Date: Wed, 28 Aug 2013 11:28:54 -0700 From: Colin Percival <cperciva@freebsd.org> To: =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com> Cc: "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org> Subject: Re: CFT: replacing XENHVM kernel config with GENERIC + xenhvm.ko Message-ID: <521E4166.10703@freebsd.org> In-Reply-To: <521E1AF7.8070905@citrix.com> References: <521C3452.8080209@freebsd.org> <521E1AF7.8070905@citrix.com>
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Hi Roger,=0D =0D On 08/28/13 08:44, Roger Pau Monn=E9 wrote:=0D > On 27/08/13 07:08, Colin Percival wrote:=0D >> I've attached a patch which eliminates the XENHVM kernel configuration a= nd=0D >> instead allows FreeBSD to run under Xen/HVM with PV drivers by loading a= =0D >> new xenhvm.ko module from the boot loader.=0D > =0D > I'm sorry to say this, but I'm not sure this is the best way to move=0D > forward, I would prefer to just have the files merged directly into the= =0D > GENERIC kernel rather than having to load a module. Also with the PVHVM= =0D > changes I've posted earlier I'm modifying some common files, which=0D > cannot be put into a module, so it makes me wonder if it's worth it to=0D > have some Xen specific code into a module while the rest of it is=0D > already integrated into GENERIC.=0D =0D Are your changes going to be integrated into HEAD in time for 10.0-RELEASE?= =0D (i.e., before the code freeze starts, 10 days from now?)=0D =0D I don't care about the "module" bit; the important part to me is getting=0D rid of the XENHVM kernel configuration file so that the GENERIC kernel whic= h=0D ships with the release (with or without modules) will be able to run on EC2= .=0D =0D The reason I opted for a module was that with the freeze being under two=0D weeks away this was a way to ensure that the HVM bits couldn't possibly=0D cause problems for !Xen systems.=0D =0D -- =0D Colin Percival=0D Security Officer Emeritus, FreeBSD | The power to serve=0D Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid= =0D
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