[Skiboot] [PATCH 04/13] Don't run pollers in time_wait() when a lock is held

Stewart Smith stewart at linux.vnet.ibm.com
Thu Feb 19 17:09:38 AEDT 2015

Cedric Le Goater <clg at fr.ibm.com> writes:
> On 02/18/2015 09:58 PM, Benjamin Herrenschmidt wrote:
>> On Wed, 2015-02-18 at 16:12 +0100, Cedric Le Goater wrote:
>>> openpower systems call ipmi_wdt_init() which calls
>>> ipmi_queue_msg_sync().
>>> and then, they just loop endlessly in time_wait_ms(100) :/
>> Yes, it's a design bug in the ipmi code I just noticed. It shouldn't
>> spin with a lock held. I'll try to fix that with Alistair today.
> Thanks. I did not know how to handle it so I just reverted your patch 
> for the moment.

Should be fixed in master now.

More information about the Skiboot mailing list