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

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

Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Message-Id: <20220125095909.38122-16-cloudliang@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jinrong Liang 2022-01-25 17:59:05 +08:00 committed by Paolo Bonzini
parent 09d9423d0e
commit 7127fd3677
1 changed files with 4 additions and 7 deletions
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11
arch/x86/kvm/emulate.c
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@ -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;