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? -- Regards, Mick
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