linux-kernel - Re: [PATCHv4 07/18] x86/mm: Introduce variables to store number, shift and mask of KeyIDs

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Message-ID: <20180710104809.pigivw4n4yuehdpo@kshutemo-mobl1>
Date:   Tue, 10 Jul 2018 13:48:09 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Dave Hansen <dave.hansen@...el.com>,
        Kai Huang <kai.huang@...ux.intel.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCHv4 07/18] x86/mm: Introduce variables to store number,
 shift and mask of KeyIDs

On Mon, Jul 09, 2018 at 02:09:49PM -0400, Konrad Rzeszutek Wilk wrote:
> > diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
> > index 4b101dd6e52f..4ebee899c363 100644
> > --- a/arch/x86/mm/Makefile
> > +++ b/arch/x86/mm/Makefile
> > @@ -53,3 +53,5 @@ obj-$(CONFIG_PAGE_TABLE_ISOLATION)		+= pti.o
> >  obj-$(CONFIG_AMD_MEM_ENCRYPT)	+= mem_encrypt.o
> >  obj-$(CONFIG_AMD_MEM_ENCRYPT)	+= mem_encrypt_identity.o
> >  obj-$(CONFIG_AMD_MEM_ENCRYPT)	+= mem_encrypt_boot.o
> > +
> > +obj-$(CONFIG_X86_INTEL_MKTME)	+= mktme.o
> 
> Any particular reason to have x86 in the CONFIG?

It is consistent with MPX and protection keys.

-- 
 Kirill A. Shutemov