Merge tag 'ras_for_3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into...

[cascardo/linux.git] / kernel / debug / kdb / kdb_main.c

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 8d84979..f191bdd 100644 (file)
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -2201,6 +2201,8 @@ static void kdb_cpu_status(void)
        for (start_cpu = -1, i = 0; i < NR_CPUS; i++) {
                if (!cpu_online(i)) {
                        state = 'F';    /* cpu is offline */
+               } else if (!kgdb_info[i].enter_kgdb) {
+                       state = 'D';    /* cpu is online but unresponsive */
                } else {
                        state = ' ';    /* cpu is responding to kdb */
                        if (kdb_task_state_char(KDB_TSK(i)) == 'I')
@@ -2254,7 +2256,7 @@ static int kdb_cpu(int argc, const char **argv)
        /*
         * Validate cpunum
         */
-       if ((cpunum > NR_CPUS) || !cpu_online(cpunum))
+       if ((cpunum > NR_CPUS) || !kgdb_info[cpunum].enter_kgdb)
                return KDB_BADCPUNUM;
 
        dbg_switch_cpu = cpunum;