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

From: Stefan Beller
Date: Sun Dec 22 2013 - 05:38:15 EST



> #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;

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