Re: [RFC PATCH 0/2] efi: add contents of LinuxExtraArgs EFI var to command line

2018-07-13 Thread Ian Campbell
On Fri, 2018-07-13 at 08:15 +0200, Ard Biesheuvel wrote: > I still think we should not be using DMI, though. Would a quirk be acceptable if keyed on something other than DMI? Are there some other options, perhaps some property of the ACPI tables proper? Something which can be queried from UEFI

Re: [RFC PATCH 0/2] efi: add contents of LinuxExtraArgs EFI var to command line

2018-07-12 Thread Ian Campbell
On Thu, 2018-07-12 at 18:01 +0100, Will Deacon wrote: On Wed, Jul 04, 2018 at 05:49:17PM +0200, Ard Biesheuvel wrote: > >Especially for UEFI systems, if upgrading > > firmware is a reasonable prerequisite for being able to upgrade to the > > latest Is it?

Re: [PATCH] efi/libstub/fdt: Standardize the names of EFI stub parameters

2015-09-14 Thread Ian Campbell
On Mon, 2015-09-14 at 11:43 +0200, Ard Biesheuvel wrote: > Xen will not boot the kernel via the stub, but directly. It needs to > supply a EFI like environment so that the kernel can boot via ACPI. > There is no reason whatsoever to mock up boot services or other pieces > of UEFI functionality

Re: [PATCH] efi/libstub/fdt: Standardize the names of EFI stub parameters

2015-09-14 Thread Ian Campbell
On Mon, 2015-09-14 at 12:02 +0200, Ard Biesheuvel wrote: > On 14 September 2015 at 11:57, Ian Campbell <ian.campb...@citrix.com> wrote: > > > or SetVirtualAddressMap/ConvertPointer, and > > > > These two are RTS, so in principal it could. > > > > (I'm n

Re: [PATCH] efi/libstub/fdt: Standardize the names of EFI stub parameters

2015-09-11 Thread Ian Campbell
On Thu, 2015-09-10 at 17:10 +0100, Stefano Stabellini wrote: > > C) When you could go: > > > >DT -> Discover Xen -> Xen-specific stuff -> Xen-specific EFI/ACPI > > discovery > > I take you mean discovering Xen with the usual Xen hypervisor node on > device tree. There may be other options,

Re: [Xen-devel] [PATCH] efi/libstub/fdt: Standardize the names of EFI stub parameters

2015-09-10 Thread Ian Campbell
On Thu, 2015-09-10 at 13:15 +0100, Mark Rutland wrote: > > In any case this should be separate from the shim ABI discussion. > > I disagree; I think this is very much relevant to the ABI discussion. > That's not to say that I insist on a particular approach, but I think > that they need to be

Re: [Xen-devel] [PATCH] efi/libstub/fdt: Standardize the names of EFI stub parameters

2015-09-10 Thread Ian Campbell
On Thu, 2015-09-10 at 07:08 -0600, Jan Beulich wrote: > > > > On 10.09.15 at 14:58, wrote: > > On Thu, 2015-09-10 at 13:15 +0100, Mark Rutland wrote: > > > > > > In any case this should be separate from the shim ABI discussion. > > > > > > I disagree; I think this is