Re: [PATCH HVM v4 1/1] hvm: refactor set param

2021-02-19 Thread Jan Beulich
On 18.02.2021 16:01, Norbert Manthey wrote: > To prevent leaking HVM params via L1TF and similar issues on a > hyperthread pair, let's load values of domains only after performing all > relevant checks, and blocking speculative execution. > > For both get and set, the value of the index is already

[PATCH HVM v4 1/1] hvm: refactor set param

2021-02-18 Thread Norbert Manthey
To prevent leaking HVM params via L1TF and similar issues on a hyperthread pair, let's load values of domains only after performing all relevant checks, and blocking speculative execution. For both get and set, the value of the index is already checked in the outer calling function. The block_spec