Messages in this thread | | | Date | Tue, 24 Jul 2012 22:26:16 +0100 | From | Matthew Garrett <> | Subject | Re: [RFC][PATCH v2 2/3] Hold multiple logs |
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On Tue, Jul 24, 2012 at 09:12:25PM +0000, Luck, Tony wrote: > > I think we inevitably lose in that scenario. I'd need to verify, but my > > recollection is that overwriting existing variables may be equivalent to > > a delete/create cycle. > > This would mean that EFI really wants the OS to treat EFI variables as pretty much > exclusively read-only. Any activity which periodically updates a variable would > eventually run into problems in an EFI implementation that loses the old space > until a reset.
Sure. I'll test with a few implementations and see what I can figure out. We may just want to reserve some space for pstore, then have delete in pstore simply map to hiding the entries rather than deleting them.
-- Matthew Garrett | mjg59@srcf.ucam.org
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