Re: [RFC 09/10] x86/enter: Create macros to restrict/unrestrict Indirect Branch Speculation On Sun, 2018-01-21 at 14:27 -0800, Linus Torvalds wrote: > On Sun, Jan 21, 2018 at 2:00 PM, David Woodhouse <dwmw2@infradead.org> wrote: > >> > >> The patches do things like add the garbage MSR writes to the kernel > >> entry/exit points. That's insane. That says "we're trying to protect > >> the kernel".