Re: [RFC/PATCH] i386: handle all exceptions with interrupts off initially

[H. Peter Anvin]

Ingo Molnar wrote:
> the entry paths here are really short (we enable irqs almost 
> immediately) so it's a non-issue in terms of worst-case latencies.
>
> > In other words, it's not something we want to do "just because", but 
> > to the extent that it provides real benefit, it makes sense.
>
> this is historically pretty fragile code so bringing the 32-bit and 
> 64-bit variants more in line sounds like a good reason to me. For 
> example we had various long-living irq state annotation bugs (the 
> combination of kprobes and lockdep, etc.) that remained unfixed partly 
> due to this assymetry.

Agreed completely.  I certainly didn't mean to come across sounding 
negative.

	-hpa

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