David Miller wrote: [Thu Sep 25 2014, 01:34:20PM EDT] > From: Bob Picco <bpicco@xxxxxxxxxx> > Date: Thu, 25 Sep 2014 13:14:18 -0400 > > > David Miller wrote: [Thu Sep 25 2014, 12:35:20PM EDT] > >> From: Bob Picco <bpicco@xxxxxxxxxx> > >> Date: Wed, 17 Sep 2014 15:31:28 -0400 > >> > >> Major version 2 of HV_GRP_INTR was meant to behave the way that > >> you say major version 3 does. > > This is what I recall but could be incorrect. > > I an attempt to test this, I'm using your patch but I modified it > to negotiate HV_GRP_INTR major==2 and then use the cookie only > routines if that succeeded. > > The negotiation of major==2 works, but hv calls fail with EINVAL and > other strange things. > > Trying to investigate further, because making this work with major==2 > would be great because we could avoid the ivector table allocation > on even more machines. Now that I understand your motivation. Okay. I just looked quickly at the current specification for UltraSPARC Virtualization which possibly isn't publicly available. For Group HV_GRP_INTR 1.X and 3.X are supported. 2.X was declared broken. This I didn't have accessible to me at the time of debug. Also one needs to read with extreme caution. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
