[coreboot-gerrit] Patch merged into coreboot/master: cpu/amd/microcode: Introduce CBFS access spinlock to avoid IOMMU failure

[gerrit at coreboot.org]

the following patch was just integrated into master:
commit c764c7488b2cb536bc4e09e6a8a639beeabfddeb
Author: Timothy Pearson <tpearson at raptorengineeringinc.com>
Date:   Fri Aug 28 20:48:17 2015 -0500

    cpu/amd/microcode: Introduce CBFS access spinlock to avoid IOMMU failure
    
    When microcode updates are enabled, this fixes an issue identical
    to that described in GIT hash 7b22d84d:
     * drivers/pc80: Add optional spinlock for nvram CBFS access
    
    Change-Id: Ib7e8cb171f44833167053ca98a85cca23021dfba
    Signed-off-by: Timothy Pearson <tpearson at raptorengineeringinc.com>
    Reviewed-on: https://review.coreboot.org/12063
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth <martinroth at google.com>


See https://review.coreboot.org/12063 for details.

-gerrit