On 06/07/2019 05:33 PM, Stephen Rothwell wrote:
Hi Anshuman,
On Fri, 7 Jun 2019 16:04:15 +0530 Anshuman Khandual [off-list ref] wrote:
quoted
+static nokprobe_inline bool kprobe_page_fault(struct pt_regs *regs,
+ unsigned int trap)
+{
+ int ret = 0;
+
+ /*
+ * To be potentially processing a kprobe fault and to be allowed
+ * to call kprobe_running(), we have to be non-preemptible.
+ */
+ if (kprobes_built_in() && !preemptible() && !user_mode(regs)) {
+ if (kprobe_running() && kprobe_fault_handler(regs, trap))
+ ret = 1;
+ }
+ return ret;
+}
Since this is now declared as "bool" (thanks for that), you should make
"ret" be bool and use true and false;
Sure, done.