To be able to restart checkpointed tasks we need to know TLS status at dumping time. Export this information by /proc/$pid/tls entry. Signed-off-by: Cyrill Gorcunov --- fs/proc/base.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) Index: linux-2.6.git/fs/proc/base.c =================================================================== --- linux-2.6.git.orig/fs/proc/base.c +++ linux-2.6.git/fs/proc/base.c @@ -3150,6 +3150,23 @@ static int proc_pid_personality(struct s return err; } +#ifdef CONFIG_X86 +static int proc_pid_tls(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task) +{ + int err = lock_trace(task); + if (!err) { + int i; + for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++) + seq_printf(m, "%x %x\n", + task->thread.tls_array[i].a, + task->thread.tls_array[i].b); + unlock_trace(task); + } + return err; +} +#endif + /* * Thread groups */ @@ -3169,6 +3186,9 @@ static const struct pid_entry tgid_base_ INF("auxv", S_IRUSR, proc_pid_auxv), ONE("status", S_IRUGO, proc_pid_status), ONE("personality", S_IRUGO, proc_pid_personality), +#ifdef CONFIG_X86 + ONE("tls", S_IRUGO, proc_pid_tls), +#endif INF("limits", S_IRUGO, proc_pid_limits), #ifdef CONFIG_SCHED_DEBUG REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations), -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/