linux-kernel - Re: [tip: sched/core] topology: Remove unused cpu_cluster

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Date:   Fri, 20 May 2022 15:05:48 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Barry Song <baohua@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-tip-commits@...r.kernel.org,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        x86 <x86@...nel.org>
Subject: Re: [tip: sched/core] topology: Remove unused cpu_cluster_mask()

On Fri, May 20, 2022 at 11:34:52PM +1200, Barry Song wrote:
> On Fri, May 20, 2022 at 9:57 AM tip-bot2 for Dietmar Eggemann
> <tip-bot2@...utronix.de> wrote:
> >
> > The following commit has been merged into the sched/core branch of tip:
> >
> > Commit-ID:     991d8d8142cad94f9c5c05db25e67fa83d6f772a
> > Gitweb:        https://git.kernel.org/tip/991d8d8142cad94f9c5c05db25e67fa83d6f772a
> > Author:        Dietmar Eggemann <dietmar.eggemann@....com>
> > AuthorDate:    Fri, 13 May 2022 11:34:33 +02:00
> > Committer:     Peter Zijlstra <peterz@...radead.org>
> > CommitterDate: Thu, 19 May 2022 23:46:13 +02:00
> >
> > topology: Remove unused cpu_cluster_mask()
> >
> > default_topology[] uses cpu_clustergroup_mask() for the CLS level
> > (guarded by CONFIG_SCHED_CLUSTER) which is currently provided by x86
> > (arch/x86/kernel/smpboot.c) and arm64 (drivers/base/arch_topology.c).
> >
> > Fixes: 778c558f49a2c ("sched: Add cluster scheduler level in core and
> > related Kconfig for ARM64")
> >
> > Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
> > Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> > Acked-by: Barry Song <baohua@...nel.org>
> > Link: https://lore.kernel.org/r/20220513093433.425163-1-dietmar.eggemann@arm.com
> > ---
> 
> Hi Peter,
> I also received emails which say Greg has put it into drive-core-testing and
> driver-core-next.
> https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?h=driver-core-next&id=15f214f9bdb7c1f5

Damn, I must've missed that. It think git will DTRT and the trees will
merge painlessly.