Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp1724438pxu; Tue, 24 Nov 2020 07:27:56 -0800 (PST) X-Google-Smtp-Source: ABdhPJwjNbnXEB0400P+bdGAsFkTEvpC3NIN9topSigKj+FPyUKDHTm5Q5c/tyv/IfmiPZkk/5eW X-Received: by 2002:a50:fb13:: with SMTP id d19mr4471265edq.133.1606231676415; Tue, 24 Nov 2020 07:27:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1606231676; cv=none; d=google.com; s=arc-20160816; b=Rbi/CmNHnf2UzjYaP5Ge3AAJ+awWMsF4fvmnlLa80mYfS7akLeN4jV1cEjk0ZH4i4i ufiTHI32jfhSOjhDn8MIDsoMHt9Anw0P0Gb4Uz2tRMUhUlGcBGYByOhNEa7bZk9cEhJS /TEcUH6fhwjBNGe9Wd+MEwFgUoeYiGFIxjugrjX+oujEme6V/XdijiZKXjO1qBK+tBaA TtgVkzLulE/9ceKW3V2uh28GsoDSU4Cmm0vcwS9qKdPz8XQjIfcCAasvA7r2YhHvOQWz EkRHpU0nEdIoCyfupxEUCJ7WKGGQzcfFHX674mtnJqeuAunA75NeoNW4zDu2STk8P+oq Saig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:date:cc:to:subject:from:message-id; bh=4u+6AZ1PW3xqwPb5SkNzu8o6k/fAgxsNPCzVWONHSlU=; b=0z6mxVnXNiWqvyu35IenKvxHOwUN5DNmhYJoLGuNkfofipqYZjiICbR7iES/5tHMUW fN+lZQI/hmAScNL0EbjSvh5FGQiiPR/ZXTo3SyEX+HVazKr3Wd4dECqdim3jI2xLXAmE MupGYCQblpQRTJgyFqF2++zt3dpr+qPDi7NW1qKJ6gfnhuZxQoL2pmhU7oYVARRW4144 /BjwRM/Yl2Sh5/Fzmkg7RymtIZvgMrcVXl8XqCWoYgbpRgYLGXqJkIU+T+MvmfI7a90C G3Djdan8qhDvouGaYBRnfTxOEJyOCPdO8uHFGigAgHXIjNhItzN/B7yN9fGmIc1r5Pbr Y9MA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t21si8947932edq.546.2020.11.24.07.27.32; Tue, 24 Nov 2020 07:27:56 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387698AbgKXPY4 (ORCPT + 99 others); Tue, 24 Nov 2020 10:24:56 -0500 Received: from pegase1.c-s.fr ([93.17.236.30]:55241 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730546AbgKXPY4 (ORCPT ); Tue, 24 Nov 2020 10:24:56 -0500 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4CgSW93hp1z9v0d8; Tue, 24 Nov 2020 16:24:53 +0100 (CET) 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 xRZ94Le8KDIF; Tue, 24 Nov 2020 16:24:53 +0100 (CET) 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 4CgSW92pXqz9v0d5; Tue, 24 Nov 2020 16:24:53 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id EA2998B7B3; Tue, 24 Nov 2020 16:24:54 +0100 (CET) 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 3EGNtlK8EZU6; Tue, 24 Nov 2020 16:24:54 +0100 (CET) Received: from po17688vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id AC1B18B7AF; Tue, 24 Nov 2020 16:24:54 +0100 (CET) Received: by po17688vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 446EF668E2; Tue, 24 Nov 2020 15:24:54 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Tue, 24 Nov 2020 15:24:54 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since commit e611939fc8ec ("powerpc/mm: Ensure change_page_attr() doesn't invalidate pinned TLBs"), pinned TLBs are not anymore invalidated by __kernel_map_pages() when CONFIG_DEBUG_PAGEALLOC is selected. Remove the dependency on CONFIG_DEBUG_PAGEALLOC. Signed-off-by: Christophe Leroy --- arch/powerpc/kernel/head_8xx.S | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index ee0bfebc375f..66ee62f30d36 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -47,8 +47,7 @@ * - Either we have modules * - Or we have not pinned the first 8M */ -#if defined(CONFIG_MODULES) || !defined(CONFIG_PIN_TLB_TEXT) || \ - defined(CONFIG_DEBUG_PAGEALLOC) +#if defined(CONFIG_MODULES) || !defined(CONFIG_PIN_TLB_TEXT) #define ITLB_MISS_KERNEL 1 #endif -- 2.25.0