This patch adds a speculation barrier for x86, based on my
understanding of the required mitigation for that CPU, which is to use
an lfence instruction.
This patch needs some review by an x86 expert and if adjustments are
needed, I'd appreciate it if they could be picked up by the port
maintainer
On Fri, Jul 27, 2018 at 11:37 AM, Richard Earnshaw
wrote:
>
> This patch adds a speculation barrier for x86, based on my
> understanding of the required mitigation for that CPU, which is to use
> an lfence instruction.
>
> This patch needs some review by an x86 expert and if adjustments are
> need
On Sat, Jul 28, 2018 at 1:25 AM, Uros Bizjak wrote:
> On Fri, Jul 27, 2018 at 11:37 AM, Richard Earnshaw
> wrote:
>>
>> This patch adds a speculation barrier for x86, based on my
>> understanding of the required mitigation for that CPU, which is to use
>> an lfence instruction.
>>
>> This patch n