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Date:   Mon, 20 Apr 2020 10:44:23 -0600
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Abhishek Sahu <abhsahu@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/mm: fix compilation error for unknown type name
 pgprot_t



On 2020-04-20 2:22 a.m., Abhishek Sahu wrote:
> commit 30796e18c299 ("x86/mm: introduce __set_memory_prot()")
> added the function __set_memory_prot() which uses pgprot_t in
> function prototype. The currently included header files in
> <arch/x86/include/asm/set_memory.h> do not include type name
> pgprot_t. The pgprot_t is defined in <asm/pgtable_types.h>.
> 
> Fixes: 30796e18c299 ("x86/mm: introduce __set_memory_prot()")
> Signed-off-by: Abhishek Sahu <abhsahu@...dia.com>

I assume this is only hit with a specific driver or something that
includes set_memory.h without including pgtable_types.h before hand.

It certainly compiles fine for me and the kbuild robot has had lots of
time to test it with random configs.

Reviewed-by: Logan Gunthorpe <logang@...tatee.com>

Thanks,

Logan

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