1 files changed, 0 insertions, 79 deletions
diff --git a/drivers/staging/lttng/lttng-context-vppid.c b/drivers/staging/lttng/lttng-context-vppid.c
deleted file mode 100644
index f01b02068d67..000000000000
--- a/drivers/staging/lttng/lttng-context-vppid.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * (C) Copyright	2009-2011 -
- * 		Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * LTTng vPPID context.
- *
- * Dual LGPL v2.1/GPL v2 license.
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <linux/syscalls.h>
-#include "ltt-events.h"
-#include "wrapper/ringbuffer/frontend_types.h"
-#include "wrapper/vmalloc.h"
-#include "ltt-tracer.h"
-
-static
-size_t vppid_get_size(size_t offset)
-{
-	size_t size = 0;
-
-	size += lib_ring_buffer_align(offset, ltt_alignof(pid_t));
-	size += sizeof(pid_t);
-	return size;
-}
-
-static
-void vppid_record(struct lttng_ctx_field *field,
-		  struct lib_ring_buffer_ctx *ctx,
-		  struct ltt_channel *chan)
-{
-	struct task_struct *parent;
-	pid_t vppid;
-
-	/*
-	 * nsproxy can be NULL when scheduled out of exit.
-	 */
-	rcu_read_lock();
-	parent = rcu_dereference(current->real_parent);
-	if (!parent->nsproxy)
-		vppid = 0;
-	else
-		vppid = task_tgid_vnr(parent);
-	rcu_read_unlock();
-	lib_ring_buffer_align_ctx(ctx, ltt_alignof(vppid));
-	chan->ops->event_write(ctx, &vppid, sizeof(vppid));
-}
-
-int lttng_add_vppid_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, "vppid")) {
-		lttng_remove_context_field(ctx, field);
-		return -EEXIST;
-	}
-	field->event_field.name = "vppid";
-	field->event_field.type.atype = atype_integer;
-	field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT;
-	field->event_field.type.u.basic.integer.alignment = ltt_alignof(pid_t) * CHAR_BIT;
-	field->event_field.type.u.basic.integer.signedness = is_signed_type(pid_t);
-	field->event_field.type.u.basic.integer.reverse_byte_order = 0;
-	field->event_field.type.u.basic.integer.base = 10;
-	field->event_field.type.u.basic.integer.encoding = lttng_encode_none;
-	field->get_size = vppid_get_size;
-	field->record = vppid_record;
-	wrapper_vmalloc_sync_all();
-	return 0;
-}
-EXPORT_SYMBOL_GPL(lttng_add_vppid_to_ctx);
-
-MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Linux Trace Toolkit vPPID Context");