[PATCH] tty: ->signal->tty locking

[safe/jmp/linux-2.6] / drivers / char / sysrq.c

diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index c64f5bc..05810c8 100644 (file)
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -182,6 +182,18 @@ static struct sysrq_key_op sysrq_showstate_op = {
        .enable_mask    = SYSRQ_ENABLE_DUMP,
 };
 
+static void sysrq_handle_showstate_blocked(int key, struct tty_struct *tty)
+{
+       show_state_filter(TASK_UNINTERRUPTIBLE);
+}
+static struct sysrq_key_op sysrq_showstate_blocked_op = {
+       .handler        = sysrq_handle_showstate_blocked,
+       .help_msg       = "showBlockedTasks",
+       .action_msg     = "Show Blocked State",
+       .enable_mask    = SYSRQ_ENABLE_DUMP,
+};
+
+
 static void sysrq_handle_showmem(int key, struct tty_struct *tty)
 {
        show_mem();
@@ -304,7 +316,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
        /* May be assigned at init time by SMP VOYAGER */
        NULL,                           /* v */
        NULL,                           /* w */
-       NULL,                           /* x */
+       &sysrq_showstate_blocked_op,    /* x */
        NULL,                           /* y */
        NULL                            /* z */
 };