[v3, 01/70] IB/qib: Use cache inhibitted and guarded mapping on powerpc

Michael Ellerman mpe at ellerman.id.au
Sun May 1 23:02:25 AEST 2016

On Fri, 2016-29-04 at 13:25:24 UTC, Michael Ellerman wrote:
> From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>
> The driver was requesting for a writethrough mapping. But with those
> flags we will end up with an SAO mapping because we now have memory
> conherence always enabled. ie, the existing mapping will end up with a
> WIMG value 0b1110 which is Strong Access Order.
> Update this to use cache inhibitted guarded mapping.
> Cc: Doug Ledford <dledford at redhat.com>
> Cc: Sean Hefty <sean.hefty at intel.com>
> Cc: Hal Rosenstock <hal.rosenstock at gmail.com>
> Cc: linux-rdma at vger.kernel.org
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
> Acked-by: Mike Marciniszyn <mike.marciniszyn at intel.com>
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Applied to powerpc next.



More information about the Linuxppc-dev mailing list