From: Alexander Gordeev <a.gordeev.box@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: devel@driverdev.osuosl.org, Michael Chen <micchen@altera.com>,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/2] dmaengine: avalon: Intel Avalon-MM DMA Interface for PCIe
Date: Tue, 15 Oct 2019 14:27:20 +0200 [thread overview]
Message-ID: <20191015122720.GA20768@AlexGordeev-DPT-VI0092> (raw)
In-Reply-To: <20191015114108.GF4774@kadam>
On Tue, Oct 15, 2019 at 02:41:08PM +0300, Dan Carpenter wrote:
> > > > > > > > + spin_lock(lock);
> >
> > [*]
>
> [ snip ]
>
> > I struggle to realize how the spinlock I use (see [*] above) does not
> > protect the reader.
>
> Argh.... I'm really sorry. I completely didn't see the spinlock. :P
Np ;) May be in the next version it will be more visible.
I done it the way you asked ( even though I do not like it :D ):
spin_lock(&chan->vchan.lock);
> I am embarrassed. Wow...
>
> regards,
> dan carpenter
>
next prev parent reply other threads:[~2019-10-15 12:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-09 10:12 [PATCH v2 0/2] dmaengine: avalon: Support Avalon-MM DMA Interface for PCIe Alexander Gordeev
2019-10-09 10:12 ` [PATCH v2 1/2] dmaengine: avalon: Intel " Alexander Gordeev
2019-10-09 12:14 ` Dan Carpenter
2019-10-09 14:58 ` Alexander Gordeev
2019-10-09 18:53 ` Dan Carpenter
2019-10-10 8:51 ` Alexander Gordeev
2019-10-10 11:30 ` Dan Carpenter
2019-10-15 11:24 ` Alexander Gordeev
2019-10-15 11:41 ` Dan Carpenter
2019-10-15 12:27 ` Alexander Gordeev [this message]
2019-10-15 13:19 ` Dan Carpenter
2019-10-15 14:31 ` Alexander Gordeev
2019-10-15 14:47 ` Dan Carpenter
2019-10-09 13:07 ` Greg KH
2019-10-15 10:33 ` Vinod Koul
2019-10-15 13:11 ` Alexander Gordeev
2019-10-09 10:12 ` [PATCH RFC v2 2/2] dmaengine: avalon: Intel Avalon-MM DMA Interface for PCIe test Alexander Gordeev
2019-10-09 13:08 ` Greg KH
2019-10-09 13:46 ` Dan Carpenter
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