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Message-Id: <20231108125843.3806765-14-arnd@kernel.org>
Date: Wed, 8 Nov 2023 13:58:34 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org,
Masahiro Yamada <masahiroy@...nel.org>,
linux-kbuild@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>, Matt Turner <mattst88@...il.com>,
Vineet Gupta <vgupta@...nel.org>,
Russell King <linux@...linux.org.uk>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Guo Ren <guoren@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Ard Biesheuvel <ardb@...nel.org>,
Huacai Chen <chenhuacai@...nel.org>,
Greg Ungerer <gerg@...ux-m68k.org>,
Michal Simek <monstr@...str.eu>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Dinh Nguyen <dinguyen@...nel.org>,
Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Geoff Levand <geoff@...radead.org>,
Palmer Dabbelt <palmer@...belt.com>,
Heiko Carstens <hca@...ux.ibm.com>,
John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
"David S. Miller" <davem@...emloft.net>,
Andy Lutomirski <luto@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
Helge Deller <deller@....de>,
Sudip Mukherjee <sudipm.mukherjee@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Timur Tabi <timur@...nel.org>,
Kent Overstreet <kent.overstreet@...ux.dev>,
David Woodhouse <dwmw2@...radead.org>,
"Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
Kees Cook <keescook@...omium.org>,
Vincenzo Frascino <vincenzo.frascino@....com>,
Juri Lelli <juri.lelli@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Nicolas Schier <nicolas@...sle.eu>,
Al Viro <viro@...iv.linux.org.uk>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>, linux-alpha@...r.kernel.org,
linux-snps-arc@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
linux-trace-kernel@...r.kernel.org, linux-csky@...r.kernel.org,
loongarch@...ts.linux.dev, linux-m68k@...ts.linux-m68k.org,
linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
netdev@...r.kernel.org, linux-parisc@...r.kernel.org,
linux-usb@...r.kernel.org, linux-fbdev@...r.kernel.org,
dri-devel@...ts.freedesktop.org, linux-bcachefs@...r.kernel.org,
linux-mtd@...ts.infradead.org
Subject: [PATCH 13/22] arch: add do_page_fault prototypes
From: Arnd Bergmann <arnd@...db.de>
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 <arnd@...db.de>
---
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);
--
2.39.2
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