Messages in this thread | | | Date | Mon, 7 Nov 2011 21:23:28 +0000 | From | Matthew Garrett <> | Subject | Re: [PATCH v3] x86, efi: Calling __pa() with an ioremap'd address is invalid |
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On Mon, Nov 07, 2011 at 01:20:45PM -0800, H. Peter Anvin wrote: > On 11/07/2011 01:07 PM, Matthew Garrett wrote: > >> > >> I know we need to be able to pass the initramfs in memory; anything else > >> we need other than the normal EFI executable entry conditions? > > > > If we're called before ExitBootServices(), no. If we're called after, > > we'll need the map from GetMemoryMap(). There's some other things that > > we may want to pass, such as option ROMs that we can get from firmware > > but which may not otherwise be mapped - I guess those could arguably be > > passed in the initramfs. > > > > No, we should be called before ExitBootServices(), obviously. < > That was a significant part of the point.
I know. But we also have to handle being called after ExitBootServices(). There are going to be people who don't want to deal with signing their kernel builds.
-- Matthew Garrett | mjg59@srcf.ucam.org
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