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From: Christoph Hellwig <hch@lst.de>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Robin Murphy <robin.murphy@arm.com>,
	linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	linuxppc-dev@lists.ozlabs.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to struct device
Date: Tue, 24 Mar 2020 08:52:25 +0100	[thread overview]
Message-ID: <20200324075225.GI23447@lst.de> (raw)
In-Reply-To: <d4bf6058-aa77-d0bc-8196-f4c27fb21b74@ozlabs.ru>

On Tue, Mar 24, 2020 at 02:37:59PM +1100, Alexey Kardashevskiy wrote:
> dma_alloc_direct() and dma_map_direct() do the same thing now which is
> good, did I miss anything else?

dma_alloc_direct looks at coherent_dma_mask, dma_map_direct looks
at dma_mask.
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Joerg Roedel <joro@8bytes.org>,
	Robin Murphy <robin.murphy@arm.com>,
	linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	linuxppc-dev@lists.ozlabs.org, Christoph Hellwig <hch@lst.de>,
	Lu Baolu <baolu.lu@linux.intel.com>
Subject: Re: [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to struct device
Date: Tue, 24 Mar 2020 08:52:25 +0100	[thread overview]
Message-ID: <20200324075225.GI23447@lst.de> (raw)
In-Reply-To: <d4bf6058-aa77-d0bc-8196-f4c27fb21b74@ozlabs.ru>

On Tue, Mar 24, 2020 at 02:37:59PM +1100, Alexey Kardashevskiy wrote:
> dma_alloc_direct() and dma_map_direct() do the same thing now which is
> good, did I miss anything else?

dma_alloc_direct looks at coherent_dma_mask, dma_map_direct looks
at dma_mask.

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Christoph Hellwig <hch@lst.de>,
	iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org,
	Lu Baolu <baolu.lu@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Joerg Roedel <joro@8bytes.org>,
	Robin Murphy <robin.murphy@arm.com>,
	linux-kernel@vger.kernel.org,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: Re: [PATCH 1/2] dma-mapping: add a dma_ops_bypass flag to struct device
Date: Tue, 24 Mar 2020 08:52:25 +0100	[thread overview]
Message-ID: <20200324075225.GI23447@lst.de> (raw)
In-Reply-To: <d4bf6058-aa77-d0bc-8196-f4c27fb21b74@ozlabs.ru>

On Tue, Mar 24, 2020 at 02:37:59PM +1100, Alexey Kardashevskiy wrote:
> dma_alloc_direct() and dma_map_direct() do the same thing now which is
> good, did I miss anything else?

dma_alloc_direct looks at coherent_dma_mask, dma_map_direct looks
at dma_mask.

  parent reply	other threads:[~2020-03-24  7:52 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
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 [this message]
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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