Fix: timer_expire_entry changed in 4.19.312

[lttng-modules.git] / lttng-context-pid-ns.c

diff --git a/lttng-context-pid-ns.c b/lttng-context-pid-ns.c
deleted file mode 100644 (file)
index e0f5636..0000000
--- a/lttng-context-pid-ns.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
- *
- * lttng-context-pid-ns.c
- *
- * LTTng pid 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/pid_namespace.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_PID_NS) && \
-       (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
-
-static
-size_t pid_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 pid_ns_record(struct lttng_ctx_field *field,
-                struct lib_ring_buffer_ctx *ctx,
-                struct lttng_channel *chan)
-{
-       struct pid_namespace *ns;
-       unsigned int pid_ns_inum = 0;
-
-       /*
-        * The pid namespace is an exception -- it's accessed using
-        * task_active_pid_ns. The pid namespace in nsproxy is the
-        * namespace that children will use.
-        */
-       ns = task_active_pid_ns(current);
-
-       if (ns)
-               pid_ns_inum = ns->lttng_ns_inum;
-
-       lib_ring_buffer_align_ctx(ctx, lttng_alignof(pid_ns_inum));
-       chan->ops->event_write(ctx, &pid_ns_inum, sizeof(pid_ns_inum));
-}
-
-static
-void pid_ns_get_value(struct lttng_ctx_field *field,
-               struct lttng_probe_ctx *lttng_probe_ctx,
-               union lttng_ctx_value *value)
-{
-       struct pid_namespace *ns;
-       unsigned int pid_ns_inum = 0;
-
-       /*
-        * The pid namespace is an exception -- it's accessed using
-        * task_active_pid_ns. The pid namespace in nsproxy is the
-        * namespace that children will use.
-        */
-       ns = task_active_pid_ns(current);
-
-       if (ns)
-               pid_ns_inum = ns->lttng_ns_inum;
-
-       value->s64 = pid_ns_inum;
-}
-
-int lttng_add_pid_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, "pid_ns")) {
-               lttng_remove_context_field(ctx, field);
-               return -EEXIST;
-       }
-       field->event_field.name = "pid_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 = pid_ns_get_size;
-       field->record = pid_ns_record;
-       field->get_value = pid_ns_get_value;
-       lttng_context_update(*ctx);
-       wrapper_vmalloc_sync_mappings();
-       return 0;
-}
-EXPORT_SYMBOL_GPL(lttng_add_pid_ns_to_ctx);
-
-#endif