X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-statedump-impl.c;h=1c09e51a8ce6a454b4bb8c86b3e079789cc9cfcd;hb=aba7d7fc4ec0cf2828ed50b22d6171074635e856;hp=a2520433216f0f79d5a502cf5dbb4389222a7d0a;hpb=6ffbd2c763bc17c061306e065bf738a880c0ac58;p=lttng-modules.git diff --git a/lttng-statedump-impl.c b/lttng-statedump-impl.c index a2520433..1c09e51a 100644 --- a/lttng-statedump-impl.c +++ b/lttng-statedump-impl.c @@ -52,7 +52,6 @@ #include #include #include -#include #include #include #include @@ -392,43 +391,14 @@ void lttng_statedump_process_ns(struct lttng_session *session, enum lttng_execution_submode submode, enum lttng_process_status status) { - struct nsproxy *proxy; struct pid_namespace *pid_ns; - /* - * Back and forth on locking strategy within Linux upstream for nsproxy. - * See Linux upstream commit 728dba3a39c66b3d8ac889ddbe38b5b1c264aec3 - * "namespaces: Use task_lock and not rcu to protect nsproxy" - * for details. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0) || \ - LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,36, 3,14,0,0) || \ - LTTNG_UBUNTU_KERNEL_RANGE(3,16,1,11, 3,17,0,0) || \ - LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,13,0, 3,11,0,0,0,0)) - proxy = p->nsproxy; -#else - rcu_read_lock(); - proxy = task_nsproxy(p); -#endif - if (proxy) { - pid_ns = lttng_get_proxy_pid_ns(proxy); - do { - trace_lttng_statedump_process_state(session, - p, type, mode, submode, status, pid_ns); - pid_ns = pid_ns->parent; - } while (pid_ns); - } else { + pid_ns = task_active_pid_ns(p); + do { trace_lttng_statedump_process_state(session, - p, type, mode, submode, status, NULL); - } -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0) || \ - LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,36, 3,14,0,0) || \ - LTTNG_UBUNTU_KERNEL_RANGE(3,16,1,11, 3,17,0,0) || \ - LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,13,0, 3,11,0,0,0,0)) - /* (nothing) */ -#else - rcu_read_unlock(); -#endif + p, type, mode, submode, status, pid_ns); + pid_ns = pid_ns->parent; + } while (pid_ns); } static