Re: [PATCH] Clean up x86 interrupt entry code

Robert Love (rml@tech9.net)
06 Apr 2002 16:45:20 -0500


On Sat, 2002-04-06 at 15:18, Linus Torvalds wrote:

> It seems to be always loaded by the common interrupt code (and %ebx is a
> call-saved register, so calling the interrupt handlers and returning
> doesn't clobber it).

True enough. I guess I should of done this from the beginning ...

> But testing it may be a good idea ;^p

Of course I will, but it is hard (and subject to Heisenberg principals)
to test that we preempt whenever necessary. Only with the patch I sent
you earlier am I seeing no missed preemptions ... now to work on the
egregiously long-held locks.

Robert Love

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/