| Message ID | bf46e67182d88b66e8e852bf432c4df331611489.1526464250.git.christophe.leroy@c-s.fr (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40m9YB1rrhz9s0y for <patchwork-incoming@ozlabs.org>; Wed, 16 May 2018 20:25:02 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 40m9YB07vzzF151 for <patchwork-incoming@ozlabs.org>; Wed, 16 May 2018 20:25:02 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=c-s.fr (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@c-s.fr; receiver=<UNKNOWN>) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 40m96v5NTHzF1QZ for <linuxppc-dev@lists.ozlabs.org>; Wed, 16 May 2018 20:05:43 +1000 (AEST) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 40m96m6Zscz9v0XF; Wed, 16 May 2018 12:05:36 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id CYFeE-k5xWA1; Wed, 16 May 2018 12:05:36 +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 40m96m62Qbz9v0X8; Wed, 16 May 2018 12:05:36 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 0D9038B941; Wed, 16 May 2018 12:05:40 +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 98PIrLwq8DAP; Wed, 16 May 2018 12:05:39 +0200 (CEST) Received: from po14934vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.231.2]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 9615F8B94E; Wed, 16 May 2018 12:05:39 +0200 (CEST) Received: by po14934vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 6B0966F50D; Wed, 16 May 2018 12:05:39 +0200 (CEST) Message-Id: <bf46e67182d88b66e8e852bf432c4df331611489.1526464250.git.christophe.leroy@c-s.fr> In-Reply-To: <cover.1526464250.git.christophe.leroy@c-s.fr> References: <cover.1526464250.git.christophe.leroy@c-s.fr> From: Christophe Leroy <christophe.leroy@c-s.fr> Subject: [PATCH v2 08/14] powerpc/8xx: Remove PTE_ATOMIC_UPDATES To: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, aneesh.kumar@linux.vnet.ibm.com Date: Wed, 16 May 2018 12:05:39 +0200 (CEST) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
| Series |
Implement use of HW assistance on TLB table walk on 8xx
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expand
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diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h index a9a2919251e0..31401320c1a5 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h @@ -54,9 +54,6 @@ #define _PMD_GUARDED 0x0010 #define _PMD_USER 0x0020 /* APG 1 */ -/* Until my rework is finished, 8xx still needs atomic PTE updates */ -#define PTE_ATOMIC_UPDATES 1 - #ifdef CONFIG_PPC_16K_PAGES #define _PAGE_PSIZE _PAGE_HUGE #endif
commit 1bc54c03117b9 ("powerpc: rework 4xx PTE access and TLB miss") introduced non atomic PTE updates and started the work of removing PTE updates in TLB miss handlers, but kept PTE_ATOMIC_UPDATES for the 8xx with the following comment: /* Until my rework is finished, 8xx still needs atomic PTE updates */ commit fe11dc3f9628e ("powerpc/8xx: Update TLB asm so it behaves as linux mm expects") removed all PTE updates done in TLB miss handlers Therefore, atomic PTE updates are not needed anymore for the 8xx Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/include/asm/nohash/32/pte-8xx.h | 3 --- 1 file changed, 3 deletions(-)