powerpc/64: make restore_interrupts 64e only

This is not used by 64s.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200915114650.3980244-5-npiggin@gmail.com

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index b725509..631e6d2 100644 (file)
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -191,6 +191,25 @@ notrace unsigned int __check_irq_replay(void)
 
        return 0;
 }
+
+/*
+ * This is specifically called by assembly code to re-enable interrupts
+ * if they are currently disabled. This is typically called before
+ * schedule() or do_signal() when returning to userspace. We do it
+ * in C to avoid the burden of dealing with lockdep etc...
+ *
+ * NOTE: This is called with interrupts hard disabled but not marked
+ * as such in paca->irq_happened, so we need to resync this.
+ */
+void notrace restore_interrupts(void)
+{
+       if (irqs_disabled()) {
+               local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
+               local_irq_enable();
+       } else
+               __hard_irq_enable();
+}
+
 #endif /* CONFIG_PPC_BOOK3E */
 
 void replay_soft_interrupts(void)
@@ -364,24 +383,6 @@ notrace void arch_local_irq_restore(unsigned long mask)
 }
 EXPORT_SYMBOL(arch_local_irq_restore);
 
-/*
- * This is specifically called by assembly code to re-enable interrupts
- * if they are currently disabled. This is typically called before
- * schedule() or do_signal() when returning to userspace. We do it
- * in C to avoid the burden of dealing with lockdep etc...
- *
- * NOTE: This is called with interrupts hard disabled but not marked
- * as such in paca->irq_happened, so we need to resync this.
- */
-void notrace restore_interrupts(void)
-{
-       if (irqs_disabled()) {
-               local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
-               local_irq_enable();
-       } else
-               __hard_irq_enable();
-}
-
 /*
  * This is a helper to use when about to go into idle low-power
  * when the latter has the side effect of re-enabling interrupts