X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Flttng-statedump-impl.c;h=0b09027adf29a9f856c0410ad4154eff8a32311c;hb=a9d49ac600f171e2289c8c409587bbcf2eec9f99;hp=95032f87a2db4f2cefa0a4bcf31a9b61c41ccb48;hpb=74019c61b437c21b11b7190800ca8ab859042f6c;p=lttng-modules.git

diff --git a/src/lttng-statedump-impl.c b/src/lttng-statedump-impl.c
index 95032f87..0b09027a 100644
--- a/src/lttng-statedump-impl.c
+++ b/src/lttng-statedump-impl.c
@@ -39,7 +39,6 @@
 #include <wrapper/cpu.h>
 #include <wrapper/irqdesc.h>
 #include <wrapper/fdtable.h>
-#include <wrapper/namespace.h>
 #include <wrapper/tracepoint.h>
 #include <wrapper/blkdev.h>
 #include <wrapper/fdtable.h>
@@ -192,7 +191,8 @@ 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
 
@@ -429,7 +429,7 @@ 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 +456,7 @@ 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 +599,11 @@ 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 +619,6 @@ 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 +785,6 @@ 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;
 }