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> "the meltdown patch in the kernel thats disabled by default" I'm not sure to what you are referring to here. I was one of the people who worked on the Linux
by hansendc 5y ago
> "the meltdown patch in the kernel thats disabled by default"
I'm not sure to what you are referring to here.
I was one of the people who worked on the Linux PTI implementation that mitigated Meltdown. My memory is not perfect, but I honestly don't know what you're referring to.
- Snild 5y agoI'm guessing they're referring to Linus' ranting on Intel here: https://lore.kernel.org/lkml/CA+55aFwOkH8RH12Dzs=hT3e7eS3Ckz9Ed6x_-9a0zs1cw9zbKA@mail.gmail.com/ https://lore.kernel.org/lkml/CA+55aFwOkH8RH12Dzs=hT3e7eS3Ckz... > The whole IBRS_ALL feature to me very clearly says "Intel is not serious about this, we'll have a ugly hack that will be so expensive that we don't want to enable it by default, because that would look bad in benchmarks".
- mhh__ 5y ago> benchmarks Live by the SPEC, die by the SPEC