On 19 February 2018 at 17:03, Reco <recovery...@gmail.com> wrote: > 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 > > Doesn't that mean that if you installed this version of gcc 4.9 and one of the most recent kernels debian has e.g. 4.15.4-1 above then it will be able to correct install the microcode or whatever it is called and you don't need a compiler as new as gcc 7.3?
If so that is excellent news indeed. No chrooting needed there...... Not a sausage of it. You would have to run the compiler but the kernel source for 4.15.4-1 would already be in the debian format. So it should not be that difficult. Regards MF