Re: [PATCH v2] x86/bugs: Break down mitigations configurations

Dave Hansen
2023-06-21T22:58:21Z

On 6/21/23 15:52, Breno Leitao wrote:
> On Wed, Jun 21, 2023 at 03:35:45PM -0700, Dave Hansen wrote:
>> On 6/21/23 12:41, Pawan Gupta wrote:
>>> Yes, a single series (or a patch) that adds config for each mitigation
>>> would be good.
>> Do people _really_ want per-mitigation compile-time controls? That
>> seems like kinda a pain.
>>
>> I Boris suggested it, but it seems like a _bit_ of overkill to me.
>>
>> Would a compile-time option that just defaulted _everything_ to
>> mitigations=off behavior work instead? That way we don't end up with a
>> billion new config options.
> This is exactly what my original patch proposed. It solves the problem with
> a few lines of changes.
>
> https://lore.kernel.org/lkml/20230203120615.1121272-1-leitao@debian.org/

Hey Boris,

I like this simple thingy better. If for no other reason than it
reduces the burden of what we have to do for every _new_ mitigation
going forward.

Do you like the direction this is going? Maybe I'm missing something.