From: Joerg Roedel <joerg.roedel@amd.com>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
tony.luck@intel.com, linux-ia64@vger.kernel.org,
iommu@lists.linux-foundation.org
Subject: Re: [PATCH 5/5] swiotlb: remove GFP_DMA hack in swiotlb_alloc_coherent
Date: Mon, 08 Sep 2008 12:02:18 +0000 [thread overview]
Message-ID: <20080908120218.GM3189@amd.com> (raw)
In-Reply-To: <1220865014-1169-6-git-send-email-fujita.tomonori@lab.ntt.co.jp>
On Mon, Sep 08, 2008 at 06:10:14PM +0900, FUJITA Tomonori wrote:
> The callers are supposed to set up the gfp flags appropriately.
>
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
> ---
> lib/swiotlb.c | 7 -------
> 1 files changed, 0 insertions(+), 7 deletions(-)
>
> diff --git a/lib/swiotlb.c b/lib/swiotlb.c
> index 977edbd..3066ffe 100644
> --- a/lib/swiotlb.c
> +++ b/lib/swiotlb.c
> @@ -467,13 +467,6 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
> void *ret;
> int order = get_order(size);
>
> - /*
> - * XXX fix me: the DMA API should pass us an explicit DMA mask
> - * instead, or use ZONE_DMA32 (ia64 overloads ZONE_DMA to be a ~32
> - * bit range instead of a 16MB one).
> - */
> - flags |= GFP_DMA;
> -
> ret = (void *)__get_free_pages(flags, order);
> if (ret && address_needs_mapping(hwdev, virt_to_bus(ret))) {
> /*
> --
> 1.5.5.GIT
>
>
--
| AMD Saxony Limited Liability Company & Co. KG
Operating | Wilschdorfer Landstr. 101, 01109 Dresden, Germany
System | Register Court Dresden: HRA 4896
Research | General Partner authorized to represent:
Center | AMD Saxony LLC (Wilmington, Delaware, US)
| General Manager of AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy
WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joerg.roedel@amd.com>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
tony.luck@intel.com, linux-ia64@vger.kernel.org,
iommu@lists.linux-foundation.org
Subject: Re: [PATCH 5/5] swiotlb: remove GFP_DMA hack in swiotlb_alloc_coherent
Date: Mon, 8 Sep 2008 14:02:18 +0200 [thread overview]
Message-ID: <20080908120218.GM3189@amd.com> (raw)
In-Reply-To: <1220865014-1169-6-git-send-email-fujita.tomonori@lab.ntt.co.jp>
On Mon, Sep 08, 2008 at 06:10:14PM +0900, FUJITA Tomonori wrote:
> The callers are supposed to set up the gfp flags appropriately.
>
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
> ---
> lib/swiotlb.c | 7 -------
> 1 files changed, 0 insertions(+), 7 deletions(-)
>
> diff --git a/lib/swiotlb.c b/lib/swiotlb.c
> index 977edbd..3066ffe 100644
> --- a/lib/swiotlb.c
> +++ b/lib/swiotlb.c
> @@ -467,13 +467,6 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
> void *ret;
> int order = get_order(size);
>
> - /*
> - * XXX fix me: the DMA API should pass us an explicit DMA mask
> - * instead, or use ZONE_DMA32 (ia64 overloads ZONE_DMA to be a ~32
> - * bit range instead of a 16MB one).
> - */
> - flags |= GFP_DMA;
> -
> ret = (void *)__get_free_pages(flags, order);
> if (ret && address_needs_mapping(hwdev, virt_to_bus(ret))) {
> /*
> --
> 1.5.5.GIT
>
>
--
| AMD Saxony Limited Liability Company & Co. KG
Operating | Wilschdorfer Landstr. 101, 01109 Dresden, Germany
System | Register Court Dresden: HRA 4896
Research | General Partner authorized to represent:
Center | AMD Saxony LLC (Wilmington, Delaware, US)
| General Manager of AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy
next prev parent reply other threads:[~2008-09-08 12:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-08 9:10 [PATCH 0/5] fix exhaustion of ZONE_DMA with swiotlb (in x86 tree) FUJITA Tomonori
2008-09-08 9:10 ` FUJITA Tomonori
2008-09-08 9:10 ` [PATCH 1/5] ia64: dma_alloc_coherent always use GFP_DMA FUJITA Tomonori
2008-09-08 9:10 ` FUJITA Tomonori
2008-09-08 9:10 ` [PATCH 2/5] x86: move pci-nommu's dma_mask check to common code FUJITA Tomonori
2008-09-08 9:10 ` FUJITA Tomonori
2008-09-08 9:10 ` [PATCH 3/5] x86: fix nommu_alloc_coherent allocation with NULL device argument FUJITA Tomonori
2008-09-08 9:10 ` FUJITA Tomonori
2008-09-08 9:10 ` [PATCH 4/5] x86: dma_alloc_coherent sets gfp flags properly FUJITA Tomonori
2008-09-08 9:10 ` FUJITA Tomonori
2008-09-08 9:10 ` [PATCH 5/5] swiotlb: remove GFP_DMA hack in swiotlb_alloc_coherent FUJITA Tomonori
2008-09-08 9:10 ` FUJITA Tomonori
2008-09-08 12:02 ` Joerg Roedel [this message]
2008-09-08 12:02 ` Joerg Roedel
2008-09-08 12:01 ` [PATCH 4/5] x86: dma_alloc_coherent sets gfp flags properly Joerg Roedel
2008-09-08 12:01 ` Joerg Roedel
2008-09-08 12:01 ` [PATCH 3/5] x86: fix nommu_alloc_coherent allocation with NULL device argument Joerg Roedel
2008-09-08 12:01 ` Joerg Roedel
2008-09-08 12:01 ` [PATCH 2/5] x86: move pci-nommu's dma_mask check to common code Joerg Roedel
2008-09-08 12:01 ` Joerg Roedel
2008-09-08 12:00 ` [PATCH 0/5] fix exhaustion of ZONE_DMA with swiotlb (in x86 tree) Joerg Roedel
2008-09-08 12:00 ` Joerg Roedel
2008-09-08 13:52 ` [PATCH 0/5] fix exhaustion of ZONE_DMA with swiotlb (in x86 Ingo Molnar
2008-09-08 13:52 ` [PATCH 0/5] fix exhaustion of ZONE_DMA with swiotlb (in x86 tree) Ingo Molnar
2008-09-09 10:41 ` [PATCH 0/5] fix exhaustion of ZONE_DMA with swiotlb (in x86 KAMEZAWA Hiroyuki
2008-09-09 10:41 ` [PATCH 0/5] fix exhaustion of ZONE_DMA with swiotlb (in x86 tree) KAMEZAWA Hiroyuki
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