Hi kernel team I am currently working on 4.9.81 (and will work on 4.9.82 when it's out) for stretch-pu. Fixes for Spectre started appearing in recent versions (especially retpoline) and Moritz has worked a lot on gcc with retpoline support, so it looks that we'll be able to ship a kernel with retpoline enabled and functional in stretch-pu before the next point release. It doesn't seem that building with a retpoline-aware gcc will bump the ABI by itself, but do we still want to do it? There's a bunch of ABI breaks in 4.9.81 again, and we ignored/reverted a lot of them since 4.9.65+kaiser, so maybe it'll be a good idea at one point, but I don't have a strong opinion on this right now. Regards, -- Yves-Alexis
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