From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64, defconfig: Increase NR_CPUS default to 64
Date: Tue, 23 Sep 2014 11:47:16 +0100 [thread overview]
Message-ID: <20140923104716.GG26472@arm.com> (raw)
In-Reply-To: <20140923104431.GF20170@rric.localhost>
On Tue, Sep 23, 2014 at 11:44:31AM +0100, Robert Richter wrote:
> On 08.09.14 13:44:48, Robert Richter wrote:
> > From: Robert Richter <rrichter@cavium.com>
> >
> > Raising the current maximum limit to 64. This is needed for Cavium's
> > Thunder systems that will have at least 48 cores per die.
> >
> > The change keeps the current memory footprint in cpu mask structures.
> > It does not break existing code. Setting the maximum to 64 cpus still
> > boots systems with less cpus.
> >
> > Mark's Juno happily booted with a NR_CPUS=64 kernel.
> >
> > Tested on our Thunder system with 48 cores. We could see interrupts to
> > all cores.
>
> Catalin, Will,
>
> please consider applying this patch.
I thought this was queued already?
Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Robert Richter <rric@kernel.org>
Cc: Catalin Marinas <Catalin.Marinas@arm.com>,
Robert Richter <rrichter@cavium.com>,
Radha Mohan Chintakuntla <rchintakuntla@cavium.com>,
Mark Rutland <Mark.Rutland@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] arm64, defconfig: Increase NR_CPUS default to 64
Date: Tue, 23 Sep 2014 11:47:16 +0100 [thread overview]
Message-ID: <20140923104716.GG26472@arm.com> (raw)
In-Reply-To: <20140923104431.GF20170@rric.localhost>
On Tue, Sep 23, 2014 at 11:44:31AM +0100, Robert Richter wrote:
> On 08.09.14 13:44:48, Robert Richter wrote:
> > From: Robert Richter <rrichter@cavium.com>
> >
> > Raising the current maximum limit to 64. This is needed for Cavium's
> > Thunder systems that will have at least 48 cores per die.
> >
> > The change keeps the current memory footprint in cpu mask structures.
> > It does not break existing code. Setting the maximum to 64 cpus still
> > boots systems with less cpus.
> >
> > Mark's Juno happily booted with a NR_CPUS=64 kernel.
> >
> > Tested on our Thunder system with 48 cores. We could see interrupts to
> > all cores.
>
> Catalin, Will,
>
> please consider applying this patch.
I thought this was queued already?
Will
next prev parent reply other threads:[~2014-09-23 10:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-08 11:44 [PATCH] arm64, defconfig: Increase NR_CPUS default to 64 Robert Richter
2014-09-08 11:44 ` Robert Richter
2014-09-08 13:00 ` Arnd Bergmann
2014-09-08 13:00 ` Arnd Bergmann
2014-09-08 13:28 ` Robert Richter
2014-09-08 13:28 ` Robert Richter
2014-09-08 18:21 ` Mark Rutland
2014-09-08 18:21 ` Mark Rutland
2014-09-09 8:07 ` Uwe Kleine-König
2014-09-09 8:07 ` Uwe Kleine-König
2014-09-09 9:28 ` Paul Bolle
2014-09-09 9:28 ` Paul Bolle
2014-09-23 10:44 ` Robert Richter
2014-09-23 10:44 ` Robert Richter
2014-09-23 10:46 ` Mark Rutland
2014-09-23 10:46 ` Mark Rutland
2014-09-23 10:51 ` Robert Richter
2014-09-23 10:51 ` Robert Richter
2014-09-23 10:47 ` Will Deacon [this message]
2014-09-23 10:47 ` Will Deacon
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