-#ifdef CONFIG_TRACE_IRQFLAGS
- bl .trace_hardirqs_on
- REST_GPR(0,r1)
- REST_4GPRS(3,r1)
- REST_2GPRS(7,r1)
- addi r9,r1,STACK_FRAME_OVERHEAD
- ld r12,_MSR(r1)
-#endif /* CONFIG_TRACE_IRQFLAGS */
- li r10,1
- stb r10,PACASOFTIRQEN(r13)
- stb r10,PACAHARDIRQEN(r13)
- std r10,SOFTE(r1)
-#ifdef CONFIG_PPC_ISERIES
-BEGIN_FW_FTR_SECTION
- /* Hack for handling interrupts when soft-enabling on iSeries */
- cmpdi cr1,r0,0x5555 /* syscall 0x5555 */
- andi. r10,r12,MSR_PR /* from kernel */
- crand 4*cr0+eq,4*cr1+eq,4*cr0+eq
- bne 2f
- b hardware_interrupt_entry
-2:
-END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
-#endif /* CONFIG_PPC_ISERIES */
+ /*
+ * A syscall should always be called with interrupts enabled
+ * so we just unconditionally hard-enable here. When some kind
+ * of irq tracing is used, we additionally check that condition
+ * is correct
+ */
+#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_BUG)
+ lbz r10,PACASOFTIRQEN(r13)
+ xori r10,r10,1
+1: tdnei r10,0
+ EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING
+#endif