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Date: Tue, 23 Oct 2012 09:51:41 +0100 From: Ian Campbell <Ian.Campbell@...rix.com> To: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> CC: Stefano Stabellini <Stefano.Stabellini@...citrix.com>, "Xen-devel@...ts.xensource.com" <Xen-devel@...ts.xensource.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [Xen-devel] [PATCH V3 1/6]: PVH: basic and header changes, elfnote changes, ... On Fri, 2012-10-19 at 14:17 +0100, Konrad Rzeszutek Wilk wrote: > > > +config XEN_X86_PVH > > > + bool "Support for running as a PVH guest (EXPERIMENTAL)" > > > + depends on X86_64 && XEN && EXPERIMENTAL > > > + default n > > > + help > > > + This option enables support for running as a PVH guest (PV guest > > > + using hardware extensions) under a suitably capable hypervisor. > > > + This option is EXPERIMENTAL because the hypervisor interfaces > > > + which it uses are not yet considered stable therefore backwards and > > > + forwards compatibility is not yet guaranteed. If unsure, say N. > > > > Do we really need the kconfig symbol? Why can't we have it always > > Yes for right now. That is to make sure that we can test for regressions > PV guests on a hypervisor without PVH extensions - or vice-versa: > PVH hypervisors with an normal PV guest. Also the "depends on X86_64" bit is currently quite important... Ian. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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