ARM: smp: why don't eliminate warning "Unknown IPI message 0x1"?

Stephen Boyd sboyd at codeaurora.org
Tue Sep 18 13:33:21 EDT 2012


On 09/18/12 02:38, Russell King - ARM Linux wrote:
> On Tue, Sep 18, 2012 at 04:07:49PM +0800, 湛振波 wrote:
>> Russell King want people to move to SGI0 for this, so that we can have SGI1-N
>> as the proper IPIs, but now we can't do this, maybe we must wait for
>> so many years.
>> But, Do you think we can use a another way to resolve this problem,
>> because this warning message will oftenly appeare in products.
>>
>> We can't assume the fixed IPI number that can wakeup secondary cores.
>> "I'd much rather see platforms deciding whether they need to use SGI1
>> or whether they can switch to SGI0 instead."
> Why not just fix your platform to use SGI0.  I think we're _finally_
> there with everyone using SGI0, which means we can commit the patch
> which fixes this.
>

Yes. I'm going to put it in the patch tracker now.

https://patchwork.kernel.org/patch/1433931/

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