From patchwork Wed Nov 8 12:58:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 742412 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 A5586C4167B for ; Wed, 8 Nov 2023 13:02:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344675AbjKHNCV (ORCPT ); Wed, 8 Nov 2023 08:02:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344503AbjKHNCS (ORCPT ); Wed, 8 Nov 2023 08:02:18 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AADC1BFE; Wed, 8 Nov 2023 05:02:16 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54E8DC43397; Wed, 8 Nov 2023 13:02:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699448535; bh=UvBPZEJ0GDnePlbmzB0O0cDDu9OzrTkPFQ7DKq1zNkc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Epprvhuyn/gmt9yYVzPoCkJkX/4PqBjsFbfCBlqRIyfGB7iy3AzKDVy3tfX2i0XXF Uy4x1CCfvni7goWMiP4v7HdeMb5yfs4ydCq+36VNit3V94qDapD8SvovUb+ohVp1et UhdhipGmJ7EHGHSkOqI5i8Hak88gF8jqNrCtQpZTJOXqHPzDJ+iCDdgRGZpDIrVPaZ ov5jBAtAW7R5L6RqLgkfu5E5wsqOLFuyPmlC3Db/LK9+M2lHinUmbjU0FtGhZLEoPM ZbML4CXxxu+staTE/ur5oc+p4xlYSa/kEtSdVRB35t+3iMdtfN2kTDnPjbfH98gprI ufK7ZluHODiPw== From: Arnd Bergmann To: Andrew Morton , linux-kernel@vger.kernel.org, Masahiro Yamada , linux-kbuild@vger.kernel.org Cc: Arnd Bergmann , Matt Turner , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Guo Ren , Peter Zijlstra , Ard Biesheuvel , Huacai Chen , Greg Ungerer , Michal Simek , Thomas Bogendoerfer , Dinh Nguyen , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Geoff Levand , Palmer Dabbelt , Heiko Carstens , John Paul Adrian Glaubitz , "David S. Miller" , Andy Lutomirski , Thomas Gleixner , Ingo Molnar , x86@kernel.org, Helge Deller , Sudip Mukherjee , Greg Kroah-Hartman , Timur Tabi , Kent Overstreet , David Woodhouse , "Naveen N. Rao" , Anil S Keshavamurthy , Kees Cook , Vincenzo Frascino , Juri Lelli , Vincent Guittot , Nathan Chancellor , Nick Desaulniers , Nicolas Schier , Al Viro , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-trace-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, netdev@vger.kernel.org, linux-parisc@vger.kernel.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-bcachefs@vger.kernel.org, linux-mtd@lists.infradead.org Subject: [PATCH 13/22] arch: add do_page_fault prototypes Date: Wed, 8 Nov 2023 13:58:34 +0100 Message-Id: <20231108125843.3806765-14-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231108125843.3806765-1-arnd@kernel.org> References: <20231108125843.3806765-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Arnd Bergmann arch/alpha/mm/fault.c:85:1: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/csky/mm/fault.c:187:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/mips/mm/fault.c:323:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/nios2/mm/fault.c:43:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/sh/mm/fault.c:389:27: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/alpha/include/asm/mmu_context.h | 2 ++ arch/csky/include/asm/traps.h | 2 ++ arch/mips/include/asm/traps.h | 3 +++ arch/nios2/include/asm/traps.h | 2 ++ arch/sh/include/asm/traps_32.h | 3 +++ 5 files changed, 12 insertions(+) diff --git a/arch/alpha/include/asm/mmu_context.h b/arch/alpha/include/asm/mmu_context.h index 4eea7c616992..29a3e3a1f02b 100644 --- a/arch/alpha/include/asm/mmu_context.h +++ b/arch/alpha/include/asm/mmu_context.h @@ -183,6 +183,8 @@ ev4_switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm, } extern void __load_new_mm_context(struct mm_struct *); +asmlinkage void do_page_fault(unsigned long address, unsigned long mmcsr, + long cause, struct pt_regs *regs); #ifdef CONFIG_SMP #define check_mmu_context() \ diff --git a/arch/csky/include/asm/traps.h b/arch/csky/include/asm/traps.h index 495ce318d569..6bbbbe43165f 100644 --- a/arch/csky/include/asm/traps.h +++ b/arch/csky/include/asm/traps.h @@ -55,4 +55,6 @@ asmlinkage void trap_c(struct pt_regs *regs); asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags); +asmlinkage void do_page_fault(struct pt_regs *regs); + #endif /* __ASM_CSKY_TRAPS_H */ diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h index 15cde638b407..d4d9f8a8fdea 100644 --- a/arch/mips/include/asm/traps.h +++ b/arch/mips/include/asm/traps.h @@ -39,4 +39,7 @@ extern char except_vec_nmi[]; register_nmi_notifier(&fn##_nb); \ }) +asmlinkage void do_page_fault(struct pt_regs *regs, + unsigned long write, unsigned long address); + #endif /* _ASM_TRAPS_H */ diff --git a/arch/nios2/include/asm/traps.h b/arch/nios2/include/asm/traps.h index 82a48473280d..afd77bef01c6 100644 --- a/arch/nios2/include/asm/traps.h +++ b/arch/nios2/include/asm/traps.h @@ -14,6 +14,8 @@ #ifndef __ASSEMBLY__ void _exception(int signo, struct pt_regs *regs, int code, unsigned long addr); +void do_page_fault(struct pt_regs *regs, unsigned long cause, + unsigned long address); #endif #endif /* _ASM_NIOS2_TRAPS_H */ diff --git a/arch/sh/include/asm/traps_32.h b/arch/sh/include/asm/traps_32.h index 8c5bbb7b6053..8f14071bea72 100644 --- a/arch/sh/include/asm/traps_32.h +++ b/arch/sh/include/asm/traps_32.h @@ -43,6 +43,9 @@ static inline void trigger_address_error(void) asmlinkage void do_address_error(struct pt_regs *regs, unsigned long writeaccess, unsigned long address); +asmlinkage void do_page_fault(struct pt_regs *regs, + unsigned long error_code, + unsigned long address); asmlinkage void do_divide_error(unsigned long r4); asmlinkage void do_reserved_inst(void); asmlinkage void do_illegal_slot_inst(void);