Messages in this thread | | | Date | Wed, 14 Dec 2011 22:57:28 +0000 | From | Matthew Garrett <> | Subject | Re: [PATCH 3/4] EFI: Add support for variables longer than 1024 bytes |
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On Wed, Dec 14, 2011 at 02:44:34PM -0800, H. Peter Anvin wrote: > On 12/14/2011 02:39 PM, Matthew Garrett wrote: > >> What are your thoughts on _not_ wrapping efi_variable with > >> extended_efi_variable, and instead just using a > >> "internal_efi_variable" structure that we copy stuff into/outof. I > >> think that would make the memory management for dealing with the > >> different sizes a lot easier to follow. > > > > Hm. I think that'd only work if we expose a new interface. Writes would > > be easy enough to handle, but reads still need to work for old apps. > > > > Would making the old ABI readonly and add a new write interface resolve > the problem with compat mode?
Yes, but we'd break existing userspace.
-- Matthew Garrett | mjg59@srcf.ucam.org
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