linux-kernel - [PATCH 1/2] x86: Provide guards in uapi/asm/hw_breakpoint.h to prevent deletion by patch

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Date:	Mon, 17 Dec 2012 14:49:25 +0000
From:	David Howells <dhowells@...hat.com>
To:	khali@...ux-fr.org
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] x86: Provide guards in uapi/asm/hw_breakpoint.h to
 prevent deletion by patch

Provide reinclusion guards in the empty uapi/asm/hw_breakpoint.h to make sure
that the patch program doesn't delete it.

However, should some part of asm/hw_breakpoint.h actually be exported here,
or, possibly, should the entire uapi file be removed?  In v3.6, though the
file was marked for export to userspace, it had nothing outside of __KERNEL__.

Signed-off-by: David Howells <dhowells@...hat.com>
cc: Jean Delvare <khali@...ux-fr.org>
---

 arch/x86/include/uapi/asm/hw_breakpoint.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/uapi/asm/hw_breakpoint.h b/arch/x86/include/uapi/asm/hw_breakpoint.h
index e69de29..895596b 100644
--- a/arch/x86/include/uapi/asm/hw_breakpoint.h
+++ b/arch/x86/include/uapi/asm/hw_breakpoint.h
@@ -0,0 +1,4 @@
+#ifndef	_UAPI_I386_HW_BREAKPOINT_H
+#define	_UAPI_I386_HW_BREAKPOINT_H
+
+#endif	/* _UAPI_I386_HW_BREAKPOINT_H */

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