linux-kernel - Re: [PATCH v4] cpu-topology: Don't error on more than CONFIG_NR

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Message-ID: <20200117142333.GA4088@bogus>
Date:   Fri, 17 Jan 2020 14:23:33 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Zeng Tao <prime.zeng@...ilicon.com>, linuxarm@...wei.com,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] cpu-topology: Don't error on more than CONFIG_NR_CPUS
 CPUs in device tree

On Fri, Jan 17, 2020 at 03:21:35PM +0100, Greg Kroah-Hartman wrote:
> On Fri, Jan 17, 2020 at 10:19:57AM +0000, Sudeep Holla wrote:
> > On Fri, Jan 17, 2020 at 09:52:52AM +0800, Zeng Tao wrote:
> > > When the kernel is configured with CONFIG_NR_CPUS smaller than the
> > > number of CPU nodes in the device tree(DT), all the CPU nodes parsing
> > > done to fetch topology information will fail. This is not reasonable
> > > as it is legal to have all the physical CPUs in the system in the DT.
> > >
> > > Let us just skip such CPU DT nodes that are not used in the kernel
> > > rather than returning an error.
> > >
> > > Reviewed-by: Sudeep Holla <sudeep.holla@....com>
> > > Signed-off-by: Zeng Tao <prime.zeng@...ilicon.com>
> >
> > Hi Greg,
> >
> > Can you pick this patch for v5.6 ?
>
> oops, didn't realize this was for me, sorry, will go do so now.
>

No worries, it just got baked this morning :). I just dropped you a note
before I could forget.

--
Regards,
Sudeep