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Date:   Mon, 6 Jul 2020 10:11:46 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Dave Jiang <dave.jiang@...el.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: manual merge of the dmaengine tree with the
 dmaengine-fixes tree

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

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