On Thu 2018-02-08 20:52:40, Alan Cox wrote: > > > Also worth nothing that the difference between the cpu and memory > > > speeds is much lower - so far fewer instructions could be speculatively > > > executed while waiting a cache miss. > > But they also have more instructions that take a lot of clocks and are > easier to stall - eg by doing things like opening and mmapping > a framebuffer and then doing a floating point double store to it > misaligned. > > Meltdown we can at least reasonably test but spectre is hard.
Do you have pointer for simple meltdown test? I've got https://github.com/IAIK/meltdown.git but could not get it to work even on machines that should be vulnerable. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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