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ibmvscsi: Add memory barriers for send / receive
authorBrian King <brking@linux.vnet.ibm.com>
Fri, 23 May 2014 15:52:11 +0000 (10:52 -0500)
committerChristoph Hellwig <hch@lst.de>
Wed, 25 Jun 2014 11:29:32 +0000 (13:29 +0200)
Add a memory barrier prior to sending a new command to the VIOS
to ensure the VIOS does not receive stale data in the command buffer.
Also add a memory barrier when processing the CRQ for completed commands.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
drivers/scsi/ibmvscsi/ibmvscsi.c patch | blob | history

diff --cc drivers/scsi/ibmvscsi/ibmvscsi.c
Simple merge
Pandora Kernel Repository