linux-kernel - Re: [PATCH -next] arch_topology: Fix cache attributes detection in the CPU hotplug path

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Message-ID: <8146f6e0-0682-4876-95d0-01e99141330d@microchip.com>
Date:   Fri, 15 Jul 2022 09:16:05 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <sudeep.holla@....com>
CC:     <linux-kernel@...r.kernel.org>, <gregkh@...uxfoundation.org>,
        <vincent.guittot@...aro.org>, <dietmar.eggemann@....com>,
        <ionela.voinescu@....com>, <pierre.gondois@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH -next] arch_topology: Fix cache attributes detection in
 the CPU hotplug path

On 15/07/2022 10:11, Sudeep Holla wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Thu, Jul 14, 2022 at 04:10:36PM +0000, Conor.Dooley@...rochip.com wrote:
>> With the GFP_ATOMIC, behaviour is the same as before for me.
>>
> 
> So you still get -ENOMEM failure on your platform. It is fine, just that
> I am bit curious to know why as it succeeds at device_initcall later.
> I was hoping this might fix your memory allocation failure.

Correct. I have been staring at RISC-V init code the last days b/c of
another problem, I'll do a little more staring today and see if I can
figure out what's going on.

Thanks,
Conor.