Re: [PATCH v4.4 V2 24/43] arm64: Add skeleton to harden the branch predictor against aliasing attacks

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On 08-08-19, 17:36, Viresh Kumar wrote:
> On 06-08-19, 13:18, Mark Rutland wrote:
> > Upstream and in v4.9, the meltdown patches came before the spectre
> > patches, and doing this in the opposite order causes context problems
> > like the above.
> > 
> > Given that, I think it would be less surprising to do the meltdown
> > backport first, though I apprecaite that's more work to get these
> > patches in. :/
> 
> I attempted meltdown backport in the last two days and the amount of
> extra patches to be backported is enormous. And I am not sure if
> everything is alright as well now, and things will greatly rely on
> reviews from you for it.
> 
> For this series, what about just backporting for now to account for
> CSV3 ? And attempting meltdown backport separately later ?
> 
> 179a56f6f9fb arm64: Take into account ID_AA64PFR0_EL1.CSV3

@Mark ?

-- 
viresh



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