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Subject[PATCH 02/01] KVM: x86: Use a typedef for fastop functions
Date
Add a typedef to for the fastop function prototype to make the code more
readable.

No functional change intended.

Cc: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---

Applies on top of Miaohe's patch. Feel free to squash this.

arch/x86/kvm/emulate.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 0accce94f660..ddbc61984227 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -311,7 +311,9 @@ static void invalidate_registers(struct x86_emulate_ctxt *ctxt)
#define ON64(x)
#endif

-static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *));
+typedef void (*fastop_t)(struct fastop *);
+
+static int fastop(struct x86_emulate_ctxt *ctxt, fastop_t fop);

#define __FOP_FUNC(name) \
".align " __stringify(FASTOP_SIZE) " \n\t" \
@@ -5502,7 +5504,7 @@ static void fetch_possible_mmx_operand(struct operand *op)
read_mmx_reg(&op->mm_val, op->addr.mm);
}

-static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *))
+static int fastop(struct x86_emulate_ctxt *ctxt, fastop_t fop)
{
ulong flags = (ctxt->eflags & EFLAGS_MASK) | X86_EFLAGS_IF;

@@ -5680,12 +5682,10 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
ctxt->eflags &= ~X86_EFLAGS_RF;

if (ctxt->execute) {
- if (ctxt->d & Fastop) {
- void (*fop)(struct fastop *) = (void *)ctxt->execute;
- rc = fastop(ctxt, fop);
- } else {
+ if (ctxt->d & Fastop)
+ rc = fastop(ctxt, (fastop_t)ctxt->execute);
+ else
rc = ctxt->execute(ctxt);
- }
if (rc != X86EMUL_CONTINUE)
goto done;
goto writeback;
--
2.24.1
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