Re: [PATCH v3 08/11] x86/mm: Disable PCID on 32-bit kernels

From: Thomas Gleixner
Date: Wed Jun 21 2017 - 05:26:36 EST

On Tue, 20 Jun 2017, Andy Lutomirski wrote:
> 32-bit kernels on new hardware will see PCID in CPUID, but PCID can
> only be used in 64-bit mode. Rather than making all PCID code
> conditional, just disable the feature on 32-bit builds.
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>