X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Flttng-statedump-impl.c;h=a0e97e1ca5a53a0f5975f31aa46bbccc2cff1b34;hb=a66ce3814ae0a929f0f4516a2813bbc062ba18f8;hp=95032f87a2db4f2cefa0a4bcf31a9b61c41ccb48;hpb=74019c61b437c21b11b7190800ca8ab859042f6c;p=lttng-modules.git diff --git a/src/lttng-statedump-impl.c b/src/lttng-statedump-impl.c index 95032f87..a0e97e1c 100644 --- a/src/lttng-statedump-impl.c +++ b/src/lttng-statedump-impl.c @@ -36,10 +36,10 @@ #include #include +#include #include #include #include -#include #include #include #include @@ -192,7 +192,8 @@ enum lttng_process_status { }; -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,0,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,0,0) || \ + LTTNG_RHEL_KERNEL_RANGE(5,14,0,163,0,0, 5,15,0,0,0,0)) #define LTTNG_PART_STRUCT_TYPE struct block_device @@ -386,6 +387,20 @@ void lttng_enumerate_device(struct lttng_kernel_session *session, } } +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0)) +static +int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session) +{ + struct net_device *dev; + + rtnl_lock(); + for_each_netdev(&init_net, dev) + lttng_enumerate_device(session, dev); + rtnl_unlock(); + + return 0; +} +#else static int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session) { @@ -398,6 +413,7 @@ int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session) return 0; } +#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0)) */ #else /* CONFIG_INET */ static inline int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session) @@ -429,7 +445,7 @@ int lttng_dump_one_fd(const void *p, struct file *file, unsigned int fd) * the lock is taken, but we are not aware whether this is * guaranteed or not, so play safe. */ - if (fd < fdt->max_fds && lttng_close_on_exec(fd, fdt)) + if (fd < fdt->max_fds && close_on_exec(fd, fdt)) flags |= O_CLOEXEC; if (IS_ERR(s)) { struct dentry *dentry = file->f_path.dentry; @@ -456,7 +472,7 @@ void lttng_enumerate_files(struct lttng_kernel_session *session, { struct lttng_fd_ctx ctx = { .page = tmp, .session = session, .files = files, }; - lttng_iterate_fd(files, 0, lttng_dump_one_fd, &ctx); + iterate_fd(files, 0, lttng_dump_one_fd, &ctx); } #ifdef LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY @@ -599,24 +615,11 @@ void lttng_statedump_process_ns(struct lttng_kernel_session *session, * paranoid behavior of * trace_lttng_statedump_process_user_ns(). */ - user_ns = user_ns ? user_ns->lttng_user_ns_parent : NULL; + user_ns = user_ns ? user_ns->parent : NULL; } while (user_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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) { #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,6,0)) trace_lttng_statedump_process_cgroup_ns(session, p, proxy->cgroup_ns); @@ -632,14 +635,6 @@ void lttng_statedump_process_ns(struct lttng_kernel_session *session, trace_lttng_statedump_process_time_ns(session, p, proxy->time_ns); #endif } -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 } static @@ -806,13 +801,6 @@ EXPORT_SYMBOL_GPL(lttng_statedump_start); static int __init lttng_statedump_init(void) { - /* - * Allow module to load even if the fixup cannot be done. This - * will allow seemless transition when the underlying issue fix - * is merged into the Linux kernel, and when tracepoint.c - * "tracepoint_module_notify" is turned into a static function. - */ - (void) wrapper_lttng_fixup_sig(THIS_MODULE); return 0; }