Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1329642

Re: [PATCH 5/6] create/adjust generated/expsyms.h

Show all headers | View raw

On Mon, Feb 08, 2016 at 03:28:34PM -0500, Nicolas Pitre wrote:
> Given the list of exported symbols needed by all modules, we can create
> a header file containing preprocessor defines for each of those symbols.
> Also, when some symbols are added and/or removed from the list, we can
> update the time on the corresponding files used as build dependencies for
> those symbols. And finally, if any symbol did change state, the
> corresponding source files must be rebuilt.
> 
> The insertion or removal of an EXPORT_SYMBOL() entry within a module may
> create or remove the need for another exported symbol.  This is why this
> operation has to be repeated until the list of needed exported symbols
> becomes stable. Only then the final kernel and modules link take place.

Could this magic with vmlinux_recursive have been implemented in a more
obvious way in link-vmlinux.sh?
One of the purposes with link-vmlinux.sh was to make the final link
stage more readable and this patch goes in the other direction.

	Sam

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH 5/6] create/adjust generated/expsyms.h Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-02-08 21:50 +0100
  Re: [PATCH 5/6] create/adjust generated/expsyms.h Sam Ravnborg <sam@ravnborg.org> - 2016-02-08 23:30 +0100
    Re: [PATCH 5/6] create/adjust generated/expsyms.h Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-02-08 23:50 +0100

csiph-web