powerpc fixes for 4.7 #5

- tm: Always reclaim in start_thread() for exec() class syscalls from Cyril Bur
  - tm: Avoid SLB faults in treclaim/trecheckpoint when RI=0 from Michael Neuling
  - eeh: Fix wrong argument passed to eeh_rmv_device() from Gavin Shan
  - Initialise pci_io_base as early as possible from Darren Stevens
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Merge tag 'powerpc-4.7-5' into next

Pull in the fixes we sent during 4.7, we have code we want to merge into
next that depends on some of them.

arch/powerpc/kernel/process.c

@@ -1527,6 +1527,16 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
 		current->thread.regs = regs - 1;
 	}
 
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+	/*
+	 * Clear any transactional state, we're exec()ing. The cause is
+	 * not important as there will never be a recheckpoint so it's not
+	 * user visible.
+	 */
+	if (MSR_TM_SUSPENDED(mfmsr()))
+		tm_reclaim_current(0);
+#endif
+
 	memset(regs->gpr, 0, sizeof(regs->gpr));
 	regs->ctr = 0;
 	regs->link = 0;