On 05-07-20, 21:23, Dave Jiang wrote: > > > On 7/5/2020 8:56 PM, Stephen Rothwell wrote: > > Hi all, > > > > Today's linux-next merge of the dmaengine tree got a conflict in: > > > > drivers/dma/idxd/sysfs.c > > > > between commit: > > > > da32b28c95a7 ("dmaengine: idxd: cleanup workqueue config after disabling") > > > > from the dmaengine-fixes tree and commit: > > > > f50b150e315e ("dmaengine: idxd: add work queue drain support") > > > > from the dmaengine tree. > > > > I fixed it up (see below) and can carry the fix as necessary. This > > is now fixed as far as linux-next is concerned, but any non trivial > > conflicts should be mentioned to your upstream maintainer when your tree > > is submitted for merging. You may also want to consider cooperating > > with the maintainer of the conflicting tree to minimise any particularly > > complex conflicts. > > > > Hi Stephen. Thanks for the fixup. I think there are two more bits that are > needed from f50b150e315e if you don't mind adding: I will merge the fixes into next so it should be resolved for tomorrow, thanks > > diff --cc drivers/dma/idxd/sysfs.c > index 2e2c5082f322,6f0711a822a1..000000000000 > --- a/drivers/dma/idxd/sysfs.c > +++ b/drivers/dma/idxd/sysfs.c > @@@ -313,14 -303,7 +303,12 @@@ static int idxd_config_bus_remove(struc > } > > idxd_unregister_dma_device(idxd); > - spin_lock_irqsave(&idxd->dev_lock, flags); > rc = idxd_device_disable(idxd); > + for (i = 0; i < idxd->max_wqs; i++) { > + struct idxd_wq *wq = &idxd->wqs[i]; > + > > > mutex_lock(&wq->wq_lock); > > + idxd_wq_disable_cleanup(wq); > > > mutex_unlock(&wq->wq_lock); > > + } > - spin_unlock_irqrestore(&idxd->dev_lock, flags); > module_put(THIS_MODULE); > if (rc < 0) > dev_warn(dev, "Device disable failed\n"); -- ~Vinod