# Re: \[PATCH\] powerpc/smp: Do not disable IPI interrupts during suspend

- From: Benjamin Herrenschmidt \<benh@kernel.crashing.org\>
- Date: 2012-09-13 22:11:53 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/09/3923121
- Thread: https://ratatoskr.run/linuxppc-dev/2012/07/3896451/t.md

```text
On Thu, 2012-09-13 at 13:16 -0500, Kumar Gala wrote:
> >> Yes, we disabled all non-boot CPUs on suspend by calling
> disable_nonboot_cpus().
> >> The disable_nonboot_cpus() needs IPIs to work. But prior to
> >> calling disable_nonboot_cpus(), the IPIs are disabled in
> dpm_suspend_noirq().

Sure, no biggie on this one, forgot to ack it, just stick my ack in and
put it in your tree.

Cheers,
Ben.
```