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

From: Andi Kleen
Date: Fri Apr 29 2005 - 10:29:03 EST


On Wed, Apr 27, 2005 at 11:38:00AM -0700, Andrew Morton wrote:
> Andi Kleen <ak@xxxxxx> wrote:
> >
> > On Tue, Apr 26, 2005 at 01:27:30PM +0800, Yu, Luming wrote:
> > >
> > > Forward a patch :
> >
> > Some comments:
> >
> > The asmlinkage on x86-64 is not really needed. You can remove
> > the ifdef. fastcall is fine, although it is a nop.
> >
> > The u64 tsc[NR CPUS] on the stack is a stack overflow with big
> > NR_CPUS. I have
> > a patch locally here to fix it, but you could just apply it
> > anyways when you move the code. Fix is to use kmalloc here.
> >
>
> OK, thanks. Luming, could you please reissue the second patch, including
> the above fixes as well as the two warning fixes which we discussed?

Another comment:

If Luming would not move the mce.c file from x86-64 to i386 then
his patch would be only 1/4 as big. I dont know why he does this
anyways, it seems completely pointless.


-Andi

>
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