Re: [PATCH] x86: fix typo(?) in step.c

From: Ingo Molnar
Date: Thu Mar 06 2008 - 08:11:53 EST



* Roland McGrath <roland@xxxxxxxxxx> wrote:

> I know. That completely misses the point I just made:
>
> As I said then, one of my concerns was with the low-level tweaks
> not yet sufficiently baked, independent from my reservations about
> the ptrace feature. Your #if'ing out of the user ABI additions for
> 2.6.25 does nothing to remove the unknown new risks from all the
> tweaks with fingers in the low-level arch stuff. This is the sort
> of thing I was concerned about.
>
> You didn't revert the parts that ever could have caused problems for
> anyone except those using the new ptrace extensions, i.e. changes to
> step.c, context switch, whatever else was touched we've lost track of
> now. I keep saying that those are not baked, 100% independent of the
> ptrace feature. You don't seem to be hearing me.

well the issue is that both regset and bts had regressions, so the
safest was to do the minimal step of undoing any externally visible
changes. Feel free to send a reverter patch for the other lowlevel bts
bits as well.

Ingo
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