Re: [PATCH 3.10 005/103] irqchip: Gic: Support forced affinity setting

From: Mark Brown
Date: Mon Jun 23 2014 - 07:18:36 EST


On Thu, Jun 05, 2014 at 11:05:24AM -0700, Greg Kroah-Hartman wrote:
> On Thu, Jun 05, 2014 at 05:05:00PM +0100, Mark Rutland wrote:

> > This patch alone has the possiblity of breaking CPU hotplug on arm and
> > arm64 (specifically it breaks hot unplugging CPU0 where interrupts may
> > be left targetting the offline CPU).

...

> > Unfortunately there is not an equivalent fix for arm - Russell objected
> > to the approach [2,3,4], and that's not yet settled.

> Ok, be sure to cc: stable on the patch when it goes into the tree and
> I'll pick it up then.

Sadly that fix still hasn't materialised so stable remains broken for
ARM. The discussion was restarted on Friday but Russell is looking to
Thomas for input.

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