9600 LDT still not happy under KPTI

@@ -2052,25 +2052,23 @@
  * every context switch by installing different context ops, depending on
  * x86_featureset, at LDT creation time -- one for each combination of fast
  * syscall features.
  */
 
-/*ARGSUSED*/
 void
-cpu_fast_syscall_disable(void *arg)
+cpu_fast_syscall_disable(void)
 {
         if (is_x86_feature(x86_featureset, X86FSET_MSR) &&
             is_x86_feature(x86_featureset, X86FSET_SEP))
                 cpu_sep_disable();
         if (is_x86_feature(x86_featureset, X86FSET_MSR) &&
             is_x86_feature(x86_featureset, X86FSET_ASYSC))
                 cpu_asysc_disable();
 }
 
-/*ARGSUSED*/
 void
-cpu_fast_syscall_enable(void *arg)
+cpu_fast_syscall_enable(void)
 {
         if (is_x86_feature(x86_featureset, X86FSET_MSR) &&
             is_x86_feature(x86_featureset, X86FSET_SEP))
                 cpu_sep_enable();
         if (is_x86_feature(x86_featureset, X86FSET_MSR) &&