Re: [kernel-hardening] [PATCH 0/2] introduce post-init read-only memory

Clemens Ladisch
2015-11-25T10:06:45Z

Mathias Krause wrote:
> [...]
> So, prior extending the usage of the __read_only annotation some
> toolchain support is needed. Maybe a gcc plugin that'll warn/error on
> code that writes to such a variable but is not __init itself.

Or mark them as "const". This would require the initialization code to
cast it away, probably with a helper macro.

Regards,
Clemens