linux-kernel - [PATCH v4 3/4] Delete __trace_alloc_intr

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Date:	Wed, 30 Oct 2013 16:37:47 -0400
From:	Seiji Aguchi <seiji.aguchi@....com>
To:	linux-kernel@...r.kernel.org, x86@...nel.org
CC:	hpa@...or.com, rostedt@...dmis.org, mingo@...e.hu, bp@...en8.de,
	tglx@...utronix.de, fdeslaur@...il.com, raphael.beamonte@...il.com,
	dle-develop@...ts.sourceforge.net, tomoki.sekiyama@....com
Subject: [PATCH v4 3/4] Delete __trace_alloc_intr_gate()

Currently irq vector handlers for tracing are registered in both set_intr_gate()
 and __trace_alloc_intr_gate() in alloc_intr_gate().
But, we don't need to do that twice.
So, let's delete __trace_alloc_intr_gate().

Signed-off-by: Seiji Aguchi <seiji.aguchi@....com>
---
 arch/x86/include/asm/desc.h | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index 3d73437..50d033a 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -392,32 +392,10 @@ static inline void alloc_system_vector(int vector)
 	}
 }
 
-#ifdef CONFIG_TRACING
-static inline void trace_set_intr_gate(unsigned int gate, void *addr)
-{
-	gate_desc s;
-
-	pack_gate(&s, GATE_INTERRUPT, (unsigned long)addr, 0, 0, __KERNEL_CS);
-	write_idt_entry(trace_idt_table, gate, &s);
-}
-
-static inline void __trace_alloc_intr_gate(unsigned int n, void *addr)
-{
-	trace_set_intr_gate(n, addr);
-}
-#else
-static inline void trace_set_intr_gate(unsigned int gate, void *addr)
-{
-}
-
-#define __trace_alloc_intr_gate(n, addr)
-#endif
-
 #define alloc_intr_gate(n, addr)				\
 	do {							\
 		alloc_system_vector(n);				\
 		set_intr_gate(n, addr);				\
-		__trace_alloc_intr_gate(n, trace_##addr);	\
 	} while (0)
 
 /*
-- 
1.8.3.1


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