X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-context-uts-ns.c;fp=lttng-context-uts-ns.c;h=0000000000000000000000000000000000000000;hb=cfa6cc1d0f01c2cfcc1a679abf3a6572d411c309;hp=b4284a5c5cf0d4fe854437fdf20c6cef06b88a3c;hpb=cd4486798c2b046ea93b89439cd705e93c40b349;p=lttng-modules.git

diff --git a/lttng-context-uts-ns.c b/lttng-context-uts-ns.c
deleted file mode 100644
index b4284a5c..00000000
--- a/lttng-context-uts-ns.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
- *
- * lttng-context-uts-ns.c
- *
- * LTTng uts namespace context.
- *
- * Copyright (C) 2009-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *               2019 Michael Jeanson <mjeanson@efficios.com>
- *
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <linux/utsname.h>
-#include <lttng/events.h>
-#include <ringbuffer/frontend_types.h>
-#include <wrapper/vmalloc.h>
-#include <wrapper/namespace.h>
-#include <lttng/tracer.h>
-
-#if defined(CONFIG_UTS_NS) && \
-	(LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
-
-static
-size_t uts_ns_get_size(size_t offset)
-{
-	size_t size = 0;
-
-	size += lib_ring_buffer_align(offset, lttng_alignof(unsigned int));
-	size += sizeof(unsigned int);
-	return size;
-}
-
-static
-void uts_ns_record(struct lttng_ctx_field *field,
-		 struct lib_ring_buffer_ctx *ctx,
-		 struct lttng_channel *chan)
-{
-	unsigned int uts_ns_inum = 0;
-
-	/*
-	 * nsproxy can be NULL when scheduled out of exit.
-	 *
-	 * As documented in 'linux/nsproxy.h' namespaces access rules, no
-	 * precautions should be taken when accessing the current task's
-	 * namespaces, just dereference the pointers.
-	 */
-	if (current->nsproxy)
-		uts_ns_inum = current->nsproxy->uts_ns->lttng_ns_inum;
-
-	lib_ring_buffer_align_ctx(ctx, lttng_alignof(uts_ns_inum));
-	chan->ops->event_write(ctx, &uts_ns_inum, sizeof(uts_ns_inum));
-}
-
-static
-void uts_ns_get_value(struct lttng_ctx_field *field,
-		struct lttng_probe_ctx *lttng_probe_ctx,
-		union lttng_ctx_value *value)
-{
-	unsigned int uts_ns_inum = 0;
-
-	/*
-	 * nsproxy can be NULL when scheduled out of exit.
-	 *
-	 * As documented in 'linux/nsproxy.h' namespaces access rules, no
-	 * precautions should be taken when accessing the current task's
-	 * namespaces, just dereference the pointers.
-	 */
-	if (current->nsproxy)
-		uts_ns_inum = current->nsproxy->uts_ns->lttng_ns_inum;
-
-	value->s64 = uts_ns_inum;
-}
-
-int lttng_add_uts_ns_to_ctx(struct lttng_ctx **ctx)
-{
-	struct lttng_ctx_field *field;
-
-	field = lttng_append_context(ctx);
-	if (!field)
-		return -ENOMEM;
-	if (lttng_find_context(*ctx, "uts_ns")) {
-		lttng_remove_context_field(ctx, field);
-		return -EEXIST;
-	}
-	field->event_field.name = "uts_ns";
-	field->event_field.type.atype = atype_integer;
-	field->event_field.type.u.integer.size = sizeof(unsigned int) * CHAR_BIT;
-	field->event_field.type.u.integer.alignment = lttng_alignof(unsigned int) * CHAR_BIT;
-	field->event_field.type.u.integer.signedness = lttng_is_signed_type(unsigned int);
-	field->event_field.type.u.integer.reverse_byte_order = 0;
-	field->event_field.type.u.integer.base = 10;
-	field->event_field.type.u.integer.encoding = lttng_encode_none;
-	field->get_size = uts_ns_get_size;
-	field->record = uts_ns_record;
-	field->get_value = uts_ns_get_value;
-	lttng_context_update(*ctx);
-	wrapper_vmalloc_sync_mappings();
-	return 0;
-}
-EXPORT_SYMBOL_GPL(lttng_add_uts_ns_to_ctx);
-
-#endif