Re: [rfc] x86: optimise page fault path a little

[Andi Kleen]

> this flow could be cleaned up further:
> 
> [...]
> > +		bad_area(regs, error_code, address);
> > +		return;
> [...]
> > +		bad_area(regs, error_code, address);
> > +		return;
> [...]
> > +			bad_area(regs, error_code, address);
> > +			return;
> [...]
> > +		bad_area(regs, error_code, address);
> > +		return;
> 
> Any reason why that pattern shouldnt be changed to an appropriate goto 
> bad_area? (probably the same goes for the nosemaphore error paths too)

The tail call is already effectively a goto.

-Andi

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