fix: removal of [smp_]read_barrier_depends (v5.9)

[lttng-modules.git] / probes / lttng-kprobes.c

diff --git a/probes/lttng-kprobes.c b/probes/lttng-kprobes.c
index 131333b03698941bb7f156e7294c1aa16e28d1de..38fb72e89133fa7a4e573736b1a61de126288de8 100644 (file)
--- a/probes/lttng-kprobes.c
+++ b/probes/lttng-kprobes.c
@@ -15,6 +15,7 @@
 #include <wrapper/vmalloc.h>
 #include <wrapper/irqflags.h>
 #include <lttng-tracer.h>
+#include <blacklist/kprobes.h>
 
 static
 int lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs)
@@ -30,11 +31,11 @@ int lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs)
        int ret;
        unsigned long data = (unsigned long) p->addr;
 
-       if (unlikely(!READ_ONCE(chan->session->active)))
+       if (unlikely(!LTTNG_READ_ONCE(chan->session->active)))
                return 0;
-       if (unlikely(!READ_ONCE(chan->enabled)))
+       if (unlikely(!LTTNG_READ_ONCE(chan->enabled)))
                return 0;
-       if (unlikely(!READ_ONCE(event->enabled)))
+       if (unlikely(!LTTNG_READ_ONCE(event->enabled)))
                return 0;
 
        lib_ring_buffer_ctx_init(&ctx, chan->chan, &lttng_probe_ctx, sizeof(data),
@@ -131,7 +132,7 @@ int lttng_kprobes_register(const char *name,
         * Well.. kprobes itself puts the page fault handler on the blacklist,
         * but we can never be too careful.
         */
-       wrapper_vmalloc_sync_all();
+       wrapper_vmalloc_sync_mappings();
 
        ret = register_kprobe(&event->u.kprobe.kp);
        if (ret)