[PATCH 2/2] ehea: Fix kernel deadlock in DLPAR-mem processing

David Miller davem at davemloft.net
Thu Jun 17 11:05:47 EST 2010


From: "Jan-Bernd Themann" <ossthema at de.ibm.com>
Date: Tue, 15 Jun 2010 17:35:42 +0200

> Port reset operations and memory add/remove operations need to 
> be serialized to avoid a kernel deadlock. The deadlock is caused
> by calling the napi_disable() function twice.
> Therefore we have to employ the dlpar_mem_lock in the ehea_reset_port
> function as well
> 
> 
> Signed-off-by: Jan-Bernd Themann <themann at de.ibm.com>

Applied.


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