Re: [PATCH 09/18] staging/rdma/hfi1: Correctly limit VLs against SDMA engines

2015-11-19 Thread Greg KH
On Fri, Nov 13, 2015 at 07:37:07PM -0800, Jubin John wrote: > From: Dean Luick > > Correctly reduce the number of VLs when limited by the number > of SDMA engines. why? What does this "solve"? -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to m

RE: [PATCH 09/18] staging/rdma/hfi1: Correctly limit VLs against SDMA engines

2015-11-20 Thread Marciniszyn, Mike
> > From: Dean Luick > > > > Correctly reduce the number of VLs when limited by the number of SDMA > > engines. > > why? What does this "solve"? The hardware has multiple egress mechanisms, SDMA and pio, and multiples of those. These mechanisms are chosen using the VL (8) The fix corrects a