From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux MM <linux-mm@kvack.org>,
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Subject: Re: [PATCH] mm/special: Create generic fallbacks for pte_special() and pte_mkspecial()
Date: Mon, 2 Mar 2020 16:07:27 +0530 [thread overview]
Message-ID: <02997860-9374-28b9-8703-dc9b62b3f8ff@arm.com> (raw)
In-Reply-To: <CAMuHMdXnUeYib2dMALyzrW8LKhTjsnGFsqALoTxVHzPGc+OUTg@mail.gmail.com>
On 03/02/2020 01:49 PM, Geert Uytterhoeven wrote:
> Hi Anshuman,
>
> Thanks for your patch!
>
> On Mon, Mar 2, 2020 at 2:56 AM Anshuman Khandual
> <anshuman.khandual@arm.com> wrote:
>> Currently there are many platforms that dont enable HAVE_ARCH_PTE_SPECIAL
> ARCH_HAS_PTE_SPECIAL
>
>> but required to define quite similar fallback stubs for special page table
>> entry helpers such as pte_special() and pte_mkspecial(), as they get build
>> in generic MM without a config check. This creates two generic fallback
>> stub definitions for these helpers, eliminating much code duplication.
>>
>> mips platform has a special case where pte_special() and pte_mkspecial()
>> visibility is wider than what HAVE_ARCH_PTE_SPECIAL enablement requires.
> ARCH_HAS_PTE_SPECIAL
>
Oops, will fix it. I have been juggling between too many HAVE_ARCH_* and
ARCH_HAS_* lately :)
next prev parent reply other threads:[~2020-03-02 10:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-02 1:56 Anshuman Khandual
2020-03-02 4:48 ` Guo Ren
2020-03-02 8:19 ` Geert Uytterhoeven
2020-03-02 10:37 ` Anshuman Khandual [this message]
2020-03-02 9:16 ` Stafford Horne
2020-03-02 11:19 ` Helge Deller
2020-03-05 7:34 ` Anshuman Khandual
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