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 1/2] dma-mapping: add a dma_ops_bypass flag to struct device
Date: Fri, 20 Mar 2020 16:02:08 +0100 [thread overview]
Message-ID: <20200320150208.GA761915@kroah.com> (raw)
In-Reply-To: <20200320141640.366360-2-hch@lst.de>
On Fri, Mar 20, 2020 at 03:16:39PM +0100, 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 ++++++
> include/linux/dma-mapping.h | 30 ++++++++++++++++++------------
> kernel/dma/mapping.c | 36 +++++++++++++++++++++++++++---------
> 3 files changed, 51 insertions(+), 21 deletions(-)
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
linuxppc-dev@lists.ozlabs.org, Joerg Roedel <joro@8bytes.org>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Robin Murphy <robin.murphy@arm.com>,
Lu Baolu <baolu.lu@linux.intel.com>
Subject: Re: [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to struct device
Date: Fri, 20 Mar 2020 16:02:08 +0100 [thread overview]
Message-ID: <20200320150208.GA761915@kroah.com> (raw)
In-Reply-To: <20200320141640.366360-2-hch@lst.de>
On Fri, Mar 20, 2020 at 03:16:39PM +0100, 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 ++++++
> include/linux/dma-mapping.h | 30 ++++++++++++++++++------------
> kernel/dma/mapping.c | 36 +++++++++++++++++++++++++++---------
> 3 files changed, 51 insertions(+), 21 deletions(-)
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Christoph Hellwig <hch@lst.de>
Cc: iommu@lists.linux-foundation.org,
Alexey Kardashevskiy <aik@ozlabs.ru>,
linuxppc-dev@lists.ozlabs.org,
Lu Baolu <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
Robin Murphy <robin.murphy@arm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to struct device
Date: Fri, 20 Mar 2020 16:02:08 +0100 [thread overview]
Message-ID: <20200320150208.GA761915@kroah.com> (raw)
In-Reply-To: <20200320141640.366360-2-hch@lst.de>
On Fri, Mar 20, 2020 at 03:16:39PM +0100, 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 ++++++
> include/linux/dma-mapping.h | 30 ++++++++++++++++++------------
> kernel/dma/mapping.c | 36 +++++++++++++++++++++++++++---------
> 3 files changed, 51 insertions(+), 21 deletions(-)
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2020-03-20 15:02 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-20 14:16 generic DMA bypass flag v2 Christoph Hellwig
2020-03-20 14:16 ` Christoph Hellwig
2020-03-20 14:16 ` Christoph Hellwig
2020-03-20 14:16 ` [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to struct device Christoph Hellwig
2020-03-20 14:16 ` Christoph Hellwig
2020-03-20 14:16 ` Christoph Hellwig
2020-03-20 15:02 ` Greg Kroah-Hartman [this message]
2020-03-20 15:02 ` Greg Kroah-Hartman
2020-03-20 15:02 ` Greg Kroah-Hartman
2020-03-23 1:28 ` Alexey Kardashevskiy
2020-03-23 1:28 ` Alexey Kardashevskiy
2020-03-23 1:28 ` Alexey Kardashevskiy
2020-03-23 8:37 ` Christoph Hellwig
2020-03-23 8:37 ` Christoph Hellwig
2020-03-23 8:37 ` Christoph Hellwig
2020-03-23 8:50 ` Christoph Hellwig
2020-03-23 8:50 ` Christoph Hellwig
2020-03-23 8:50 ` Christoph Hellwig
2020-03-23 15:37 ` Aneesh Kumar K.V
2020-03-23 15:37 ` Aneesh Kumar K.V
2020-03-23 15:37 ` Aneesh Kumar K.V
2020-03-23 17:22 ` Christoph Hellwig
2020-03-23 17:22 ` Christoph Hellwig
2020-03-23 17:22 ` Christoph Hellwig
2020-03-24 3:05 ` Alexey Kardashevskiy
2020-03-24 3:05 ` Alexey Kardashevskiy
2020-03-24 3:05 ` Alexey Kardashevskiy
2020-03-24 6:30 ` Aneesh Kumar K.V
2020-03-24 6:30 ` Aneesh Kumar K.V
2020-03-24 6:30 ` Aneesh Kumar K.V
2020-03-24 7:55 ` Christoph Hellwig
2020-03-24 7:55 ` Christoph Hellwig
2020-03-24 7:55 ` Christoph Hellwig
2020-03-24 7:54 ` Christoph Hellwig
2020-03-24 7:54 ` Christoph Hellwig
2020-03-24 7:54 ` Christoph Hellwig
2020-03-25 4:51 ` Alexey Kardashevskiy
2020-03-25 4:51 ` Alexey Kardashevskiy
2020-03-25 4:51 ` Alexey Kardashevskiy
2020-03-25 8:37 ` Christoph Hellwig
2020-03-25 8:37 ` Christoph Hellwig
2020-03-25 8:37 ` Christoph Hellwig
2020-03-26 1:26 ` Alexey Kardashevskiy
2020-03-26 1:26 ` Alexey Kardashevskiy
2020-03-26 1:26 ` Alexey Kardashevskiy
2020-04-03 8:38 ` Alexey Kardashevskiy
2020-04-03 8:38 ` Alexey Kardashevskiy
2020-04-03 8:38 ` Alexey Kardashevskiy
2020-04-06 11:50 ` Christoph Hellwig
2020-04-06 11:50 ` Christoph Hellwig
2020-04-06 11:50 ` Christoph Hellwig
2020-04-06 13:25 ` Alexey Kardashevskiy
2020-04-06 13:25 ` Alexey Kardashevskiy
2020-04-06 13:25 ` Alexey Kardashevskiy
2020-04-06 17:17 ` Christoph Hellwig
2020-04-06 17:17 ` Christoph Hellwig
2020-04-06 17:17 ` Christoph Hellwig
2020-04-07 10:12 ` Alexey Kardashevskiy
2020-04-07 10:12 ` Alexey Kardashevskiy
2020-04-07 10:12 ` Alexey Kardashevskiy
2020-04-14 6:21 ` Alexey Kardashevskiy
2020-04-14 6:21 ` Alexey Kardashevskiy
2020-04-14 6:21 ` Alexey Kardashevskiy
2020-04-14 6:30 ` Christoph Hellwig
2020-04-14 6:30 ` Christoph Hellwig
2020-04-14 6:30 ` Christoph Hellwig
2020-03-23 8:58 ` Alexey Kardashevskiy
2020-03-23 8:58 ` Alexey Kardashevskiy
2020-03-23 8:58 ` Alexey Kardashevskiy
2020-03-23 17:20 ` Christoph Hellwig
2020-03-23 17:20 ` Christoph Hellwig
2020-03-23 17:20 ` Christoph Hellwig
2020-03-24 3:37 ` Alexey Kardashevskiy
2020-03-24 3:37 ` Alexey Kardashevskiy
2020-03-24 3:37 ` Alexey Kardashevskiy
2020-03-24 4:55 ` Alexey Kardashevskiy
2020-03-24 4:55 ` Alexey Kardashevskiy
2020-03-24 4:55 ` Alexey Kardashevskiy
2020-03-24 7:52 ` Christoph Hellwig
2020-03-24 7:52 ` Christoph Hellwig
2020-03-24 7:52 ` Christoph Hellwig
2020-03-23 12:14 ` Robin Murphy
2020-03-23 12:14 ` Robin Murphy
2020-03-23 12:14 ` Robin Murphy
2020-03-23 12:55 ` Christoph Hellwig
2020-03-23 12:55 ` Christoph Hellwig
2020-03-23 12:55 ` Christoph Hellwig
2020-03-20 14:16 ` [PATCH 2/2] powerpc: use the generic dma_ops_bypass mode Christoph Hellwig
2020-03-20 14:16 ` Christoph Hellwig
2020-03-20 14:16 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2020-03-24 9:39 [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to, struct device Christian Zigotzky
2019-11-13 13:37 generic DMA bypass flag Christoph Hellwig
2019-11-13 13:37 ` [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to struct device Christoph Hellwig
2019-11-13 13:37 ` Christoph Hellwig
2019-11-13 13:37 ` Christoph Hellwig
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