Date: Tue, 6 Jan 2009 07:44:33 +0100
From: Nick Piggin <npiggin@suse.de>
To: Yinghai Lu <yinghai@kernel.org>
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
       linux-kernel@vger.kernel.org, Cliff Wickman <cpw@sgi.com>,
       Jack Steiner <steiner@sgi.com>, Russ Anderson <rja@sgi.com>
Subject: Re: [patch] x86: make UV support optional
Message-ID: <20090106064433.GB16738@wotan.suse.de>
References: <20090106060348.GA16738@wotan.suse.de> <86802c440901052238x5ff919f1u31360163e547b306@mail.gmail.com>
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On Mon, Jan 05, 2009 at 10:38:17PM -0800, Yinghai Lu wrote:
> On Mon, Jan 5, 2009 at 10:03 PM, Nick Piggin <npiggin@suse.de> wrote:
> > UV is fairly rare.... and much of the support is already there to cope with
> > 32-bit builds. So this makes sense I think.
> >
> > --
> > Make X86 SGI Ultraviolet support configurable. Saves about 13K of text size
> > on my modest config.
> >
> >   text    data     bss     dec     hex filename
> > 6770537 1158680  694356 8623573  8395d5 vmlinux
> > 6757492 1157664  694228 8609384  835e68 vmlinux.nouv
> >
> > Signed-off-by: Nick Piggin <npiggin@suse.de>
> > ---
> >  arch/x86/Kconfig                  |    7 +++++++
> >  arch/x86/include/asm/genapic.h    |   24 ++++++++++++++++++++++++
> >  arch/x86/include/asm/genapic_32.h |    7 -------
> >  arch/x86/include/asm/genapic_64.h |    9 ---------
> >  arch/x86/kernel/Makefile          |    5 +++--
> >  arch/x86/kernel/entry_64.S        |    2 ++
> >  arch/x86/kernel/genapic_64.c      |    3 ++-
> >  arch/x86/kernel/io_apic.c         |    2 +-
> >  8 files changed, 39 insertions(+), 20 deletions(-)
> 
> how about
> kernel/efi.c:                   efi.uv_systab = config_tables[i].table;
> ?

Good point, I missed that. Will resend a patch with that ifdef'ed tomorrow
unless any serious objections are raised.

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