From: Joerg Roedel <joerg.roedel@amd.com>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org
Subject: Re: [PATCH] x86: gart alloc_coherent doesn't need to check NULL device argument
Date: Fri, 5 Sep 2008 12:41:29 +0200 [thread overview]
Message-ID: <20080905104129.GZ3189@amd.com> (raw)
In-Reply-To: <1220605129-18359-4-git-send-email-fujita.tomonori@lab.ntt.co.jp>
True, thanks.
On Fri, Sep 05, 2008 at 05:58:49PM +0900, FUJITA Tomonori wrote:
> asm/dma-mapping.h guarantees that gart alloc_coherent doesn't get NULL
> device argument.
>
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
> ---
> arch/x86/kernel/pci-gart_64.c | 3 ---
> 1 files changed, 0 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
> index 4d08649..0b99d4a 100644
> --- a/arch/x86/kernel/pci-gart_64.c
> +++ b/arch/x86/kernel/pci-gart_64.c
> @@ -506,9 +506,6 @@ gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr,
>
> align_mask = (1UL << get_order(size)) - 1;
>
> - if (!dev)
> - dev = &x86_dma_fallback_dev;
> -
> *dma_addr = dma_map_area(dev, __pa(vaddr), size, DMA_BIDIRECTIONAL,
> align_mask);
> flush_gart();
> --
> 1.5.4.2
>
>
--
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next prev parent reply other threads:[~2008-09-05 10:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-05 8:58 [PATCH 0/3] fix alloc_coherent allocation issues (tip/x86/iommu) FUJITA Tomonori
2008-09-05 8:58 ` [PATCH] x86: fix nommu_alloc_coherent allocation with NULL device argument FUJITA Tomonori
2008-09-05 8:58 ` [PATCH] x86: use __GFP_NORETRY in the case of GFP_DMA with pci-nommu FUJITA Tomonori
2008-09-05 8:58 ` [PATCH] x86: gart alloc_coherent doesn't need to check NULL device argument FUJITA Tomonori
2008-09-05 10:41 ` Joerg Roedel [this message]
2008-09-05 10:43 ` [PATCH] x86: use __GFP_NORETRY in the case of GFP_DMA with pci-nommu Joerg Roedel
2008-09-06 12:18 ` FUJITA Tomonori
2008-09-08 11:41 ` Joerg Roedel
2008-09-05 10:40 ` [PATCH] x86: fix nommu_alloc_coherent allocation with NULL device argument Joerg Roedel
2008-09-05 10:49 ` Ingo Molnar
2008-09-05 11:56 ` Joerg Roedel
2008-09-06 12:18 ` FUJITA Tomonori
2008-09-05 9:11 ` [PATCH 0/3] fix alloc_coherent allocation issues (tip/x86/iommu) FUJITA Tomonori
2008-09-05 10:45 ` Ingo Molnar
2008-09-08 17:35 ` Ingo Molnar
2008-09-08 18:06 ` FUJITA Tomonori
2008-09-08 18:15 ` Ingo Molnar
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