arm64: kvm: sys_regs: use string choices helper

We can use string choices helper, let's use it.

Signed-off-by: Kuninori Morimoto <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Oliver Upton <[email protected]>

Author: morimoto

arch/arm64/kvm/sys_regs.c

@@ -4475,7 +4475,7 @@ static bool kvm_esr_cp10_id_to_sys64(u64 esr, struct sys_reg_params *params)
 		return true;
 
 	kvm_pr_unimpl("Unhandled cp10 register %s: %u\n",
-		      params->is_write ? "write" : "read", reg_id);
+		      str_write_read(params->is_write), reg_id);
 	return false;
 }
 

arch/arm64/kvm/sys_regs.h

@@ -108,7 +108,7 @@ inline void print_sys_reg_msg(const struct sys_reg_params *p,
 	/* Look, we even formatted it for you to paste into the table! */
 	kvm_pr_unimpl("%pV { Op0(%2u), Op1(%2u), CRn(%2u), CRm(%2u), Op2(%2u), func_%s },\n",
 		      &(struct va_format){ fmt, &va },
-		      p->Op0, p->Op1, p->CRn, p->CRm, p->Op2, p->is_write ? "write" : "read");
+		      p->Op0, p->Op1, p->CRn, p->CRm, p->Op2, str_write_read(p->is_write));
 	va_end(va);
 }