On Fri, 11 Sep 2009 12:20:47 pm Siarhei Liakh wrote:
> +/*
> + * LKM RO/NX protection: protect module's text/ro-data
> + * from modification and any data from execution.
> + */
> +static void set_section_ro_nx(void *base,
> + unsigned long text_size,
> + unsigned long ro_size,
> + unsigned long total_size)
> +{
> +#ifdef CONFIG_X86
This is usually considered a bad idea. Make a new config option,
CONFIG_HAVE_SET_MEMORY_PROTECTION, select it in arch/x86/Kconfig.
Then wrap the entire functions in one #ifdef CONFIG_HAVE_....
and put empty versions in the #else.
Thanks,
Rusty.
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