Re: lots of calls to __write/read_lock_failed

[Martin J. Bligh]

>> On Wed, Jan 15, 2003 at 08:18:13PM -0800, Dave Hansen wrote:
>> > time:_raw_write_lock() 1350000
>> > Call Trace:
>> >  [<c010f321>] timer_interrupt+0x99/0x9c
>> >  [<c010b150>] handle_IRQ_event+0x38/0x5c
>> 
>> read_lock_irqsave(&xtime_lock, flags)
>> or
>> write_lock_irq(&xtime_lock);
> 
> ISTR a patch from Stephen Hemminger at OSDL that used Andrea's
> sequence number trick based rwlock (frlock) to implement do_gettimeofday.
> It might be relevant here.

I thought that was Andi. If it's the patch I'm thinking of, it's sitting
in the -mm tree.

M.