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h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=GZovmfCj6dNyFwOVOI79CkD3FW9Uw+uSnlvictrhFQKqouJTQQ0FHHOD8AstrTPIu rvLZ1fl5GnWdFoPMKMst59k1jcr5ZZlsMyG2I7CkGovwCmZaqx/DpKIKuBgK4yTb6l fZkGjrOSgc9V3KEUiFXZi9FgJnTBf3kxNwuk7Ywc= Message-ID: <6d91c17f-2027-482a-b0b2-98ad258f1687@arm.com> Date: Fri, 10 Apr 2026 10:20:40 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC V1 06/16] arm64/mm: Convert READ_ONCE() as pudp_get() while accessing PUD To: "David Hildenbrand (Arm)" , linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Will Deacon , Ryan Roberts , Mark Rutland , Lorenzo Stoakes , Andrew Morton , Mike Rapoport , Linu Cherian , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com References: <20260224051153.3150613-1-anshuman.khandual@arm.com> <20260224051153.3150613-7-anshuman.khandual@arm.com> Content-Language: en-US From: Anshuman Khandual In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: aw17kh4qa5r17zoy6ggpeh31f5mxwwxx X-Rspamd-Queue-Id: 3BEE220005 X-Rspamd-Server: rspam09 X-HE-Tag: 1775796649-752821 X-HE-Meta: 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 I+13wPN4 oFeHVZ5CcS9x2Iq4MyXb5WQQbOGOqcj9u+Sa2aWsWx5iMvkwWpi42q221zYlxD0kZKcXtC67T4VQw55dI3rslyhROXLibGSSWCTqw6PcyBfE3yML7Fr6OipDRKytFM5oArSkqkb8/OGvhYjKvIqyg+mv0oy6BsQXq3nCagZ7qKFokvwceDm8tOH+jVigXXVGFYF3PERS5Zgso7aH8LaF+EAx9ZFKC5yprTuI6T2qLac7jjr19HydHF7riEURUckVdw8Hhg5uOUZRtYaxMaNFcA8X8ZVvc/zfXhuXrrfuJf4E300pYVxojEzl/CKhB+yky5eWT77C+Abo82KzzoXXc9dFLj4EwrkaOZGsZ2DQH8aeQ4tQvL6wtPkDGzqwCsYOafydd6Lh4wnzl/b+V2DeY8mYopfosXRWfxRRL6v0SafGDAs6X05Wb+Ue3bKy+SxoWq2MoozAAk6QLzpMDBmm9/xtfUiPFGWqo4eSVrnxulIU+3B8= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 08/04/26 5:45 PM, David Hildenbrand (Arm) wrote: > On 2/24/26 06:11, Anshuman Khandual wrote: >> Convert all READ_ONCE() based PUD accesses as pudp_get() instead which will >> support both D64 and D128 translation regime going forward. >> >> Cc: Catalin Marinas >> Cc: Will Deacon >> Cc: Ryan Roberts >> Cc: Mark Rutland >> Cc: linux-arm-kernel@lists.infradead.org >> Cc: linux-kernel@vger.kernel.org >> Cc: kasan-dev@googlegroups.com >> Signed-off-by: Anshuman Khandual >> --- > > I was wondering for a second whether it would be better to structure > this as "convert READ_ONCE to use pxxxp_get() in fault.c" instead, > essentially, to touch each file only once. But will not that create too many patches ? > > Anyhow > > Reviewed-by: David Hildenbrand (Arm) > Thanks !