linux-kernel - [PATCH] powerpc: fix sys_call

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Message-ID: <20141002144131.GA3855@rcane-VirtualBox>
Date:	Thu, 2 Oct 2014 15:41:39 +0100
From:	Romeo Cane <romeo.cane.ext@...iant.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>
CC:	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] powerpc: fix sys_call_table declaration

Declaring sys_call_table as a pointer causes the compiler to generate the wrong lookup code in arch_syscall_addr

Signed-off-by: Romeo Cane <romeo.cane.ext@...iant.com>
---
 arch/powerpc/include/asm/syscall.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h
index b54b2ad..528ba9d 100644
--- a/arch/powerpc/include/asm/syscall.h
+++ b/arch/powerpc/include/asm/syscall.h
@@ -17,7 +17,7 @@
 
 /* ftrace syscalls requires exporting the sys_call_table */
 #ifdef CONFIG_FTRACE_SYSCALLS
-extern const unsigned long *sys_call_table;
+extern const unsigned long sys_call_table[];
 #endif /* CONFIG_FTRACE_SYSCALLS */
 
 static inline long syscall_get_nr(struct task_struct *task,
-- 
1.8.3.2

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