From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3397D2236F0; Sun, 14 Jun 2026 21:02:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781470932; cv=none; b=DDa9SX9SGCdmZu8aQvoQv4FHq4ozzEqtISYrSAOD5UPh3cmZWa29OzV6TNhKGZzGe8crzWxIig3mZ/5LZ/Nn/hn0DgM+qEXU+2PWLCGVpBoeUvDzLSD5Iq40JCMs3/jE9GYeXnptE0giCCXiLSK4CHymbMBD3bJ1nl1CiM2fVsM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781470932; c=relaxed/simple; bh=vy60lnxBaMNG6ZMIagHF2qCo5rN52Fipdr2dOCZOJTs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ivMBP+EoDICKNQoROFC8XIsuLVLNjjFjZ2YPAVOCBZSkeGk7Qo6JjLaFIjMpP9ozfT0S2O0DQANmfWksb4IKgIR5oyfywbx224gjw5EbUxf8gln0A8JpMHaz08rphLQWEknDQEHi9oDlFbsqFJ+3kGbe1heQsYHd7+xxIDyQDEw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DnL97brA; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DnL97brA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A00EE1F000E9; Sun, 14 Jun 2026 21:02:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781470930; bh=x5PL9ea68ETMoE/me7VchVD3ZaplPIV6ryZDRpLN4uU=; h=From:To:Cc:Subject:Date; b=DnL97brAJwWsRnbft2pAvI6LhC44L+A+or5qP9u5r5vret8j3fO/knh/Payo1LFUi ciEFh4xbJHSSzl+SrYmvlwaF0hCP2j5rNZJc3wTNMaMWbCVwM1P2f6K0fEvp3y6Wk+ qjNgktpemBXnmDOcOkEZd0qmq9x31Ammny8roA1Hg35bAMO7hEm17lGbIOAHUTNruE X3wAhWdTRMRwToz7jU0zLKAYr/TY4xHB0M93FKFg6FiGwwqmUi9DJgF61LsWm0SXeM K8Qa0dRUWC+zyEvRL/jibWjjFgvrEVQ5db03zFnV/ltJfv3j9FXFG7TtT1tI8eFszF +n7kxmpgPpj4w== From: Tejun Heo To: catalin.marinas@arm.com, will@kernel.org Cc: ast@kernel.org, andrii@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, memxor@gmail.com, akpm@linux-foundation.org, david@kernel.org, rppt@kernel.org, arighi@nvidia.com, emil@etsalapatis.com, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next] arm64: mm: Remove misleading pte_none() comment from ptep_try_set() Date: Sun, 14 Jun 2026 11:02:09 -1000 Message-ID: <20260614210209.2371030-1-tj@kernel.org> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This comment was thoughtlessly copied from the x86 version and doesn't apply to arm64. Remove it. Reported-by: Will Deacon Signed-off-by: Tejun Heo --- arch/arm64/include/asm/pgtable.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 3ce0f2a6cab6..b0213799ebc4 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1830,10 +1830,6 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, return __ptep_get_and_clear(mm, addr, ptep); } -/* - * Note: strictly-zero compare is narrower than pte_none(), but the gap is - * harmless: a fresh kernel PTE has no software bits set. - */ static inline bool ptep_try_set(pte_t *ptep, pte_t new_pte) { pteval_t old = 0; -- 2.51.0