Re: [PATCH v2 2/3] iommu/ipmmu-vmsa: Increase maximum micro-TLBS to 48
From: Joerg Roedel
Date: Fri Jan 27 2017 - 06:48:05 EST
On Mon, Jan 23, 2017 at 08:40:29PM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
> Bump up the maximum numbers of micro-TLBS to 48.
> Each IPMMU device instance get micro-TLB assignment via
> the "iommus" property in DT. Older SoCs tend to use a
> maximum number of 32 micro-TLBs per IPMMU instance however
> newer SoCs such as r8a7796 make use of up to 48 micro-TLBs.
> At this point no SoC specific handling is done to validate
> the maximum number of micro-TLBs, and because of that the
> DT information is assumed to be within correct range for
> each particular SoC.
> If needed in the future SoC specific feature flags can be
> added to handle the maximum number of micro-TLBs without
> requiring DT changes, however at this point this does not
> seem necessary.
> Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
I get a conflict when applying this to v4.10-rc5. What is this based on,
any patches I missed?