linux-kernel - Re: [PATCH] mm: Move set_pxd_safe() helpers from generic to platform

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Message-ID: <3309e9ca-458b-4b10-8409-9fe315b60ae2@intel.com>
Date: Thu, 19 Sep 2024 22:49:28 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: Anshuman Khandual <anshuman.khandual@....com>, linux-mm@...ck.org,
 akpm@...ux-foundation.org
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>, Thomas Gleixner <tglx@...utronix.de>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 David Hildenbrand <david@...hat.com>, Ryan Roberts <ryan.roberts@....com>,
 x86@...nel.org, linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Move set_pxd_safe() helpers from generic to platform

On 9/19/24 22:30, Anshuman Khandual wrote:
> set_pxd_safe() helpers that serve a specific purpose for both x86 and riscv
> platforms, do not need to be in the common memory code. Otherwise they just
> unnecessarily make the common API more complicated. This moves the helpers
> from common code to platform instead.

I just did a quick grep and don't see any difference between the _safe
and normal variants.  A quick grep didn't turn up any actual users.

Did anyone actually double check that these are still needed on x86 in
the first place?