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Date:   Fri, 22 Mar 2019 18:51:14 +0100
From:   Borislav Petkov <>
To:     Lianbo Jiang <>
Subject: Re: [PATCH 1/3 v9] x86/mm: Change the examination condition to avoid

On Thu, Mar 21, 2019 at 06:33:07PM +0800, Lianbo Jiang wrote:
> Following the commit <0e4c12b45aa8> ("x86/mm, resource: Use
> PAGE_KERNEL protection for ioremap of memory pages"),

The proper commit quotation format is done by adding this to your

        abbrev = 12
        one = show -s --pretty='format:%h (\"%s\")'

and then doing:

$ git one <commit id>

which will give you

0e4c12b45aa8 ("x86/mm, resource: Use PAGE_KERNEL protection for ioremap of memory pages")

> here it is really checking for the 'IORES_DESC_ACPI_*' values.

Well, it is not really checking that.

> Therefore, it is necessary to change the examination condition
> to avoid confusion.

What confusion?

The justification for that change sounds really fishy.


Good mailing practices for 400: avoid top-posting and trim the reply.

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