Add an EFI pstore backend

[Matthew Garrett]

EFI provides enough non-volatile storage to make it convenient for storing
crash dumps. Extend the pstore API a little to make it easier to handle
this, then add support to efivars. Some cleanup patches from Mike Waychison
then follow.

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