Re: Why do kprobes and uprobes singlestep?

From: Oleg Nesterov
Date: Wed Mar 03 2021 - 12:24:02 EST


On 03/02, Alexei Starovoitov wrote:
>
> Especially if such tightening will come with performance boost for
> uprobe on a nop and unprobe at the start (which is typically push or
> alu on %sp).
> That would be a great step forward.

Just in case, nop and push are emulated without additional overhead.

Oleg.