From: Michael Jeanson <mjeanson@efficios.com>
Date: Fri, 18 Nov 2022 22:15:27 +0000 (-0500)
Subject: Drop support for kernels < 4.4 from ns contexts
X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=commitdiff_plain;h=455d6bcc7c93a75c555c340fd8ab6c00edf68551

Drop support for kernels < 4.4 from ns contexts

Change-Id: Ie10299af93193415adfafeccb1c59c4b8c0a0bc0
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/lttng-context-ipc-ns.c b/src/lttng-context-ipc-ns.c
index e6d662bb..28108a0f 100644
--- a/src/lttng-context-ipc-ns.c
+++ b/src/lttng-context-ipc-ns.c
@@ -9,6 +9,8 @@
  *
  */
 
+#ifdef CONFIG_IPC_NS
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
@@ -19,9 +21,6 @@
 #include <wrapper/vmalloc.h>
 #include <lttng/tracer.h>
 
-#if defined(CONFIG_IPC_NS) && \
-	(LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-
 static
 size_t ipc_ns_get_size(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, size_t offset)
 {
diff --git a/src/lttng-context-mnt-ns.c b/src/lttng-context-mnt-ns.c
index cc41dc7d..c4bf5593 100644
--- a/src/lttng-context-mnt-ns.c
+++ b/src/lttng-context-mnt-ns.c
@@ -9,6 +9,8 @@
  *
  */
 
+#ifndef LTTNG_MNT_NS_MISSING_HEADER
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
@@ -19,9 +21,6 @@
 #include <wrapper/vmalloc.h>
 #include <lttng/tracer.h>
 
-#if !defined(LTTNG_MNT_NS_MISSING_HEADER) && \
-	(LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-
 #include <../fs/mount.h>
 
 static
diff --git a/src/lttng-context-net-ns.c b/src/lttng-context-net-ns.c
index 4bc046db..ad6d6d2a 100644
--- a/src/lttng-context-net-ns.c
+++ b/src/lttng-context-net-ns.c
@@ -9,6 +9,8 @@
  *
  */
 
+#ifdef CONFIG_NET_NS
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
@@ -20,9 +22,6 @@
 #include <wrapper/vmalloc.h>
 #include <lttng/tracer.h>
 
-#if defined(CONFIG_NET_NS) && \
-	(LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-
 static
 size_t net_ns_get_size(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, size_t offset)
 {
diff --git a/src/lttng-context-pid-ns.c b/src/lttng-context-pid-ns.c
index fa66b1dd..7458ed32 100644
--- a/src/lttng-context-pid-ns.c
+++ b/src/lttng-context-pid-ns.c
@@ -9,6 +9,8 @@
  *
  */
 
+#ifdef CONFIG_PID_NS
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
@@ -19,9 +21,6 @@
 #include <wrapper/vmalloc.h>
 #include <lttng/tracer.h>
 
-#if defined(CONFIG_PID_NS) && \
-	(LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-
 static
 size_t pid_ns_get_size(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, size_t offset)
 {
diff --git a/src/lttng-context-user-ns.c b/src/lttng-context-user-ns.c
index ab9afa4e..f7ee3f91 100644
--- a/src/lttng-context-user-ns.c
+++ b/src/lttng-context-user-ns.c
@@ -9,6 +9,8 @@
  *
  */
 
+#ifdef CONFIG_USER_NS
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
@@ -19,9 +21,6 @@
 #include <wrapper/vmalloc.h>
 #include <lttng/tracer.h>
 
-#if defined(CONFIG_USER_NS) && \
-	(LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-
 static
 size_t user_ns_get_size(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, size_t offset)
 {
diff --git a/src/lttng-context-uts-ns.c b/src/lttng-context-uts-ns.c
index 455b1603..ca0c58fc 100644
--- a/src/lttng-context-uts-ns.c
+++ b/src/lttng-context-uts-ns.c
@@ -9,6 +9,8 @@
  *
  */
 
+#ifdef CONFIG_UTS_NS
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
@@ -19,9 +21,6 @@
 #include <wrapper/vmalloc.h>
 #include <lttng/tracer.h>
 
-#if defined(CONFIG_UTS_NS) && \
-	(LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-
 static
 size_t uts_ns_get_size(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, size_t offset)
 {