Re: [PATCH] vt: add an event interface

From: Jaswinder Singh Rajput
Date: Fri Jul 03 2009 - 18:18:34 EST


On Fri, 2009-07-03 at 18:42 +0200, Ingo Molnar wrote:
> * Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
>
> > A good example of what happens if you don't is
> >
> > scripts/checkpatch.pl --file arch/x86/kernel/cpu/mtrr/*c
> >
> > where the core part of the code isn't changed very much even
> > though the interfaces completely get reworked. Thus it never gets
> > cleaned up and reviewed as a whole. The code works, will probably
> > work for years but never gets looked at as a whole and tidied.
>
> I think even the MTRR code (which is indeed one of the few x86
> places still not fully cleaned up) supports my arguments.
>
> Look at the averages:
>
> errors lines of code errors/KLOC
> arch/x86/kernel/cpu/mtrr/amd.c 2 120 16.6
> arch/x86/kernel/cpu/mtrr/centaur.c 8 225 35.5
> arch/x86/kernel/cpu/mtrr/cleanup.c 0 1102 0
> arch/x86/kernel/cpu/mtrr/cyrix.c 10 275 36.3
> arch/x86/kernel/cpu/mtrr/generic.c 16 730 21.9
> arch/x86/kernel/cpu/mtrr/if.c 11 428 25.7
> arch/x86/kernel/cpu/mtrr/main.c 50 751 66.5
> arch/x86/kernel/cpu/mtrr/state.c 0 83 0
>
> The arch/x86/kernel/cpu/mtrr/cleanup.c file is a new bit and
> relatively clean.
>

I will fix these ASAP ;-)

Thanks,
--
JSR

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