From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.3 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50DC1C433E1 for ; Wed, 26 Aug 2020 15:02:03 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9AB8C2074A for ; Wed, 26 Aug 2020 15:02:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tV4+5Nx+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9AB8C2074A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4Bc8GH2NmQzDqP1 for ; Thu, 27 Aug 2020 01:01:59 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::1043; helo=mail-pj1-x1043.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=tV4+5Nx+; dkim-atps=neutral Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Bc85821nYzDqRD for ; Thu, 27 Aug 2020 00:54:01 +1000 (AEST) Received: by mail-pj1-x1043.google.com with SMTP id nv17so1000448pjb.3 for ; Wed, 26 Aug 2020 07:54:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lZpeavpM6FR0EH3kfJJE/Au2m2iIw9NIl2DBgHhhejM=; b=tV4+5Nx+mWlMy1oPzbYssmbGFGn5MHDir+9Ml+ngC5YXRaOzyAwOFaifKm1R8UaWLX WQkXZvfbvY3oB5ULl79mFnabYoRV5BVHIVLrPO7hSistjiLvksufno1oOheZpuNe7odh cPO43oxRGgxo+TNxe1CNAUffQQJbpZlOvD1bN7nsgaLANe3l/5uKXIeq538FdXpyrHPR OgSaag90wBeVfRqyZUYj6CDGbu1+vItm3CEXZ02Jo8biOWyVnUPQhdZ1V6goCeTzxSSL TdSWKrdJAB4gR9cj8GvLOhpfeXcZelfyOXPY1BKqy3ngWA/gWgmLXh5kB6C1C5rA8jzc qavQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lZpeavpM6FR0EH3kfJJE/Au2m2iIw9NIl2DBgHhhejM=; b=A3Td8BWTmK5XrcjHzf9dY7UabHfBIwOIOoLNfyyOz637OiuEO/fEdDwQ8XmAnXTVTl GoYFbcph4jNzZumOrfwgEzJZxEg0rHAiyDzO1W0Iyvayk9ONwuHEFGAbCoEFL18Q1OU/ 5rKSEhsCv3qx/gmSkqkkGiOvCIT+AxKQzEyJ9zOPq8Q4Ibvu5lf7QsJA0R6H6nZsw1oU 3Z3CZIdzqxf6y4Tnw71LP+MsiN6aMpCVcFGAItWr0V4IEtapa+28OYmzpXxjudPKnZHM WAGagXCRaW92lxYdTI7uWinlAcDhf+EG34AuEsJ0itfzLq7GgL0QXn9e5Q/PsTo23TS7 RBFQ== X-Gm-Message-State: AOAM5327njvqrJ7q69zYPSp00utp9/QMoIbLZGwRPAHNQl3Qc1I6gJ++ PkmvjBvWcN8u6aUWMriWbgU= X-Google-Smtp-Source: ABdhPJx2B9QoNopM3vjtHv2uBEnKqWYo0WOtGbIQ2+KMIlZyPXpfHeAM0oiNKIprYdNp4bvVxSnUYw== X-Received: by 2002:a17:902:704b:: with SMTP id h11mr12417938plt.307.1598453637947; Wed, 26 Aug 2020 07:53:57 -0700 (PDT) Received: from bobo.ozlabs.ibm.com (61-68-212-105.tpgi.com.au. [61.68.212.105]) by smtp.gmail.com with ESMTPSA id r7sm3327140pfl.186.2020.08.26.07.53.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Aug 2020 07:53:57 -0700 (PDT) From: Nicholas Piggin To: linux-arch@vger.kernel.org Subject: [PATCH v2 16/23] powerpc: use asm-generic/mmu_context.h for no-op implementations Date: Thu, 27 Aug 2020 00:52:42 +1000 Message-Id: <20200826145249.745432-17-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200826145249.745432-1-npiggin@gmail.com> References: <20200826145249.745432-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , linux-kernel@vger.kernel.org, Nicholas Piggin , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Nicholas Piggin --- arch/powerpc/include/asm/mmu_context.h | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 7f3658a97384..bc22e247ab55 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -14,7 +14,9 @@ /* * Most if the context management is out of line */ +#define init_new_context init_new_context extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); +#define destroy_context destroy_context extern void destroy_context(struct mm_struct *mm); #ifdef CONFIG_SPAPR_TCE_IOMMU struct mm_iommu_table_group_mem_t; @@ -235,27 +237,15 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, } #define switch_mm_irqs_off switch_mm_irqs_off - -#define deactivate_mm(tsk,mm) do { } while (0) - -/* - * After we have set current->mm to a new value, this activates - * the context for the new mm so we see the new mappings. - */ -static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) -{ - switch_mm(prev, next, current); -} - -/* We don't currently use enter_lazy_tlb() for anything */ +#ifdef CONFIG_PPC_BOOK3E_64 +#define enter_lazy_tlb enter_lazy_tlb static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { /* 64-bit Book3E keeps track of current PGD in the PACA */ -#ifdef CONFIG_PPC_BOOK3E_64 get_paca()->pgd = NULL; -#endif } +#endif extern void arch_exit_mmap(struct mm_struct *mm); @@ -298,5 +288,7 @@ static inline int arch_dup_mmap(struct mm_struct *oldmm, return 0; } +#include + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_MMU_CONTEXT_H */ -- 2.23.0