A soft lockup was observed when loading amdgpu module,
this is the same issue that was fixed in
commit d0b24b4e91fc ("ftrace: Prevent RCU stall on PREEMPT_VOLUNTARY
kernels") and commit 42ea22e754ba ("ftrace: Add cond_resched() to
ftrace_graph_set_hash()").Fix it the same way by adding cond_resched() in ftrace_module_enable. Signed-off-by: Vladimir Riabchun <[email protected]> --- kernel/trace/ftrace.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index a69067367c29..23c4d37c7bcd 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -7526,6 +7526,9 @@ void ftrace_module_enable(struct module *mod) do_for_each_ftrace_rec(pg, rec) { int cnt; + + cond_resched(); + /* * do_for_each_ftrace_rec() is a double loop. * module text shares the pg. If a record is -- 2.43.0
