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SubjectRe: [patch] x86: make UV support optional
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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