[PATCH 2/2] binder: implement namepsace support for Android binder driver

[Stefan Beller]

>  #include <linux/uaccess.h>
>  #include <linux/vmalloc.h>
>  #include <linux/slab.h>
> +#include <linux/ipc_namespace.h>
>  #include <linux/pid_namespace.h>
>  
>  #include "binder.h"
>  #include "binder_trace.h"
>  
> +/*
> + * Using a private context manager for each binder namespace is sufficient
> + * to isolate between namespaces, because in binder all IPC must be realized
> + * via hanldes obtained from the context manager.

handles

> + *
> + * TODO: currently, most debugfs data is not tracked per binder namespaces.
> + * Except for "procs" which are properly virtualized, everything else is
> + * global, including stats, logs, and dead nodes.
> + */
> +struct binder_namespace {
> +	struct kref kref;
> +
> +	struct binder_node *context_mgr_node;
> +	kuid_t context_mgr_uid;
> +	int last_id;