Re: [RFC][PATCH v2 2/3] Hold multiple logs

[Matthew Garrett]

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@xxxxxxxxxxxxx
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