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 | mj...@srcf.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
