path: root/arch/arm/include/asm/smp.h
diff options
authorShawn Guo <shawn.guo@linaro.org>2011-10-06 15:18:14 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-10-17 09:02:43 +0100
commit0b5a1b95dcdfa451125132d5ce3f79a27ffb0950 (patch)
tree0a2ae9da15b1a9789bf3cc3ccff37b961dacfc1b /arch/arm/include/asm/smp.h
parent26a527e69d6e6077bff9e2cddcb08337ac33a52d (diff)
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(). Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/smp.h')
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index 674ebcd337f..0a17b62538c 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -33,6 +33,11 @@ extern void show_ipi_list(struct seq_file *, int);
asmlinkage void do_IPI(int ipinr, struct pt_regs *regs);
+ * Called from C code, this handles an IPI.
+ */
+void handle_IPI(int ipinr, struct pt_regs *regs);
* Setup the set of possible CPUs (via set_cpu_possible)
extern void smp_init_cpus(void);