@@ -272,6 +272,7 @@ extern void omap_auxcoreboot_addr(u32 cpu_addr);
extern u32 omap_read_auxcoreboot0(void);
extern void omap4_cpu_die(unsigned int cpu);
+extern int omap4_cpu_kill(unsigned int cpu);
extern const struct smp_operations omap4_smp_ops;
@@ -64,3 +64,9 @@ void omap4_cpu_die(unsigned int cpu)
pr_debug("CPU%u: spurious wakeup call\n", cpu);
}
}
+
+/* Needed by kexec and platform_can_cpu_hotplug() */
+int omap4_cpu_kill(unsigned int cpu)
+{
+ return 1;
+}
@@ -329,5 +329,6 @@ const struct smp_operations omap4_smp_ops __initconst = {
.smp_boot_secondary = omap4_boot_secondary,
#ifdef CONFIG_HOTPLUG_CPU
.cpu_die = omap4_cpu_die,
+ .cpu_kill = omap4_cpu_kill,
#endif
};
Kexec needs omap4_cpu_kill, otherwise kexec will produce on SMP: kexec_load failed: Invalid argument Signed-off-by: Tony Lindgren <tony@atomide.com> --- arch/arm/mach-omap2/common.h | 1 + arch/arm/mach-omap2/omap-hotplug.c | 6 ++++++ arch/arm/mach-omap2/omap-smp.c | 1 + 3 files changed, 8 insertions(+)