Re: [PATCH V3] sparc64: sparse irq

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David Miller wrote:	[Thu Sep 25 2014, 12:42:54PM EDT]
> From: Bob Picco <bpicco@xxxxxxxxxx>
> Date: Thu, 25 Sep 2014 12:20:05 -0400
> 
> > Yes this issue actually came up indirectly yesterday. Some T4-X will have
> > legacy sysino and some cookie. Though I've never seen a T4-X with cookie.
> > For example an older T4 with older HV firmware has this:
> 
> Ok.  Presumably, these systems support major==2 HV_GRP_IRQ.  Even back
> to Huron and Ontario hypervisors I see major==2 support present.
> 
> > [root@ca-qasparc14 bugdb-19677751.d]# dmesg | grep hv_error
> > [    0.000000] irq_group_hv.129 hv_error = -22 major = 3
> > on an older kernel. I totally forgot about this issue.
> > 
> > You might have additional feedback. So please let me know whether you'd like
> > another version of the patch.
> 
> If we agree about the log message, I can just kill it off myself when
> applying your patch.
We agree.
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