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From:   Jinrong Liang <ljr.kernel@gmail.com>
To:     Paolo Bonzini <pbonzini@redhat.com>
Cc:     Xianting Tian <xianting.tian@linux.alibaba.com>,
        Jim Mattson <jmattson@google.com>,
        Sean Christopherson <seanjc@google.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        Wanpeng Li <wanpengli@tencent.com>,
        Joerg Roedel <joro@8bytes.org>, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH 15/19] KVM: x86/emulate: Remove unused "ctxt" of task_switch_{16, 32}()
Date:   Tue, 25 Jan 2022 17:59:05 +0800
Message-Id: <20220125095909.38122-16-cloudliang@tencent.com>
In-Reply-To: <20220125095909.38122-1-cloudliang@tencent.com>
References: <20220125095909.38122-1-cloudliang@tencent.com>
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From: Jinrong Liang <cloudliang@tencent.com>

The "struct x86_emulate_ctxt *ctxt" parameter of task_switch_{16, 32}()
is not used, so remove it. No functional change intended.

Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
---
 arch/x86/kvm/emulate.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index c2d9fe6449c2..9e4a00d04532 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3020,8 +3020,7 @@ static int load_state_from_tss16(struct x86_emulate_ctxt *ctxt,
 	return X86EMUL_CONTINUE;
 }
 
-static int task_switch_16(struct x86_emulate_ctxt *ctxt,
-			  u16 tss_selector, u16 old_tss_sel,
+static int task_switch_16(struct x86_emulate_ctxt *ctxt, u16 old_tss_sel,
 			  ulong old_tss_base, struct desc_struct *new_desc)
 {
 	struct tss_segment_16 tss_seg;
@@ -3159,8 +3158,7 @@ static int load_state_from_tss32(struct x86_emulate_ctxt *ctxt,
 	return ret;
 }
 
-static int task_switch_32(struct x86_emulate_ctxt *ctxt,
-			  u16 tss_selector, u16 old_tss_sel,
+static int task_switch_32(struct x86_emulate_ctxt *ctxt, u16 old_tss_sel,
 			  ulong old_tss_base, struct desc_struct *new_desc)
 {
 	struct tss_segment_32 tss_seg;
@@ -3268,10 +3266,9 @@ static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
 		old_tss_sel = 0xffff;
 
 	if (next_tss_desc.type & 8)
-		ret = task_switch_32(ctxt, tss_selector, old_tss_sel,
-				     old_tss_base, &next_tss_desc);
+		ret = task_switch_32(ctxt, old_tss_sel, old_tss_base, &next_tss_desc);
 	else
-		ret = task_switch_16(ctxt, tss_selector, old_tss_sel,
+		ret = task_switch_16(ctxt, old_tss_sel,
 				     old_tss_base, &next_tss_desc);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-- 
2.33.1