ARM: 7123/1: smp: Add an IPI handler callable from C code
In order to be able to handle IPI directly from C code instead of
assembly code, introduce handle_IPI(), which is modeled after handle_IRQ().
Change-Id: I5f6ff150899dc05e7935b07a3287f7c7e7804884
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 5478f55..1455efe 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -562,6 +562,11 @@
*/
asmlinkage void __exception_irq_entry do_IPI(int ipinr, struct pt_regs *regs)
{
+ handle_IPI(ipinr, regs);
+}
+
+void handle_IPI(int ipinr, struct pt_regs *regs)
+{
unsigned int cpu = smp_processor_id();
struct pt_regs *old_regs = set_irq_regs(regs);