On Tue, Jul 29, 2014 at 01:09:21PM -0400, Prarit Bhargava wrote:
> The current debug print in EFI does
>
> [ 0.000000] efi: mem84: type=3, attr=0xf, range=[0x00000000645b5000-0x00000000645fb000) (0MB)
>
> and rounds off the size to 0MB and isn't very useful. We should print this in
> Kib. After applying this patch we get better info with
>
> [ 0.000000] efi: mem84: type=3, attr=0xf, range=[0x00000000645b5000-0x00000000645fb000) (280kiB)
Turning this into kiB unconditionally won't always work ok:
First of all, there might be something which parses that output so I'd
make sure I'm not breaking that. Maybe fwts... Matt will know.
Then, I have an UEFI region which is > 13G:
[ 0.000000] efi: mem42: type=7, attr=0xf, range=[0x0000000100000000-0x0000000450000000) (13568MB)
With your patch it is even worse:
[ 0.000000] efi: mem42: type=7, attr=0xf, range=[0x0000000100000000-0x0000000450000000) (13893632kiB)
I'd guess you'll have to go all out and do this properly. :-)
Something like showing the highest unit which is still > 1. In the above
case, this should be (13GB) or maybe even introduce fractions.
Depends on how involved this output should be.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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