# Re: \[PATCH 20/40\] mn10300: Use set\_current\_blocked() and block\_sigmask()

- From: David Howells \<dhowells@redhat.com\>
- Date: 2012-02-14 18:30:34 
- List: linux-arch
- Page: https://ratatoskr.run/linux-arch/2012/02/3822401
- Thread: https://ratatoskr.run/linux-arch/2012/02/3822231/t.md

```text

Matt Fleming [ref] wrote:

> > Can this line create a race, now that it's not protected by a lock?  It is
> > possible for current->blocked to get altered by another thread.
> 
> ->blocked can only ever be altered by current, not another thread. See
> the following comment from sigprocmask() in kernel/signal.c,

Okay, I've managed to convince myself.  Feel free to my Acked-by to the
MN10300 and FRV patches.

David
```