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SubjectRe: [PATCH 4/4] arm64: gicv3: its: Increase FORCE_MAX_ZONEORDER for Cavium ThunderX
On Sun, May 03, 2015 at 09:49:32PM +0100, Robert Richter wrote:
> From: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
>
> In case of ARCH_THUNDER, there is a need to allocate the GICv3 ITS table
> which is bigger than the allowed max order. So we are forcing it only in
> case of 4KB page size.

Does this problem disappear if the ITS driver uses dma_alloc_coherent
instead? That would also allow us to remove the __flush_dcache_area abuse
from the driver.

Will


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