On Tue, Jun 28, 2016 at 01:34:07PM +0200, Emese Revfy wrote: > I would like to introduce the initify gcc plugin. The kernel already has > a mechanism to free up code and data memory that is only used during kernel > or module initialization. > This plugin will teach the compiler to find more such code and data that > can be freed after initialization. It reduces memory usage. > The initify gcc plugin can be useful for embedded systems. > > It is a CII project supported by the Linux Foundation. > > This plugin is the part of grsecurity/PaX. > > The plugin supports all gcc versions from 4.5 to 6.0. > > I made some changes on top of the PaX version (since March 6.). These are > the important ones: > * move all local strings to init.rodata.str and exit.rodata.str > (not just __func__) > * report all initified strings and functions > (GCC_PLUGIN_INITIFY_VERBOSE config option) > * automatically discover init/exit functions and apply the __init or > __exit attributes on them > > You can find more about the changes here: > https://github.com/ephox-gcc-plugins/initify > > This patch set is based on the "Add support for complex gcc plugins that > don't fit in a single file" patch set (git/kees/linux.git#kspp HEAD: > e5d4798b284cd192c8b). I was hoping to give this a spin on arm/arm64, but I couldn't find the prerequisite branch/tag/commit in that tree: https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git/commit/?id=e5d4798b284cd192c8b Where should I be looking? Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
