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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-07-09 15:31:28 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-07-09 16:11:17 +1000
commit89c81797d4a0779a957f4ea1f0c676cda203615b (patch)
tree1c1e175ea4dd2c8aeb1816a7e6e39062e24ae860 /arch/powerpc/kernel/irq.c
parente8775d4aa17d70d123814e68a6a51bbea50e5c16 (diff)
downloadlwn-89c81797d4a0779a957f4ea1f0c676cda203615b.tar.gz
lwn-89c81797d4a0779a957f4ea1f0c676cda203615b.zip
powerpc/book3e: Hookup doorbells exceptions on 64-bit Book3E
Note that critical doorbells are an unimplemented stub just like other critical or machine check handlers, since we haven't done support for "levelled" exceptions yet. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
-rw-r--r--arch/powerpc/kernel/irq.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index fa6f38525801..2f6dc7faf6de 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -64,6 +64,8 @@
#include <asm/ptrace.h>
#include <asm/machdep.h>
#include <asm/udbg.h>
+#include <asm/dbell.h>
+
#ifdef CONFIG_PPC64
#include <asm/paca.h>
#include <asm/firmware.h>
@@ -153,6 +155,11 @@ notrace void raw_local_irq_restore(unsigned long en)
if (get_hard_enabled())
return;
+#if defined(CONFIG_BOOKE) && defined(CONFIG_SMP)
+ /* Check for pending doorbell interrupts on SMP */
+ doorbell_exception(NULL);
+#endif
+
/*
* Need to hard-enable interrupts here. Since currently disabled,
* no need to take further asm precautions against preemption; but