mips/panic: replace smp_send_stop() with kdump friendly version in panic path

[cascardo/linux.git] / arch / mips / cavium-octeon / setup.c

diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index cb16fcc..5537f95 100644 (file)
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -267,6 +267,17 @@ static void octeon_crash_shutdown(struct pt_regs *regs)
        default_machine_crash_shutdown(regs);
 }
 
+#ifdef CONFIG_SMP
+void octeon_crash_smp_send_stop(void)
+{
+       int cpu;
+
+       /* disable watchdogs */
+       for_each_online_cpu(cpu)
+               cvmx_write_csr(CVMX_CIU_WDOGX(cpu_logical_map(cpu)), 0);
+}
+#endif
+
 #endif /* CONFIG_KEXEC */
 
 #ifdef CONFIG_CAVIUM_RESERVE32
@@ -911,6 +922,9 @@ void __init prom_init(void)
        _machine_kexec_shutdown = octeon_shutdown;
        _machine_crash_shutdown = octeon_crash_shutdown;
        _machine_kexec_prepare = octeon_kexec_prepare;
+#ifdef CONFIG_SMP
+       _crash_smp_send_stop = octeon_crash_smp_send_stop;
+#endif
 #endif
 
        octeon_user_io_init();