On 12/23/21 at 10:01am, Christoph Hellwig wrote: > On Wed, Dec 22, 2021 at 06:40:46PM +0800, Baoquan He wrote: > > Any thought or plan for those callsites in other places? Possibly we can > > skip those s390 related drivers since s390 only has DMA zone, no DMA32, > > it should be OK. > > Yes, this needs a bit of an audit. A lot of them might be best handled > by the subsysem maintainers, e.g. for crypto media and sound. Yes, agree. I can send a mail to subsystem maintainers about this, ask them for help. > > > And could you please also add me to CC when send out these patches? We > > have this problem in our RHEL8 which is based on kernel4.18, if finally > > removing dma-kmalloc(), we need back port these driver fixes too. If > > not paying attention, these patches may scatter in different > > sub-components and unnoticable. > > I already sent them out yesterday. Just look for everything with > GFP_DMA in the subject line in the current scsi tree for 5.17. Got, thx.