On 09/02/2014 11:31 PM, Alexei Starovoitov wrote: ...
+#ifdef CONFIG_DEBUG_SET_MODULE_RONX +static inline void bpf_prog_lock_ro(struct bpf_prog *fp) +{ + set_memory_ro((unsigned long)fp, fp->pages);since ronx are ifdef checked together, would probably make sense to set nx too?
In case of JITs, for example, we request pages that are PAGE_KERNEL_EXEC via module_alloc(), but here we only need PAGE_KERNEL. At least on x86_64, PAGE_NX is then set already. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
