linux-kernel - [PATCH v1 1/5] KVM: arm/arm64: Remove kvm_mmio

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Date:   Wed, 12 Jun 2019 09:08:42 +0000
From:   Zenghui Yu <yuzenghui@...wei.com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <kvmarm@...ts.cs.columbia.edu>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-perf-users@...r.kernel.org>
CC:     <christoffer.dall@....com>, <marc.zyngier@....com>,
        <acme@...hat.com>, <peterz@...radead.org>, <mingo@...hat.com>,
        <ganapatrao.kulkarni@...ium.com>, <catalin.marinas@....com>,
        <will.deacon@....com>, <mark.rutland@....com>, <acme@...nel.org>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>,
        <namhyung@...nel.org>, <wanghaibin.wang@...wei.com>,
        <xiexiangyou@...wei.com>, <linuxarm@...wei.com>,
        Zenghui Yu <yuzenghui@...wei.com>
Subject: [PATCH v1 1/5] KVM: arm/arm64: Remove kvm_mmio_emulate tracepoint

In current KVM/ARM code, no one will invoke trace_kvm_mmio_emulate().
Remove this TRACE_EVENT definition.

Cc: Christoffer Dall <christoffer.dall@....com>
Cc: Marc Zyngier <marc.zyngier@....com>
Signed-off-by: Zenghui Yu <yuzenghui@...wei.com>
---
 virt/kvm/arm/trace.h | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/virt/kvm/arm/trace.h b/virt/kvm/arm/trace.h
index 204d210..8b7dff2 100644
--- a/virt/kvm/arm/trace.h
+++ b/virt/kvm/arm/trace.h
@@ -114,27 +114,6 @@
 		  __entry->type, __entry->vcpu_idx, __entry->irq_num, __entry->level)
 );
 
-TRACE_EVENT(kvm_mmio_emulate,
-	TP_PROTO(unsigned long vcpu_pc, unsigned long instr,
-		 unsigned long cpsr),
-	TP_ARGS(vcpu_pc, instr, cpsr),
-
-	TP_STRUCT__entry(
-		__field(	unsigned long,	vcpu_pc		)
-		__field(	unsigned long,	instr		)
-		__field(	unsigned long,	cpsr		)
-	),
-
-	TP_fast_assign(
-		__entry->vcpu_pc		= vcpu_pc;
-		__entry->instr			= instr;
-		__entry->cpsr			= cpsr;
-	),
-
-	TP_printk("Emulate MMIO at: 0x%08lx (instr: %08lx, cpsr: %08lx)",
-		  __entry->vcpu_pc, __entry->instr, __entry->cpsr)
-);
-
 TRACE_EVENT(kvm_unmap_hva_range,
 	TP_PROTO(unsigned long start, unsigned long end),
 	TP_ARGS(start, end),
-- 
1.8.3.1