On 11/22/2017 10:23 PM, Josef Bacik wrote: > From: Josef Bacik <[email protected]> > > Error injection is sloppy and very ad-hoc. BPF could fill this niche > perfectly with it's kprobe functionality. We could make sure errors are > only triggered in specific call chains that we care about with very > specific situations. Accomplish this with the bpf_override_funciton > helper. This will modify the probe'd callers return value to the > specified value and set the PC to an override function that simply > returns, bypassing the originally probed function. This gives us a nice > clean way to implement systematic error injection for all of our code > paths. > > Acked-by: Alexei Starovoitov <[email protected]> > Acked-by: Ingo Molnar <[email protected]> > Signed-off-by: Josef Bacik <[email protected]>
Series looks good to me as well; BPF bits: Acked-by: Daniel Borkmann <[email protected]>
