Commit 7127fd36 authored by Jinrong Liang's avatar Jinrong Liang Committed by Paolo Bonzini
Browse files

KVM: x86/emulate: Remove unused "tss_selector" of task_switch_{16, 32}() 



The "u16 tss_selector" parameter of task_switch_{16, 32}()
is not used, so remove it. No functional change intended.

Signed-off-by: default avatarJinrong Liang <cloudliang@tencent.com>
Message-Id: <20220125095909.38122-16-cloudliang@tencent.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 09d9423d

arch/x86/kvm/emulate.c

+4 −7
Original line number Diff line number Diff line
@@ -3012,8 +3012,7 @@ 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;
@@ -3151,8 +3150,7 @@ 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;
@@ -3260,10 +3258,9 @@ 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;