linux-kernel - [PATCH 2/2] hw-breakpoints: Add two reserved fields for future extensions

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Date:	Thu,  3 Dec 2009 22:16:04 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Prasad <prasad@...ux.vnet.ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Will Deacon <will.deacon@....com>,
	Paul Mundt <lethal@...ux-sh.org>
Subject: [PATCH 2/2] hw-breakpoints: Add two reserved fields for future extensions

Add two reserved fields for future extensions in the hardware
breakpoints interface. Further needs may arise.

Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Prasad <prasad@...ux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Will Deacon <will.deacon@....com>
Cc: Paul Mundt <lethal@...ux-sh.org>
---
 include/linux/perf_event.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 771d04c..89832cc 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -221,6 +221,8 @@ struct perf_event_attr {
 			__u64		bp_end;
 			__u32		bp_type;
 			__u32		bp_len;
+			__u64		__bp_reserved_1;
+			__u64		__bp_reserved_2;
 		};
 	};
 
-- 
1.6.2.3

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