On Fri, Aug 09, 2019 at 06:07:42PM +0100, Robin Murphy wrote:
> Since we now use separate iommu_gather_ops for stage 1 and stage 2
> contexts, we may as well divide up the monolithic callback into its
> respective stage 1 and stage 2 parts.
>
> Signed-off-by: Robin Murphy <[email protected]>
> ---
> drivers/iommu/arm-smmu.c | 66 ++++++++++++++++++++++------------------
> 1 file changed, 37 insertions(+), 29 deletions(-)
This will conflict with my iommu API batching stuff, but I can sort that
out if/when it gets queued by Joerg.
> - if (cfg->fmt != ARM_SMMU_CTX_FMT_AARCH64) {
> - iova &= ~12UL;
> - iova |= cfg->asid;
> - do {
> - writel_relaxed(iova, reg);
> - iova += granule;
> - } while (size -= granule);
> - } else {
> - iova >>= 12;
> - iova |= (u64)cfg->asid << 48;
> - do {
> - writeq_relaxed(iova, reg);
> - iova += granule >> 12;
> - } while (size -= granule);
> - }
> - } else {
> - reg += leaf ? ARM_SMMU_CB_S2_TLBIIPAS2L :
> - ARM_SMMU_CB_S2_TLBIIPAS2;
> - iova >>= 12;
> + if (cfg->fmt != ARM_SMMU_CTX_FMT_AARCH64) {
> + iova &= ~12UL;
Oh baby. You should move code around more often, so I'm forced to take a
second look!
Can you cook a fix for this that we can route separately, please? I see
it also made its way into qcom_iommu.c...
Will
_______________________________________________
iommu mailing list
[email protected]
https://lists.linuxfoundation.org/mailman/listinfo/iommu
