#meltdown
Other methods are being discussed:
>> I'm much less worried about these "nospec_load/if" macros, than I am
>> about having a sane way to determine when they should be needed.
>>
>> Is there such a sane model right now, or are we talking "people will
>> randomly add these based on strong feelings"?
> There are people trying to tune coverity and other tool rules to identify
> cases, and some of the work so far was done that way. For x86 we didn't
> find too many so far so either the needed pattern is uncommon or .... 8)
> Given you can execute over a hundred basic instructions in a speculation
> window it does need to be a tool that can explore not just in function
> but across functions. That's really tough for the compiler itself to do
> without help.
https://lkml.org/lkml/2018/1/3/841
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