summaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'kernel')
-rw-r--r--kernel/events/uprobes.c9
-rw-r--r--kernel/trace/Kconfig1
2 files changed, 10 insertions, 0 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 307d87c..04709b6 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1804,6 +1804,11 @@ static bool handle_trampoline(struct pt_regs *regs)
return true;
}
+bool __weak arch_uprobe_ignore(struct arch_uprobe *aup, struct pt_regs *regs)
+{
+ return false;
+}
+
/*
* Run handler and ask thread to singlestep.
* Ensure all non-fatal signals cannot interrupt thread while it singlesteps.
@@ -1858,7 +1863,11 @@ static void handle_swbp(struct pt_regs *regs)
if (!get_utask())
goto out;
+ if (arch_uprobe_ignore(&uprobe->arch, regs))
+ goto out;
+
handler_chain(uprobe, regs);
+
if (can_skip_sstep(uprobe, regs))
goto out;
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 015f85a..8639819 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -424,6 +424,7 @@ config UPROBE_EVENT
bool "Enable uprobes-based dynamic events"
depends on ARCH_SUPPORTS_UPROBES
depends on MMU
+ depends on PERF_EVENTS
select UPROBES
select PROBE_EVENTS
select TRACING
OpenPOWER on IntegriCloud