Re:Spectre and the end of langsec
by warkdarrior on Thursday January 11, 2018 @06:31PM
(#16129090)
There are always things that are shared even between distinct cores: RAM, buses, disk I/O, network I/O, LAN, the Internet, etc.
[ Parent
| on HN ]
Agreed. I pointed out caches. Running only a single process per core does prevent sharing of the branch predictor and the lowest level cache.
What nobody wants to say is that the real problem is running untrusted code. They don't want to say it because Apps and JS are so many peoples bread an butter these days.