Re: [RFC, Announce] Unified x86 architecture, arch/x86

Thomas Gleixner
2007-07-22T07:50:59Z

On Sat, 2007-07-21 at 16:51 -0700, Chris Wright wrote:
> * Matt Mackall (mpm@selenic.com) wrote:
> > Can we see some stats on:
> >
> > How many files were auto-merged?
> > How many files got 32.c and 64.c extensions?
> > How many existed only in one arch?
>
> It's mostly about file movement first.
>
> 918 files changed, 4745 insertions(+), 2836 deletions(-)

Hmm, did you forget to make distclean ?

Numbers from the script:

include/asm-i386 240 files
include/asm-x86_64 169 files
------------------------------
409 files

include/asm-x86 389 files

arch/i386 335 files
arch/x86_64 141 files
------------------------------
476 files

arch/x86 484 files

The increase here is due to migration helper files which only include
the (_32.x or the _64.x) variant.

Makefile helpers 9 files
Kconfig helpers 1 file
Source helpers 4 files
------------------------------
14 files

Summary:
vanilla 22657 files
vanilla->x86 22649 files

------------------------------

include/x86 has 125 _32 and 125 _64 files
arch/x86 has 55 _32 and 55 _64 files

25 files were auto-merged

Looking at include/asm-x86/*_[32/64].h there are offhand ~ 50 of the 125
which differ only minimal (white space damage, comment changes, ...),
where the unification is a no brainer.

tglx