[PATCH v3 00/11] Symbol Namespaces
Greg KH
gregkh at linuxfoundation.org
Wed Aug 21 23:37:37 AEST 2019
On Wed, Aug 21, 2019 at 08:46:47AM -0400, Nicolas Pitre wrote:
> On Wed, 21 Aug 2019, Matthias Maennich wrote:
>
> > As of Linux 5.3-rc5, there are 31205 [1] exported symbols in the kernel.
> > That is a growth of roughly 1000 symbols since 4.17 (30206 [2]). There
> > seems to be some consensus amongst kernel devs that the export surface
> > is too large, and hard to reason about.
>
> This is good work.
>
> One solution for drastically reducing the effective export surface is to
> have CONFIG_TRIM_UNUSED_KSYMS=y. This is more extreme than symbol
> namespace, but might be worth mentioning nevertheless.
Oh that's amazing, I never noticed that feature. That is a nice thing,
thanks for pointing it out.
greg k-h
More information about the openbmc
mailing list