On 11 February 2018 at 19:30, Ken Moffat <zarniwh...@ntlworld.com> wrote: > On Sun, Feb 11, 2018 at 07:10:41PM +0000, Mark Pokorny wrote: >> Hi all, >> >> I’ve been away for a while, but am back now starting a new SVN build >> of LFS. Since I’ve been away, however, the Spectre/Meltdown issue has >> been discussed at length. I’ve been reading through the archives with >> interest, but unfortunately little understanding. >> >> I am currently going through the motions of setting the configuration >> options for the Linux kernel (4.15.2) and have come across the option >> for Page Table Isolation. I have an AMD FX8350 processor, and from >> reading the discussions on this mailing list, I understand that AMD >> processors are _not_ vulnerable to the Meltdown issue that PTI is >> supposed to address. So, my question is: >> >> tl;dr: >> Should I compile Page Table Isolation into my kernel even though I >> have (a pre-Ryzen) AMD processor? It seems some people were having >> issues when PTI was compiled in, and others state the PTI is not >> activated at runtime anyway. Any thoughts? >> >> Tschüß! >> >> Mark. > > Enable it ;) > > The statement that it will not be activated at runtime if you are on > an AMD CPU is correct. OTOH, if you will never use that .config to > build on a different machine then I suppose it doesn't matter. > > ĸen
Cheers! Thanks Ken! Will do! ;) Mark. -- http://lists.linuxfromscratch.org/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page Do not top post on this list. A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? http://en.wikipedia.org/wiki/Posting_style
