linux-kernel - Re: [RFC PATCH 0/7] x86/intel_rdt: Restoration of Cache Pseudo-Locked regions

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Message-ID: <3a33c9e9-4432-dbef-c3b7-a4da1740b0f7@intel.com>
Date:   Fri, 3 Aug 2018 07:23:27 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Reinette Chatre <reinette.chatre@...el.com>
Cc:     fenghua.yu@...el.com, Tony Luck <tony.luck@...el.com>,
        vikas.shivappa@...ux.intel.com, gavin.hindman@...el.com,
        jithu.joseph@...el.com, mingo@...hat.com,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [RFC PATCH 0/7] x86/intel_rdt: Restoration of Cache Pseudo-Locked
 regions

On 08/03/2018 04:45 AM, Thomas Gleixner wrote:
>> Within the kernel two locations with direct invocations of the WBINVD
>> instruction are coverted to native_wbinvd() and compile tested. Neither
>> location is likely to be used on the platforms supporting Cache Pseudo-Locking.
> Can we just get rid of WBINVD?

In general, or just this specific case?