Re: [PATCH v2] x86: Disable kernel stack offset randomization for !TSC

From: Maciej W. Rozycki
Date: Thu Jan 12 2023 - 07:03:58 EST


On Thu, 12 Jan 2023, Borislav Petkov wrote:

> > Not to mention that we could use rdrand here if it is available (although it
> > is slower than rdtsc.)
>
> Yeah, no RDRAND on 486. :)

And not even in my 2009 copy of the SDM (the 2013 one does have it), so
it must have arrived slightly later than just after the 486. ;)

Maciej