linux-kernel - [PATCH 05/10] sparc64: Fix prototype warning for uprobe

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Message-Id: <20240330-sparc64-warnings-v1-5-37201023ee2f@ravnborg.org>
Date: Sat, 30 Mar 2024 10:57:41 +0100
From: Sam Ravnborg via B4 Relay <devnull+sam.ravnborg.org@...nel.org>
To: Andreas Larsson <andreas@...sler.com>, 
 "David S. Miller" <davem@...emloft.net>, sparclinux@...r.kernel.org
Cc: Nick Bowler <nbowler@...conx.ca>, linux-kernel@...r.kernel.org, 
 Arnd Bergmann <arnd@...db.de>, Sam Ravnborg <sam@...nborg.org>
Subject: [PATCH 05/10] sparc64: Fix prototype warning for uprobe_trap

From: Sam Ravnborg <sam@...nborg.org>

Fix the following warning:
arch/sparc/kernel/uprobes.c:237:17: warning: no previous prototype for ‘uprobe_trap’

Add a prototype to kernel/kernel.h to silence the warning.
This is a fix already used for other trap handlers.

Signed-off-by: Sam Ravnborg <sam@...nborg.org>
Cc: Andreas Larsson <andreas@...sler.com>
Cc: "David S. Miller" <davem@...emloft.net>
---
 arch/sparc/kernel/kernel.h  | 4 ++++
 arch/sparc/kernel/uprobes.c | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h
index a8fb7c0bf053..8328a3b78a44 100644
--- a/arch/sparc/kernel/kernel.h
+++ b/arch/sparc/kernel/kernel.h
@@ -40,6 +40,10 @@ int handle_popc(u32 insn, struct pt_regs *regs);
 void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
 
+/* uprobes.c */
+asmlinkage void uprobe_trap(struct pt_regs *regs,
+			    unsigned long trap_level);
+
 /* smp_64.c */
 void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
 void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs);
diff --git a/arch/sparc/kernel/uprobes.c b/arch/sparc/kernel/uprobes.c
index 1a0600206bf5..305017bec164 100644
--- a/arch/sparc/kernel/uprobes.c
+++ b/arch/sparc/kernel/uprobes.c
@@ -18,6 +18,8 @@
 
 #include <asm/cacheflush.h>
 
+#include "kernel.h"
+
 /* Compute the address of the breakpoint instruction and return it.
  *
  * Note that uprobe_get_swbp_addr is defined as a weak symbol in

-- 
2.34.1