On Wed, May 24, 2017 at 10:15:39AM +0200, Thomas Gleixner wrote: > The text patching functions which are invoked from jump_label and kprobes > code are protected against cpu hotplug at the call sites. > > Use stop_machine_cpuslocked() to avoid recursion on the cpu hotplug > rwsem. stop_machine_cpuslocked() contains a lockdep assertion to catch any > unprotected callers. > > Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> > Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx> > Cc: linux-s390@xxxxxxxxxxxxxxx > --- > arch/s390/kernel/jump_label.c | 2 +- > arch/s390/kernel/kprobes.c | 4 ++-- > 2 files changed, 3 insertions(+), 3 deletions(-) Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
