Re: Request for inclusion of 7180dddf7c32c49975c7e7babf2b60ed450cb760 into 4.1 and 3.18

[Luis Henriques <luis.henriques@canonical.com>]

On Tue, Oct 13, 2015 at 02:51:21PM +0200, Thomas Renninger wrote:
> Hi,
> 
> while double checking whether this on is needed for 3.12 (which it is not),
> I realized that this easy patch, fixing a potential divide by zero bug,
> patches nicely with only line offset into 4.1 and 3.18 latest stable kernel
> branches.
> 
> So you might want to consider taking this one.
>

With some context adjustment, I am also picking it for the 3.16 kernel.

(I'm actually also picking fa30dff9a81e ("cpufreq: intel_pstate: Remove
unnecessary type casting in div_s64() call").)

Cheers,
--
Lu�s


> commit 7180dddf7c32c49975c7e7babf2b60ed450cb760
> Author: Prarit Bhargava <prarit@redhat.com>
> Date:   Mon Jun 15 13:43:29 2015 -0400
> 
>     intel_pstate: Fix overflow in busy_scaled due to long delay
>     
>     The kernel may delay interrupts for a long time which can result in timers
>     being delayed. If this occurs the intel_pstate driver will crash with a
>     divide by zero error:
>     
>     divide error: 0000 [#1] SMP
> ...
> --
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