, Mar 06, 2019 at 02:35:53PM -0700, Logan Gunthorpe wrote: > > > On 2019-03-06 1:26 p.m., Serge Semin wrote: > > First of all, It might be unsafe to have some resources consumed by NTB > > MSI or some other library without a simple way to warn NTB client drivers > > about their attempts to

Re: [PATCH v2 09/12] NTB: Introduce MSI library

2019-03-06 Thread Logan Gunthorpe
On 2019-03-06 1:26 p.m., Serge Semin wrote: > First of all, It might be unsafe to have some resources consumed by NTB > MSI or some other library without a simple way to warn NTB client drivers > about their attempts to access that resources, since it might lead to random > errors. When I though

Re: [PATCH v2 09/12] NTB: Introduce MSI library

2019-03-06 Thread Serge Semin
On Wed, Feb 13, 2019 at 10:54:51AM -0700, Logan Gunthorpe wrote: Hi > The NTB MSI library allows passing MSI interrupts across a memory > window. This offers similar functionality to doorbells or messages > except will often have much better latency and the client can > potentially use significan

[PATCH v2 09/12] NTB: Introduce MSI library

2019-02-13 Thread Logan Gunthorpe
The NTB MSI library allows passing MSI interrupts across a memory window. This offers similar functionality to doorbells or messages except will often have much better latency and the client can potentially use significantly more remote interrupts than typical hardware provides for doorbells. (Whic