[PATCH 3/4] exit_thread: accept a task parameter to be exited

[Russell King - ARM Linux]

On Thu, Mar 24, 2016 at 01:58:13PM +0100, Jiri Slaby wrote:
> We need to call exit_thread from copy_process in a fail path.  So make
> it accept task_struct as a parameter.

Hmm, so what this means is that exit_thread() can now be called for
threads which are not running on the CPU.  So, I think the comment
in arch/arm/vfp/vfpmodule.c needs to be updated:

 *  THREAD_NOTIFY_EXIT
 *   - the thread (v) will be running on the local CPU, so
 *      v === current_thread_info()

along with this change, since that becomes false.

The code, however, looks like it'll cope just fine with that being
false, as will the other users of THREAD_NOTIFY_EXIT in ARM.

Thanks.

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