On Sat, Oct 07, 2017 at 03:26:11AM +0100, Al Viro wrote:
> On Sat, Oct 07, 2017 at 09:59:41AM +0800, Jia-Ju Bai wrote:
> > According to fs/dlm/lock.c, the kernel may sleep under a spinlock,
> > and the function call path is:
> > dlm_master_lookup (acquire the spinlock)
> >
According to fs/dlm/lock.c, the kernel may sleep under a spinlock,
and the function call path is:
dlm_master_lookup (acquire the spinlock)
dlm_send_rcom_lookup_dump
create_rcom
dlm_lowcomms_get_buffer
nodeid2con
mutex_lock --> may sleep
This bug is found by my
On Sat, Oct 07, 2017 at 09:59:41AM +0800, Jia-Ju Bai wrote:
> According to fs/dlm/lock.c, the kernel may sleep under a spinlock,
> and the function call path is:
> dlm_master_lookup (acquire the spinlock)
> dlm_send_rcom_lookup_dump
> create_rcom
> dlm_lowcomms_get_buffer
>
