[syslinux] [PATCH 2/2] core: Fix stack overflow when reloading config

[H. Peter Anvin]

On 01/21/16 18:33, Celelibi wrote:
> 
> BTW, this code is due to Matt Flemming with commit 3a316db1 (later
> modified). The commit log say this:
>     ldlinux: Loading a config file should cause re-initialisation
> 
>     There are a number of initialisation steps that need to be performed
>     *every* time a config file is loaded. Reload ldlinux.c32 so that we
>     can re-initialise the environment whenever a new config file is
>     loaded. This involves unloading all the modules that have been loaded
>     since ldlinux.c32. Luckily the list of loaded modules is sorted by
>     load order, which means it's trivial to "pop" them from the front of
>     the list.
>

Yes, it is the easy way to initialize.  Part of me wonders if we should
keep a copy of the data section and just wipe it out.

	-hpa