Re: [PATCH v3 08/10] x86/setcpuid: Add kernel option setcpuid
From: Peter Zijlstra
Date: Tue Feb 12 2019 - 08:38:03 EST
On Mon, Feb 11, 2019 at 11:16:43AM -0800, Fenghua Yu wrote:
> 4. The feature can be disabled by kernel option
> "clearcpuid=split_lock_detection" during early boot time.
IFF clearcpuid lives, it should also employ CPUID faulting and clear it
for userspace too.