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Fix: interruptible context: reversed logic
[lttng-modules.git]
/
probes
/
lttng-kprobes.c
diff --git
a/probes/lttng-kprobes.c
b/probes/lttng-kprobes.c
index fbd24e136acfb6c07ad048e21e5953619e5f40fd..c2547f0a48c0fb5288ef95d1cae9d47071873520 100644
(file)
--- a/
probes/lttng-kprobes.c
+++ b/
probes/lttng-kprobes.c
@@
-26,6
+26,7
@@
#include "../lttng-events.h"
#include "../wrapper/ringbuffer/frontend_types.h"
#include "../wrapper/vmalloc.h"
#include "../lttng-events.h"
#include "../wrapper/ringbuffer/frontend_types.h"
#include "../wrapper/vmalloc.h"
+#include "../wrapper/irqflags.h"
#include "../lttng-tracer.h"
static
#include "../lttng-tracer.h"
static
@@
-33,6
+34,10
@@
int lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
struct lttng_event *event =
container_of(p, struct lttng_event, u.kprobe.kp);
{
struct lttng_event *event =
container_of(p, struct lttng_event, u.kprobe.kp);
+ struct lttng_probe_ctx lttng_probe_ctx = {
+ .event = event,
+ .interruptible = !lttng_regs_irqs_disabled(regs),
+ };
struct lttng_channel *chan = event->chan;
struct lib_ring_buffer_ctx ctx;
int ret;
struct lttng_channel *chan = event->chan;
struct lib_ring_buffer_ctx ctx;
int ret;
@@
-45,7
+50,7
@@
int lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs)
if (unlikely(!ACCESS_ONCE(event->enabled)))
return 0;
if (unlikely(!ACCESS_ONCE(event->enabled)))
return 0;
- lib_ring_buffer_ctx_init(&ctx, chan->chan,
event
, sizeof(data),
+ lib_ring_buffer_ctx_init(&ctx, chan->chan,
<tng_probe_ctx
, sizeof(data),
lttng_alignof(data), -1);
ret = chan->ops->event_reserve(&ctx, event->id);
if (ret < 0)
lttng_alignof(data), -1);
ret = chan->ops->event_reserve(&ctx, event->id);
if (ret < 0)
@@
-175,3
+180,7
@@
EXPORT_SYMBOL_GPL(lttng_kprobes_destroy_private);
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
MODULE_DESCRIPTION("Linux Trace Toolkit Kprobes Support");
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
MODULE_DESCRIPTION("Linux Trace Toolkit Kprobes Support");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+ __stringify(LTTNG_MODULES_MINOR_VERSION) "."
+ __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+ LTTNG_MODULES_EXTRAVERSION);
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