x86/ftrace: Disable lockdep check when execute ftrace_int3_handler()

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/IAA3U5


CVE: NA

---------------------------

After commit 5e66a5bd ("ftrace: Fix rcu warn in ftrace_location()"),
lockdep still complain that:

  include/linux/rcupdate.h:646 rcu_read_lock() used illegally while idle!

As Xu suggested, lockdep check can be disabled when exectue
ftrace_int3_handler(), refer to mainline commit ba1f2b2e
("x86/entry: Fix NMI vs IRQ state tracking").

Fixes: 5e66a5bd ("ftrace: Fix rcu warn in ftrace_location()")
Suggested-by: Xu Kuohai <xukuohai@huawei.com>
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>