On Thu, 03 Oct 2019 12:11:00 +0100, James Morse <james.morse@xxxxxxx> wrote: > > Hi Marc, > > On 25/09/2019 12:19, Marc Zyngier wrote: > > Now that everything is in place, let's get the ball rolling > > by allowing the corresponding config option to be selected. > > Also add the required information to silicon_arrata.rst. > > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > > index 3adcec05b1f6..c50cd4f83bc4 100644 > > --- a/arch/arm64/Kconfig > > +++ b/arch/arm64/Kconfig > > @@ -523,6 +523,16 @@ config ARM64_ERRATUM_1286807 > > invalidated has been observed by other observers. The > > workaround repeats the TLBI+DSB operation. > > > > +config ARM64_ERRATUM_1319367 > > + bool "Cortex-A57/A72: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation" > > + default y > > + help > > + This option adds work arounds for ARM Cortex-A57 erratum 1319537 > > + and A72 erratum 1319367 > > + > > + Cortex-A57 and A72 cores could end-up with corrupted TLBs by > > + speculating an AT instruction during a guest context switch. > > + > > If unsure, say Y. > > > > config ARM64_ERRATUM_1463225 > > > > Nit: You pinched someone elses "If unsure, say Y."! Ah! Well spotted. Thanks, M. -- Jazz is not dead, it just smells funny.
