Hi, Ata, John (US) wrote, > Hi all, > > > > With Spectre variant 2 (CVE-2017-5715), gcc has been updated to avoid branch > prediction problems via the retpoline patch. Specifically, by using either – > mindirect-branch=thunk-inline or –mindirect-branch=thunk or –mindirect-branch- > thunk-external, the compiler will convert indirect branches and function > returns to call and return thunks thus avoiding speculative execution in those > cases. Of course, there is a performance penalty depending on the exact > argument used. Has anyone compiled uclibc with one of those switches?
I didn't tried it, yet. You might be the first :) Any issues seen with that? best regards Waldemar _______________________________________________ devel mailing list devel@uclibc-ng.org https://mailman.uclibc-ng.org/cgi-bin/mailman/listinfo/devel
