From: Michael Ellerman <michael@ellerman.id.au>
To: Tony Breeds <tony@bakeyournoodle.com>
Cc: LinuxPPC-dev <linuxppc-dev@ozlabs.org>,
Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH 2.6.26?] Raise the upper limit of NR_CPUS.
Date: Fri, 18 Apr 2008 20:33:44 +1000 [thread overview]
Message-ID: <1208514829.8424.0.camel@concordia> (raw)
In-Reply-To: <20080418053349.GE20457@bakeyournoodle.com>
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On Fri, 2008-04-18 at 15:33 +1000, Tony Breeds wrote:
> As the pacas are statically initialised increasing NR_CPUS beyond 128,
> means that any additional pacas will be empty ... which is bad.
>
> This patch adds the required functionality to fill in any excess pacas
> at runtime.
>
> Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
> ---
> I know it's late, but can this be considered for 2.6.26?
>
> arch/powerpc/kernel/paca.c | 33 ++++++++++------------------
> arch/powerpc/kernel/prom_init.c | 36 ++++++++++++++++++++++++++++++++
> arch/powerpc/platforms/Kconfig.cputype | 4 +-
> include/asm-powerpc/paca.h | 19 ++++++++++++++++
What happens on non prom-init platforms?
cheers
--
Michael Ellerman
OzLabs, IBM Australia Development Lab
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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next prev parent reply other threads:[~2008-04-18 10:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-18 5:33 [PATCH 2.6.26?] Raise the upper limit of NR_CPUS Tony Breeds
2008-04-18 10:33 ` Michael Ellerman [this message]
2008-04-21 1:41 ` Tony Breeds
2008-04-21 2:03 ` Benjamin Herrenschmidt
2008-04-21 9:05 ` Michael Ellerman
2008-04-21 9:24 ` Benjamin Herrenschmidt
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