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Date:   Fri, 2 Jun 2023 15:20:21 +0300
From:   "Kirill A. Shutemov" <kirill@shutemov.name>
To:     Borislav Petkov <bp@alien8.de>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Dave Hansen <dave.hansen@intel.com>,
        Sean Christopherson <seanjc@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Joerg Roedel <jroedel@suse.de>,
        Ard Biesheuvel <ardb@kernel.org>,
        Andi Kleen <ak@linux.intel.com>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
        David Rientjes <rientjes@google.com>,
        Vlastimil Babka <vbabka@suse.cz>,
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        aarcange@redhat.com, peterx@redhat.com, x86@kernel.org,
        linux-mm@kvack.org, linux-coco@lists.linux.dev,
        linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCHv13 3/9] efi/libstub: Implement support for unaccepted
 memory
Message-ID: <20230602122021.ad275pqia6wfclyc@box.shutemov.name>
References: <20230601182543.19036-1-kirill.shutemov@linux.intel.com>
 <20230601182543.19036-4-kirill.shutemov@linux.intel.com>
 <20230602121005.GJZHncHTryexRFihZj@fat_crate.local>
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On Fri, Jun 02, 2023 at 02:10:05PM +0200, Borislav Petkov wrote:
> On Thu, Jun 01, 2023 at 09:25:37PM +0300, Kirill A. Shutemov wrote:
> > diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig
> > index 043ca31c114e..231f1c70d1db 100644
> > --- a/drivers/firmware/efi/Kconfig
> > +++ b/drivers/firmware/efi/Kconfig
> > @@ -269,6 +269,20 @@ config EFI_COCO_SECRET
> >  	  virt/coco/efi_secret module to access the secrets, which in turn
> >  	  allows userspace programs to access the injected secrets.
> >  
> > +config UNACCEPTED_MEMORY
> 
> Why is this Kconfig symbol in this file?
> 
> I'm thinking this needs to be somewhere generic, like in mm/Kconfig or
> so...

Unaccepted memory is an EFI feature. We can move it somewhere else, if
other firmware/platform would support anything like it.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov