Hi Paul,
On Sat, Mar 31, 2012 at 18:33, Paul E. McKenney
<paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> Although there have been numerous complaints about the complexity of
> parallel programming (especially over the past 5-10 years), the plain
> truth is that the incremental complexity of parallel programming over
> that of sequential programming is not as large as is commonly believed.
> Despite that you might have heard, the mind-numbing complexity of modern
> computer systems is not due so much to there being multiple CPUs, but
> rather to there being any CPUs at all. In short, for the ultimate in
> computer-system simplicity, the optimal choice is NR_CPUS=0.
>
> This commit therefore limits kernel builds to zero CPUs. This change
> has the beneficial side effect of rendering all kernel bugs harmless.
> Furthermore, this commit enables additional beneficial changes, for
> example, the removal of those parts of the kernel that are not needed
> when there are zero CPUs.
>
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> ---
>
> alpha/Kconfig | 11 ++++++-----
> arm/Kconfig | 6 +++---
> blackfin/Kconfig | 3 ++-
> hexagon/Kconfig | 9 +++++----
> ia64/Kconfig | 9 +++++----
> m32r/Kconfig | 10 ++++++----
> mips/Kconfig | 21 +++++++++++----------
> mn10300/Kconfig | 3 ++-
> parisc/Kconfig | 6 +++---
> powerpc/platforms/Kconfig.cputype | 8 ++++----
> s390/Kconfig | 12 +++++++-----
> sh/Kconfig | 11 ++++++-----
> sparc/Kconfig | 8 ++++----
> tile/Kconfig | 9 +++++----
> x86/Kconfig | 16 +++++++++-------
> 15 files changed, 78 insertions(+), 64 deletions(-)
You forgot to fix half of the architectures, a.o. m68k?
Gr{oetje,eeting}s,
Geert (still at GMT+2)
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
