Re: [RFC PATCH] x86 single-step (TF) vs system calls & traps

[Roland McGrath]

> And I refuse to make the fast-path slower just because of this. 

You are talking about the int $0x80 system call path here?
That is the only non-exception path touched by my changes.

> Not only has Linux always worked like this, as far as I know all other
> x86 OS's also tend to just do the Intel behaviour thing.

The only other one I have at hand to test is NetBSD 1.6.1, which does
indeed behave the same way for its int $0x80 system calls.


Thanks,
Roland
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