On Mon, Jan 29, 2018 at 1:56 PM, Mick <michaelkintz...@gmail.com> wrote: > On Monday, 29 January 2018 18:35:58 GMT Mike Gilbert wrote: >> 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 > > Shouldn't you have at least compiled your whole toolchain with gcc-7.3.0 > first?
I don't see any reason that would be necessary.
