Re: [PATCH]porting lockless mce from x86_64 to i386

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On Mon, May 02, 2005 at 11:31:25AM -0700, Andrew Morton wrote:
> Andi Kleen <[email protected]> wrote:
> >
> >  > 
> >  > Doing it either way should be OK with this mce code. But I feel, 
> >  > despite of the patch size, it is better to keep all the shared 
> >  > code in i386 tree and link it from x86-64. Otherwise, it may become 
> >  > kind of messy in future, with various links between i386 and x86-64.
> > 
> >  i386 already uses code from x86-64 (earlyprintk.c) - it is nothing 
> >  new.
> 
> I must say I don't like the bidirectional sharing either.

Why exactly? X86-64 is not a "slave" of i386, they are equal peers; 
free to share from each other, but none better than the other ... ,-) 

-Andi (fighting for the rights of the repressed architectures ;-)
> 
> But I guess it'll be simple enough to fix up if it causes any real problems
> in the future.

The only complaint I heard so far was from a kernel hacker who deleted
all  non i386 architectures in his kernel trees, but I was not 
very sympathetic to that one. In fact I think it is better
when people have full trees around so when they change something
globally grep finds really all instances.

-Andi


> 
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