Messages in this thread | | | Date | Wed, 1 Feb 2012 11:09:41 +0000 | From | Stefano Stabellini <> | Subject | Re: [Xen-devel] [PATCH] xen pvhvm: do not remap pirqs onto evtchns if !xen_have_vector_callback |
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On Wed, 1 Feb 2012, Konrad Rzeszutek Wilk wrote: > On Tue, Jan 31, 2012 at 04:40:26PM +0000, Stefano Stabellini wrote: > > On Tue, 31 Jan 2012, Konrad Rzeszutek Wilk wrote: > > > On Mon, Jan 30, 2012 at 02:31:46PM +0000, Stefano Stabellini wrote: > > > > > > > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > > > > > > So the xen_have_vector_callback looks to be only set by > > > > > > 1398 if (xen_feature(XENFEAT_hvm_callback_vector)) > > > 1399 xen_have_vector_callback = 1; > > > > > > So could this be just done via a check for that instead? > > > > > > > Sure, but I don't think it would be better: using > > xen_have_vector_callback is more consistent and give us the flexibility > > of allowing users to manually override it in the future. > > ok. applied. Hm, I was thinking to put on stable@kernel.org - but how > far back should it go? 2.6.37?
Yes, I think is 2.6.37 when we introduced using XENFEAT_hvm_pirqs.
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