linux-kernel - [tip:x86/trace] x86, trace: Delete __trace_alloc_intr

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Date:	Fri, 8 Nov 2013 15:10:11 -0800
From:	tip-bot for Seiji Aguchi <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	seiji.aguchi@....com, tglx@...utronix.de, hpa@...ux.intel.com
Subject: [tip:x86/trace] x86, trace: Delete __trace_alloc_intr_gate()

Commit-ID:  ac7956e2699380b8b10146ec2ba8cbe43a03ff7a
Gitweb:     http://git.kernel.org/tip/ac7956e2699380b8b10146ec2ba8cbe43a03ff7a
Author:     Seiji Aguchi <seiji.aguchi@....com>
AuthorDate: Wed, 30 Oct 2013 16:37:47 -0400
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Fri, 8 Nov 2013 14:15:47 -0800

x86, trace: 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>
Link: http://lkml.kernel.org/r/52716E1B.7090205@hds.com
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.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)
 
 /*
--
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