linux-kernel - Re: [PATCH v7] numa: make node_to_cpumask_map() NUMA_NO

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Date:   Wed, 30 Oct 2019 08:28:31 -0400
From:   Qian Cai <cai@....pw>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Michal Hocko <mhocko@...nel.org>,
        Yunsheng Lin <linyunsheng@...wei.com>, catalin.marinas@....com,
        will@...nel.org, mingo@...hat.com, bp@...en8.de, rth@...ddle.net,
        ink@...assic.park.msu.ru, mattst88@...il.com,
        benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
        heiko.carstens@...ibm.com, gor@...ux.ibm.com,
        borntraeger@...ibm.com, ysato@...rs.sourceforge.jp,
        dalias@...c.org, davem@...emloft.net, ralf@...ux-mips.org,
        paul.burton@...s.com, jhogan@...nel.org, jiaxun.yang@...goat.com,
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        linux-acpi@...r.kernel.org
Subject: Re: [PATCH v7] numa: make node_to_cpumask_map() NUMA_NO_NODE aware



> On Oct 30, 2019, at 6:28 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> 
> It only makes 'wild' guesses when the BIOS is shit and it complains
> about that.
> 
> Or do you like you BIOS broken?

Agree. It is the garbage in and garbage out. No need to complicate the existing code further.