Thanks for the replies. I'll see what the Gentoo folks are up to w.r.t. to GCC 5 & retpoline. -Kyle ________________________________ From: Jeff Law <law@xxxxxxxxxx> Sent: Monday, March 26, 2018 8:53:19 AM To: Mason; Barry, Kyle Cc: GCC help Subject: Re: Retpoline support for GCC 5.4.0?? On 03/26/2018 03:45 AM, Mason wrote: > On 23/03/2018 20:59, Barry, Kyle wrote: > >> Will retpoline be backported to 5.4.0? > > Disclaimer: Just a regular user. > > The head of the GCC 5 branch is GCC 5.5, released on 2017-10-10 > > https://gcc.gnu.org/gcc-5/ > > AFAIU, GCC 5 is no longer supported by the GCC project. However, > this doesn't preclude LTS-focused companies such a Redhat or SUSE > from back-porting security fixes to older branches. Exactly. And in fact Red Hat has already backported and released errata for the retpoline work to gcc-4.8 (for RHEL 7) and gcc-4.4 (for RHEL 6). The work to backport to gcc-4.1 (RHEL 5) is also complete, but not yet released. jeff
