Re: [PATCH 3/3] /dev/mem: Do not map unaccepted memory

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To: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH 3/3] /dev/mem: Do not map unaccepted memory
From: Dave Hansen <dave.hansen@xxxxxxxxx>
Date: Thu, 7 Sep 2023 08:04:36 -0700
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxxxxx>, Lorenzo Stoakes <lstoakes@xxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Baoquan He <bhe@xxxxxxxxxx>, Vivek Goyal <vgoyal@xxxxxxxxxx>, Dave Young <dyoung@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-coco@xxxxxxxxxxxxxxx, linux-efi@xxxxxxxxxxxxxxx, kexec@xxxxxxxxxxxxxxxxxxx
In-reply-to: <7a50d04f-63ee-a901-6f39-7d341e423a77@intel.com>
References: <20230906073902.4229-1-adrian.hunter@intel.com> <20230906073902.4229-4-adrian.hunter@intel.com> <9ffb7a3b-cf20-617a-e4f1-8a6a8a2c5972@intel.com> <20230907142510.vcj57cvnewqt4m37@box.shutemov.name> <7a50d04f-63ee-a901-6f39-7d341e423a77@intel.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0

On 9/7/23 07:46, Dave Hansen wrote:
> Can a line of code in this patch even run in the face of IO_STRICT_DEVMEM=y?

Gah, I meant plain old STRICT_DEVMEM=y.

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References:
- [PATCH 0/3] Do not map unaccepted memory
  - From: Adrian Hunter
- [PATCH 3/3] /dev/mem: Do not map unaccepted memory
  - From: Adrian Hunter
- Re: [PATCH 3/3] /dev/mem: Do not map unaccepted memory
  - From: Dave Hansen
- Re: [PATCH 3/3] /dev/mem: Do not map unaccepted memory
  - From: Kirill A. Shutemov
- Re: [PATCH 3/3] /dev/mem: Do not map unaccepted memory
  - From: Dave Hansen

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