Hi. On Mon, Feb 19, 2018 at 04:40:19PM +0000, Michael Fothergill wrote: > I had thought up to now that e.g. kernel 4.15.4-1 was new enough that if > you compiled it with gcc 7.3 then the spectre fix would then work.
Not unless you apply the retpoline patch to the gcc. For instance, just today said patch was applied to the Debian stable version of gcc, gcc-4.9: https://www.debian.org/security/2018/dsa-4117 Reco