From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Christoph Hellwig <hch@lst.de>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org,
Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH 3/4] dma-mapping: add a dma_ops_bypass flag to struct device
Date: Tue, 14 Apr 2020 14:47:12 +0200 [thread overview]
Message-ID: <20200414124712.GA720223@kroah.com> (raw)
In-Reply-To: <20200414122506.438134-4-hch@lst.de>
On Tue, Apr 14, 2020 at 02:25:05PM +0200, Christoph Hellwig wrote:
> Several IOMMU drivers have a bypass mode where they can use a direct
> mapping if the devices DMA mask is large enough. Add generic support
> to the core dma-mapping code to do that to switch those drivers to
> a common solution.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> include/linux/device.h | 6 ++++
> kernel/dma/mapping.c | 70 +++++++++++++++++++++++++++++-------------
> 2 files changed, 55 insertions(+), 21 deletions(-)
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-04-14 12:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-14 12:25 generic DMA bypass flag v3 Christoph Hellwig
2020-04-14 12:25 ` [PATCH 1/4] dma-mapping: move the remaining DMA API calls out of line Christoph Hellwig
2020-04-15 2:26 ` Alexey Kardashevskiy
2020-04-15 6:18 ` Christoph Hellwig
2020-04-15 11:21 ` Alexey Kardashevskiy
2020-04-17 7:58 ` Christoph Hellwig
2020-05-05 4:18 ` Alexey Kardashevskiy
2020-05-09 8:19 ` Christoph Hellwig
2020-05-09 14:07 ` Alexey Kardashevskiy
2020-06-03 4:13 ` Alexey Kardashevskiy
2020-07-07 0:43 ` Alexey Kardashevskiy
2020-07-07 14:51 ` Christoph Hellwig
2020-04-14 12:25 ` [PATCH 2/4] dma-mapping: inline the fast path dma-direct calls Christoph Hellwig
2020-04-14 12:25 ` [PATCH 3/4] dma-mapping: add a dma_ops_bypass flag to struct device Christoph Hellwig
2020-04-14 12:47 ` Greg Kroah-Hartman [this message]
2020-04-18 12:42 ` Joerg Roedel
2020-04-19 8:00 ` Christoph Hellwig
2020-04-19 12:25 ` Joerg Roedel
2020-04-19 14:46 ` Alexey Kardashevskiy
2020-04-14 12:25 ` [PATCH 4/4] powerpc: use the generic dma_ops_bypass mode Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200414124712.GA720223@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=hch@lst.de \
--cc=iommu@lists.linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=robin.murphy@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).