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SubjectRe: x86 TLB flushing: INVPCID vs. deferred CR3 write
On Tue, Dec 05, 2017 at 05:27:31PM -0800, Dave Hansen wrote:
> tl;dr: Kernels with pagetable isolation using INVPCID compile kernels
> 0.58% faster than using the deferred CR3 write. This tends to say that
> we should leave things as-is and keep using INVPCID, but it's far from
> definitive.

Much appreciated, thanks Dave!

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