linux-kernel - Re: [PATCH v2 06/10] powerpc/smp: Generalize 2nd sched domain

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Message-ID: <20200722085411.GI43129@hirez.programming.kicks-ass.net>
Date:   Wed, 22 Jul 2020 10:54:11 +0200
From:   peterz@...radead.org
To:     Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:     Michael Ellerman <michaele@....ibm.com>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Valentin Schneider <valentin.schneider@....com>,
        Nick Piggin <npiggin@....ibm.com>,
        Oliver OHalloran <oliveroh@....ibm.com>,
        Nathan Lynch <nathanl@...ux.ibm.com>,
        Michael Neuling <mikey@...ux.ibm.com>,
        Anton Blanchard <anton@....ibm.com>,
        Gautham R Shenoy <ego@...ux.vnet.ibm.com>,
        Vaidyanathan Srinivasan <svaidy@...ux.ibm.com>,
        Jordan Niethe <jniethe5@...il.com>
Subject: Re: [PATCH v2 06/10] powerpc/smp: Generalize 2nd sched domain

On Wed, Jul 22, 2020 at 10:48:54AM +0200, Peter Zijlstra wrote:
> But reading your explanation, it looks like the Linux topology setup
> could actually unravel the fused-faux-SMT8 into two independent SMT4
> parts, negating that firmware option.

Ah, it looks like that's exactly what you're doing. Nice!