Re: [PATCH] iommu/arm-smmu-v3: Fix big-endian CMD_SYNC writes

2018-10-17 Thread Robin Murphy
On 17/10/18 18:07, Will Deacon wrote: On Tue, Oct 16, 2018 at 12:31:07PM +0100, Robin Murphy wrote: When we insert the sync sequence number into the CMD_SYNC.MSIData field, we do so in CPU-native byte order, before writing out the whole command as explicitly little-endian dwords. Thus on

Re: [PATCH] iommu/arm-smmu-v3: Fix big-endian CMD_SYNC writes

2018-10-17 Thread Will Deacon
On Tue, Oct 16, 2018 at 12:31:07PM +0100, Robin Murphy wrote: > When we insert the sync sequence number into the CMD_SYNC.MSIData field, > we do so in CPU-native byte order, before writing out the whole command > as explicitly little-endian dwords. Thus on big-endian systems, the SMMU > will