From nobody Fri Dec 19 19:20:10 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8598CD4853 for ; Mon, 25 Sep 2023 18:32:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233301AbjIYScw (ORCPT ); Mon, 25 Sep 2023 14:32:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233007AbjIYSce (ORCPT ); Mon, 25 Sep 2023 14:32:34 -0400 Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 874A8E6D for ; Mon, 25 Sep 2023 11:32:20 -0700 (PDT) Received: from localhost (mailhub3.si.c-s.fr [192.168.12.233]) by localhost (Postfix) with ESMTP id 4RvWg94R7Qz9v8l; Mon, 25 Sep 2023 20:31:49 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id X6_RiI_MVFjC; Mon, 25 Sep 2023 20:31:49 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4RvWg11TYfz9v6d; Mon, 25 Sep 2023 20:31:41 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 2C5D68B78D; Mon, 25 Sep 2023 20:31:41 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id MvXyXpjrBuNq; Mon, 25 Sep 2023 20:31:41 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (unknown [192.168.232.137]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 95BA08B7AB; Mon, 25 Sep 2023 20:31:40 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (localhost [127.0.0.1]) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.16.1) with ESMTPS id 38PIVXAv1499163 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Mon, 25 Sep 2023 20:31:33 +0200 Received: (from chleroy@localhost) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.17.1/Submit) id 38PIVX4W1499162; Mon, 25 Sep 2023 20:31:33 +0200 X-Authentication-Warning: PO20335.IDSI0.si.c-s.fr: chleroy set sender to christophe.leroy@csgroup.eu using -f From: Christophe Leroy To: Michael Ellerman , Nicholas Piggin Cc: Christophe Leroy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 08/37] powerpc/nohash: Remove {pte/pmd}_protnone() Date: Mon, 25 Sep 2023 20:31:22 +0200 Message-ID: X-Mailer: git-send-email 2.41.0 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1695666674; l=1403; i=christophe.leroy@csgroup.eu; s=20211009; h=from:subject:message-id; bh=frJnHMudykDKuyMsR4TbIV7G7snC+XFESYdDeFBdnmU=; b=cZOZra5GhZpf0aoItuyIX/3196Kl+AlyJV+QPl/RScbwLmU98omD8cy/p27zJI8h/0h5+ODSC 2xC7p5pZ69oCAwRA2j14CBwHg0LxLQ5uelFzvfY+S8cihxSHgLqKV9d X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Only book3s/64 selects ARCH_SUPPORTS_NUMA_BALANCING so CONFIG_NUMA_BALANCING can't be selected on nohash targets. Remove pte_protnone() and pmd_protnone(). Signed-off-by: Christophe Leroy --- arch/powerpc/include/asm/nohash/pgtable.h | 17 ----------------- 1 file changed, 17 deletions(-) diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/inclu= de/asm/nohash/pgtable.h index a9056f4fad48..ab26af2b421a 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -35,23 +35,6 @@ static inline bool pte_hashpte(pte_t pte) { return false= ; } static inline bool pte_ci(pte_t pte) { return pte_val(pte) & _PAGE_NO_CAC= HE; } static inline bool pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC= ; } =20 -#ifdef CONFIG_NUMA_BALANCING -/* - * These work without NUMA balancing but the kernel does not care. See the - * comment in include/linux/pgtable.h . On powerpc, this will only - * work for user pages and always return true for kernel pages. - */ -static inline int pte_protnone(pte_t pte) -{ - return pte_present(pte) && !pte_user(pte); -} - -static inline int pmd_protnone(pmd_t pmd) -{ - return pte_protnone(pmd_pte(pmd)); -} -#endif /* CONFIG_NUMA_BALANCING */ - static inline int pte_present(pte_t pte) { return pte_val(pte) & _PAGE_PRESENT; --=20 2.41.0