On Mon, Jan 29, 2018 at 12:50 PM, Ian Zimmerman <i...@very.loosely.org> wrote: > On 2018-01-29 20:11, Adam Carter wrote: > >> Comparing the contents of /sys/devices/system/cpu/vulnerabilities/spectre_v2 >> >> With gcc 7.2 + kernel 4.14.15; >> Intel system shows; Vulnerable: Minimal generic ASM retpoline >> AMD system shows: Vulnerable: Minimal AMD ASM retpoline >> >> With gcc 7.3 + kernel 4.15.0; >> Intel system shows; Mitigation: Full generic retpoline >> AMD system shows' Mitigation: Full AMD retpoline > > Is there a simple way, with the upstream (kernel.org) sources, to force > a compiler different from the system default? If there is, it's not in the > README, and a simple grep over the Makefiles also doesn't enlighten. > > I am not ready to activate a keyworded gcc for general use.
You could pass CC=gcc-7.3.0 to the make command, like so: make -j6 CC=gcc-7.3.0