From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15293155326 for ; Sat, 28 Feb 2026 17:01:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772298095; cv=none; b=N+UOFABpMZc5E3FO8PCb2oqXCkphoqCb95X9qTB9uddO75qEVdDKBLeG8qt2L59DK/HaUP0tYaMs3Y3hg7D6AD9Tlcmt0sQNu5y59KBmZK/t2mhbv2y1wE90XO0rBP3x0cyPYj69rm2Q8CiDnOt6xguPfSOeyh2B04cOrN+N1Z8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772298095; c=relaxed/simple; bh=gaS/vF7ztnyBcuFCaUB/Kfe9GGvI/Oo6VaaFyfLL1Qw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UXlj6InsdwE0nvderm45YSJTKdma1HdcdBEzlx4W5lZ/TVRPvddjNNu3sH3D8VvdSKINuvf4NOUrzFc72hAerZrixL+j97xv4/wItu2LYgyPaZR777esN/pvyjA3sie9d7onCdXy/hZiga74Zjy/NBuvA38HkyAPLV/GgxGJM9U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=D92eRQ8q; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="D92eRQ8q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85B81C116D0; Sat, 28 Feb 2026 17:01:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772298094; bh=gaS/vF7ztnyBcuFCaUB/Kfe9GGvI/Oo6VaaFyfLL1Qw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D92eRQ8q7AeKuT1F068VBIuSajn7M7DUTmkBMnNIPElPUydM/5BrqrbQ+zGgsOddG SjQlES7DNXnxJfP2cF+Tfbox7uadf+8N86jhGx4GiXQm2JoO9dakUCQr8jJ4+2ODw0 ZyvKyTZ3byQ59lYRByY0TryMqCkzImlA2yhXaCFizYONoynLLA3B7ixd4O2tHVvFOD OZ2/VfHN3K3DU5osYFz4RbjRDqvVQvKpQwpi2QTxxvs3hsOjllMuoz3bB4nMhx1Q/E f/9aJ8PEuQ8tBDhvdMyS/aJrrnE4PO51OF6oAnudORF9YdIL4eaEM/xnibOfhHVAsH fBg8NyoBI0BwQ== From: SeongJae Park To: Anshuman Khandual Cc: SeongJae Park , linux-mm@kvack.org, Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Mike Rapoport , linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: Replace READ_ONCE() in pud_trans_unstable() Date: Sat, 28 Feb 2026 09:01:26 -0800 Message-ID: <20260228170127.88672-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260227040300.2091901-1-anshuman.khandual@arm.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Fri, 27 Feb 2026 04:03:00 +0000 Anshuman Khandual wrote: > Replace READ_ONCE() with the existing standard page table accessor for PUD > aka pudp_get() in pud_trans_unstable(). This does not create any functional > change for platforms that do not override pudp_get(), which still defaults > to READ_ONCE(). > > Cc: Andrew Morton > Cc: David Hildenbrand > Cc: Lorenzo Stoakes > Cc: Mike Rapoport > Cc: linux-mm@kvack.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual Acked-by: SeongJae Park Thanks, SJ [...]