From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH v2 10/23] xen/arm: compile and run xenbus Date: Thu, 9 Aug 2012 12:54:24 -0400 Message-ID: <20120809165424.GA7220@phenom.dumpdata.com> References: <1344263246-28036-10-git-send-email-stefano.stabellini@eu.citrix.com> <20120807182157.GN15053@phenom.dumpdata.com> <50216228.7010407@tycho.nsa.gov> <50229B70.3090507@tycho.nsa.gov> <5022A303.709@tycho.nsa.gov> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Stefano Stabellini , Mukesh Rathor Cc: Daniel De Graaf , "linux-kernel@vger.kernel.org" , "xen-devel@lists.xensource.com" , Ian Campbell , "Tim (Xen.org)" , "linux-arm-kernel@lists.infradead.org" , "linaro-dev@lists.linaro.org" , "catalin.marinas@arm.com" , "arnd@arndb.de" List-Id: xen-devel@lists.xenproject.org > > Right, the original patch didn't break anything with PV domains. The case > > it doesn't handle is an HVM initial domain with an already-running > > Xenstore domain; I think this applies both to ARM and hybrid/PVH on x86. > > In that case, usage would be set to LOCAL instead of HVM. > > > Right, however if I am not mistaken there is no such thing as an HVM > dom0 right now on x86 and hybrid/PVH is probably going to return true on > xen_pv_domain() and false on xen_hvm_domain(). The other way around. HVM = true, PV = false. Mukesh, correct me if I am wrong pls. > > In the ARM case, given that we don't have a start_info page, we would > need another way to figure out whether a xenstore stub domain is already > running, so I think we can just postpone the solution of that problem > for now.