-#endif
-
- /*
- * ESPFIX is a strange bug. All real CPUs have it. Paravirt
- * systems that run Linux at CPL > 0 may or may not have the
- * issue, but, even if they have the issue, there's absolutely
- * nothing we can do about it because we can't use the real IRET
- * instruction.
- *
- * NB: For the time being, only 32-bit kernels support
- * X86_BUG_ESPFIX as such. 64-bit kernels directly choose
- * whether to apply espfix using paravirt hooks. If any
- * non-paravirt system ever shows up that does *not* have the
- * ESPFIX issue, we can change this.
- */
-#ifdef CONFIG_X86_32
-#ifdef CONFIG_PARAVIRT
- do {
- extern void native_iret(void);
- if (pv_cpu_ops.iret == native_iret)
- set_cpu_bug(c, X86_BUG_ESPFIX);
- } while (0);
-#else
- set_cpu_bug(c, X86_BUG_ESPFIX);
-#endif