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Message-Id: <1305671358-14478-5-git-send-email-fenghua.yu@intel.com>
Date: Tue, 17 May 2011 15:29:13 -0700
From: "Fenghua Yu" <fenghua.yu@...el.com>
To: "Ingo Molnar" <mingo@...e.hu>,
"Thomas Gleixner" <tglx@...utronix.de>,
"H Peter Anvin" <hpa@...or.com>,
"Asit K Mallick" <asit.k.mallick@...el.com>,
"Linus Torvalds" <torvalds@...ux-foundation.org>,
"Avi Kivity" <avi@...hat.com>,
"Arjan van de Ven" <arjan@...radead.org>,
"Andrew Morton" <akpm@...ux-foundation.org>,
"Andi Kleen" <andi@...stfloor.org>
Cc: "linux-kernel" <linux-kernel@...r.kernel.org>,
"Fenghua Yu" <fenghua.yu@...el.com>
Subject: [PATCH 4/9] x86, alternative-asm.h: Add altinstruction_entry macro
From: Fenghua Yu <fenghua.yu@...el.com>
Add altinstruction_entry macro which will be used in .altinstructions section.
Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
---
arch/x86/include/asm/alternative-asm.h | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
index a63a68b..94d420b 100644
--- a/arch/x86/include/asm/alternative-asm.h
+++ b/arch/x86/include/asm/alternative-asm.h
@@ -15,4 +15,13 @@
.endm
#endif
+.macro altinstruction_entry orig alt feature orig_len alt_len
+ .align 8
+ .quad \orig
+ .quad \alt
+ .word \feature
+ .byte \orig_len
+ .byte \alt_len
+.endm
+
#endif /* __ASSEMBLY__ */
--
1.7.2
--
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