linux-kernel - [PATCH v2] arch: arm64: kernel: add '#ifdef CONFIG_COMPAT' for aarch32_break

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Message-ID: <51C81115.4070803@asianux.com>
Date:	Mon, 24 Jun 2013 17:27:49 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <will.deacon@....com>
CC:	Tony Lindgren <tony@...mide.com>,
	"olof@...om.net" <olof@...om.net>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: [PATCH v2] arch: arm64: kernel: add '#ifdef CONFIG_COMPAT' for aarch32_break_handler()


If 'COMPAT' not defined, aarch32_break_handler() cannot pass compiling,
and it can work independent with 'COMPAT', so remove dummy definition.

The related make:

  make ARCH=arm64 randconfig
  make ARCH=arm64 menuconfig
  make ARCH=arm64 V=1 EXTRA_CFLAGS=-W

The related error:

  arch/arm64/kernel/debug-monitors.c:249:5: error: redefinition of ‘aarch32_break_handler’
  In file included from arch/arm64/kernel/debug-monitors.c:29:0:
  /root/linux-next/arch/arm64/include/asm/debug-monitors.h:89:12: note: previous definition of ‘aarch32_break_handler’ was here



Signed-off-by: Chen Gang <gang.chen@...anux.com>
---
 arch/arm64/include/asm/debug-monitors.h |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h
index ef8235c..a2232d0 100644
--- a/arch/arm64/include/asm/debug-monitors.h
+++ b/arch/arm64/include/asm/debug-monitors.h
@@ -83,14 +83,7 @@ static inline int reinstall_suspended_bps(struct pt_regs *regs)
 }
 #endif
 
-#ifdef CONFIG_COMPAT
 int aarch32_break_handler(struct pt_regs *regs);
-#else
-static int aarch32_break_handler(struct pt_regs *regs)
-{
-	return -EFAULT;
-}
-#endif
 
 #endif	/* __ASSEMBLY */
 #endif	/* __KERNEL__ */
-- 
1.7.7.6
--
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