On 2018-06-15 17:42 +0300, Vassilena Treneva wrote: > Hey, > > Using gcc version 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC). > > Do you know if there are any compiler options (or a patch) to mitigate the > so called: Meltdown and/or Spectre vulnerabilities for this specific > version of the compiler? > Based on what I read over the internet, the answer is NO. Such options and > a patch are available starting from GCC 8: > https://gcc.gnu.org/ml/gcc-patches/2018-01/msg00422.html The compiler has nothing to do with Meltdown and Spectre v1. For Spectre v2 GCC 8.1 and 7.3 have -mindirect-branch option. GCC 4.8 is no longer supported by GCC team. Maybe Red Hat could backport this patch for you. -- Xi Ruoyao <ryxi@xxxxxxxxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University
