Re: [PATCH 3/4] x86_64 ia32 syscall audit fast-path

From: Ingo Molnar
Date: Fri Jul 18 2008 - 07:36:44 EST

* Roland McGrath <roland@xxxxxxxxxx> wrote:

> I don't know if there was some reason I did it that way rather than
> the other. I don't remember in which order I wrote and rewrote the
> patches. I'll cop to laziness if you like.
> It reminded me that I'd never tested the AMD (syscall/sysret) version
> of this path. That was clearly just plain lazy, and it was in fact
> broken. It's a good thing you called me names and made me feel bad
> about myself, so I cast about for more of my failings.
> This version of the patch changes what you didn't like, and it works
> right on both the AMD (syscall) and Intel (sysenter) paths. (Yes, I
> had already tested all the other paths. This is the only one that is
> not used on Intel hardware.)

do you have a delta patch against tip/x86/audit-speedup by any chance?
That is a topic branch of your previous drop, which got tested as well
to a certain degree. Would make it easier to see what changed, would
make the merge have a more nuanced history, etc.

or, alternatively, if you have a -git based branch that i could pull,
that would be nice as well. (i can compare old-x86/audit-speedup to

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