linux-kernel - RE: [PATCH v4 5/5] x86/gsseg: use the LKGS instruction if available for load_gs

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Message-ID: <BN6PR1101MB21613786459F40312E2FFC0AA82A9@BN6PR1101MB2161.namprd11.prod.outlook.com>
Date:   Thu, 20 Oct 2022 06:05:01 +0000
From:   "Li, Xin3" <xin3.li@...el.com>
To:     "Gross, Jurgen" <jgross@...e.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>
CC:     "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "brgerst@...il.com" <brgerst@...il.com>,
        "Bae, Chang Seok" <chang.seok.bae@...el.com>
Subject: RE: [PATCH v4 5/5] x86/gsseg: use the LKGS instruction if available
 for load_gs_index()


> >
> > Most things don't frob the paravirt list.
> >
> > Maybe we should make the paravirt frobbing a separate patch, at it is
> separable.
> 
> Works for me.

Thanks, I will send out the patch after Xen PV testing (need to setup it first).

Xin

> 
> 
> Juergen