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From: Christoph Hellwig <hch@lst.de>
To: Amit Pundir <amit.pundir@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Robin Murphy <robin.murphy@arm.com>,
	David Rientjes <rientjes@google.com>,
	linux-rpi-kernel@lists.infradead.org, jeremy.linton@arm.com,
	iommu@lists.linux-foundation.org,
	lkml <linux-kernel@vger.kernel.org>,
	John Stultz <john.stultz@linaro.org>,
	Sumit Semwal <sumit.semwal@linaro.org>
Subject: Re: [PATCH] dma-pool: Do not allocate pool memory from CMA
Date: Fri, 24 Jul 2020 18:27:09 +0200	[thread overview]
Message-ID: <20200724162709.GA15051@lst.de> (raw)
In-Reply-To: <CAMi1Hd2tmf0J78dXK_y_onJkPW=JSf6Ki5P+j1iYfwu3wb0V4w@mail.gmail.com>

On Fri, Jul 24, 2020 at 09:49:17PM +0530, Amit Pundir wrote:
> On Fri, 24 Jul 2020 at 19:11, Christoph Hellwig <hch@lst.de> wrote:
> >
> > Yes, the iommu is an interesting case, and the current code is
> > wrong for that.  Can you try the patch below?  It contains a modified
> > version of Nicolas' patch to try CMA again for the expansion and a new
> > (for now hackish) way to not apply the addressability check for dma-iommu
> > allocations.
> 
> Thank you. The below patch worked on today's linux/master (f37e99aca03f).

Ok, I'll try to massage it into a few cleaner patches over the weekend
and will send them to you again for retesting.

Thanks a lot for your patience!

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Amit Pundir <amit.pundir@linaro.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	jeremy.linton@arm.com, Sumit Semwal <sumit.semwal@linaro.org>,
	iommu@lists.linux-foundation.org,
	John Stultz <john.stultz@linaro.org>,
	linux-rpi-kernel@lists.infradead.org,
	David Rientjes <rientjes@google.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH] dma-pool: Do not allocate pool memory from CMA
Date: Fri, 24 Jul 2020 18:27:09 +0200	[thread overview]
Message-ID: <20200724162709.GA15051@lst.de> (raw)
In-Reply-To: <CAMi1Hd2tmf0J78dXK_y_onJkPW=JSf6Ki5P+j1iYfwu3wb0V4w@mail.gmail.com>

On Fri, Jul 24, 2020 at 09:49:17PM +0530, Amit Pundir wrote:
> On Fri, 24 Jul 2020 at 19:11, Christoph Hellwig <hch@lst.de> wrote:
> >
> > Yes, the iommu is an interesting case, and the current code is
> > wrong for that.  Can you try the patch below?  It contains a modified
> > version of Nicolas' patch to try CMA again for the expansion and a new
> > (for now hackish) way to not apply the addressability check for dma-iommu
> > allocations.
> 
> Thank you. The below patch worked on today's linux/master (f37e99aca03f).

Ok, I'll try to massage it into a few cleaner patches over the weekend
and will send them to you again for retesting.

Thanks a lot for your patience!
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

  reply	other threads:[~2020-07-24 16:27 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-08 16:49 [PATCH] dma-pool: Do not allocate pool memory from CMA Nicolas Saenz Julienne
2020-07-08 16:49 ` Nicolas Saenz Julienne
2020-07-08 16:58 ` Christoph Hellwig
2020-07-08 16:58   ` Christoph Hellwig
2020-07-08 23:14 ` Jeremy Linton
2020-07-08 23:14   ` Jeremy Linton
2020-07-09 21:47 ` David Rientjes
2020-07-09 21:47   ` David Rientjes via iommu
2020-07-21  7:21 ` Amit Pundir
2020-07-21  7:21   ` Amit Pundir
2020-07-21  8:39   ` Nicolas Saenz Julienne
2020-07-21  8:39     ` Nicolas Saenz Julienne
2020-07-21  8:54     ` Amit Pundir
2020-07-21  8:54       ` Amit Pundir
2020-07-21 11:15       ` Nicolas Saenz Julienne
2020-07-21 11:15         ` Nicolas Saenz Julienne
2020-07-21 11:28         ` Christoph Hellwig
2020-07-21 11:28           ` Christoph Hellwig
2020-07-21 11:37           ` Nicolas Saenz Julienne
2020-07-21 11:37             ` Nicolas Saenz Julienne
2020-07-21 12:16             ` Amit Pundir
2020-07-21 12:16               ` Amit Pundir
2020-07-21 12:15         ` Amit Pundir
2020-07-21 12:15           ` Amit Pundir
2020-07-21 12:45           ` Nicolas Saenz Julienne
2020-07-21 12:45             ` Nicolas Saenz Julienne
2020-07-21 15:22             ` Amit Pundir
2020-07-21 15:22               ` Amit Pundir
2020-07-21 16:27               ` Nicolas Saenz Julienne
2020-07-21 16:27                 ` Nicolas Saenz Julienne
2020-07-23  5:14                 ` Amit Pundir
2020-07-23  5:14                   ` Amit Pundir
2020-07-24  9:36                   ` Nicolas Saenz Julienne
2020-07-24  9:36                     ` Nicolas Saenz Julienne
2020-07-24 11:06                     ` Amit Pundir
2020-07-24 11:06                       ` Amit Pundir
2020-07-24 13:41                       ` Christoph Hellwig
2020-07-24 13:41                         ` Christoph Hellwig
2020-07-24 16:19                         ` Amit Pundir
2020-07-24 16:19                           ` Amit Pundir
2020-07-24 16:27                           ` Christoph Hellwig [this message]
2020-07-24 16:27                             ` Christoph Hellwig
2020-07-27 17:56                         ` Nicolas Saenz Julienne
2020-07-27 17:56                           ` Nicolas Saenz Julienne
2020-07-28  9:13                           ` Christoph Hellwig
2020-07-28  9:13                             ` Christoph Hellwig
2020-07-28  9:30                             ` Nicolas Saenz Julienne
2020-07-28  9:30                               ` Nicolas Saenz Julienne
2020-07-28 10:09                               ` Christoph Hellwig
2020-07-28 10:09                                 ` Christoph Hellwig
2020-07-31  1:10                                 ` Nathan Chancellor
2020-07-31  1:10                                   ` Nathan Chancellor
2020-07-31  7:19                                   ` Amit Pundir
2020-07-31  7:19                                     ` Amit Pundir
2020-07-31 10:09                                   ` Nicolas Saenz Julienne
2020-07-31 10:09                                     ` Nicolas Saenz Julienne

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