Re: [PATCH] x86: Add check for number of available vectors beforeCPU down [v3]

From: Andi Kleen
Date: Fri Dec 20 2013 - 17:56:48 EST


On Fri, Dec 20, 2013 at 10:50:09AM -0500, Prarit Bhargava wrote:
> I tested across various systems with both the linux.git and linux-next.git
> trees and do not see any false positives. The patch behaves as expected on
> a system with 590 IRQs allocated at boot time; the system refuses to down cpu
> 62.

I read the patch and it looks good to me

I haven't double checked, but I'm assuming the hot plug locks are held
while you are doing this.

Reviewed-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

-Andi
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