On Thu, Sep 22, 2022 at 5:36 PM Borislav Petkov <bp@xxxxxxxxx> wrote: > > On Thu, Sep 22, 2022 at 05:21:21PM +0200, Rafael J. Wysocki wrote: > > Well, it can be forced to use ACPI idle instead. > > Yeah, I did that earlier. The dummy IO read in question costs ~3K on > average on my Coffeelake box here. Well, that's the cost of forcing something non-default.
