From: Dev Jain <dev.jain@arm.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>, linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: Replace READ_ONCE() with standard page table accessors
Date: Tue, 7 Oct 2025 15:23:23 +0530 [thread overview]
Message-ID: <c26dbbf7-8475-4424-8e73-b35a845a2949@arm.com> (raw)
In-Reply-To: <627da4d5-5c6b-4bf4-9544-9021062d378e@arm.com>
On 07/10/25 1:24 pm, Anshuman Khandual wrote:
>
> On 07/10/25 12:41 PM, Dev Jain wrote:
>> On 07/10/25 12:01 pm, Anshuman Khandual wrote:
>>> Replace all READ_ONCE() with a standard page table accessors i.e pxdp_get()
>>> that defaults into READ_ONCE() in cases where platform does not override.
>> Does any platform override into something else currently? The way you write
>> the description implies that.
> That's how the callbacks have been designed to be overridden when required.
What I mean is, if currently some arch is overriding into something else,
this patch will be a functional change. So it is beneficial to say
in the description that the patch is a safeguard for when the platform
chooses to override, and no functional change is intended.
Reviewed-by: Dev Jain <dev.jain@arm.com>
>>
next prev parent reply other threads:[~2025-10-07 9:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-07 6:31 Anshuman Khandual
2025-10-07 7:11 ` Dev Jain
2025-10-07 7:54 ` Anshuman Khandual
2025-10-07 9:53 ` Dev Jain [this message]
2025-10-07 8:47 ` David Hildenbrand
2025-10-09 11:35 ` Lance Yang
2025-10-10 1:18 ` Wei Yang
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