Re: [PATCH v7 04/14] tables.h: add linker table support

[Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>]

On Sun, Jan 15, 2017 at 01:10:47PM -0800, Luis R. Rodriguez wrote:
> A linker table is a data structure that is stitched together from items
> in multiple object files. Linux has historically implicitly used linker
> tables for ages, however they were all built in an adhoc manner which
> requires linker script modifications, per architecture. This adds a
> general linker table solution so that a new linker table can be
> implemented by changing C code only. The Linux linker table was
> inspired by Michael Brown's iPXE's linker table solution, it has been
> been completely re-written and adapted for integration and use on Linux.

Ok, I understand that, but then you say:

> The same philosophy is borrowed, extended and further simplified:

This line made no sense :(

> Linker tables enable an extremely light weight linker build time
> solution for feature ordering and selection, this can help to both
> simplify init sequences in a generic fashion and helps avoiding code
> bit-rotting when desirable. Further changes will be added later
> which will make more evident how code bit rot can be avoided using
> linker tables.

I have no idea why this is needed, nor what it means.  I fail to
understand the bit-rot reference.

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html