Hello, On Fri, 19 Jan 2018 21:55:12 +0000 <[email protected]> wrote:
> > On Jan 19, 2018, at 4:47 PM, <[email protected]> <[email protected]> wrote: > > > > Hi folks. > > > > I think that the spectre variant 2 situation is a lot worse for: > > - Speculative CPU > > - Weak memory protection > > > > Then I don't need a JIT for gadgets. > > > > Architectures that fall into this: > > - default i386 netbsd, because it is missing NX bit (PAE is optional) > > - MIPS for us, because we don't use kseg2 and then it doesn't go through > > MMU. > > which MIPS do speculative execution? R1xk, Loongson ( at least since L2 ), probably quite a few modern ones. have fun Michael
