From: kosaki.motohiro@gmail.com (KOSAKI Motohiro)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv2 4/4] ARM: dma-mapping: remove custom consistent dma region
Date: Tue, 29 May 2012 20:11:09 -0400 [thread overview]
Message-ID: <4FC5659D.6040805@gmail.com> (raw)
In-Reply-To: <1337252085-22039-5-git-send-email-m.szyprowski@samsung.com>
> static void *
> __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot,
> const void *caller)
> {
> - struct arm_vmregion *c;
> - size_t align;
> - int bit;
> + struct vm_struct *area;
> + unsigned long addr;
>
> - if (!consistent_pte) {
> - printk(KERN_ERR "%s: not initialised\n", __func__);
> + area = get_vm_area_caller(size, VM_DMA | VM_USERMAP, caller);
In this patch, VM_DMA is only used here. So, is this no effect?
WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org,
linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Kyungmin Park <kyungmin.park@samsung.com>,
Arnd Bergmann <arnd@arndb.de>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Chunsang Jeong <chunsang.jeong@linaro.org>,
Krishna Reddy <vdumpa@nvidia.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Hiroshi Doyu <hdoyu@nvidia.com>,
Subash Patel <subashrp@gmail.com>,
kosaki.motohiro@gmail.com
Subject: Re: [PATCHv2 4/4] ARM: dma-mapping: remove custom consistent dma region
Date: Tue, 29 May 2012 20:11:09 -0400 [thread overview]
Message-ID: <4FC5659D.6040805@gmail.com> (raw)
In-Reply-To: <1337252085-22039-5-git-send-email-m.szyprowski@samsung.com>
> static void *
> __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot,
> const void *caller)
> {
> - struct arm_vmregion *c;
> - size_t align;
> - int bit;
> + struct vm_struct *area;
> + unsigned long addr;
>
> - if (!consistent_pte) {
> - printk(KERN_ERR "%s: not initialised\n", __func__);
> + area = get_vm_area_caller(size, VM_DMA | VM_USERMAP, caller);
In this patch, VM_DMA is only used here. So, is this no effect?
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WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org,
linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Kyungmin Park <kyungmin.park@samsung.com>,
Arnd Bergmann <arnd@arndb.de>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Chunsang Jeong <chunsang.jeong@linaro.org>,
Krishna Reddy <vdumpa@nvidia.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Hiroshi Doyu <hdoyu@nvidia.com>,
Subash Patel <subashrp@gmail.com>,
kosaki.motohiro@gmail.com
Subject: Re: [PATCHv2 4/4] ARM: dma-mapping: remove custom consistent dma region
Date: Tue, 29 May 2012 20:11:09 -0400 [thread overview]
Message-ID: <4FC5659D.6040805@gmail.com> (raw)
In-Reply-To: <1337252085-22039-5-git-send-email-m.szyprowski@samsung.com>
> static void *
> __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot,
> const void *caller)
> {
> - struct arm_vmregion *c;
> - size_t align;
> - int bit;
> + struct vm_struct *area;
> + unsigned long addr;
>
> - if (!consistent_pte) {
> - printk(KERN_ERR "%s: not initialised\n", __func__);
> + area = get_vm_area_caller(size, VM_DMA | VM_USERMAP, caller);
In this patch, VM_DMA is only used here. So, is this no effect?
next prev parent reply other threads:[~2012-05-30 0:11 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 10:54 [PATCHv2 0/4] ARM: replace custom consistent dma region with vmalloc Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-17 10:54 ` [PATCHv2 1/4] mm: vmalloc: use const void * for caller argument Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-22 6:58 ` Minchan Kim
2012-05-22 6:58 ` Minchan Kim
2012-05-22 6:58 ` Minchan Kim
2012-05-17 10:54 ` [PATCHv2 2/4] mm: vmalloc: export find_vm_area() function Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-22 7:01 ` Minchan Kim
2012-05-22 7:01 ` Minchan Kim
2012-05-22 7:01 ` Minchan Kim
2012-05-17 10:54 ` [PATCHv2 3/4] mm: vmalloc: add VM_DMA flag to indicate areas used by dma-mapping framework Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-22 7:07 ` Minchan Kim
2012-05-22 7:07 ` Minchan Kim
2012-05-22 7:07 ` Minchan Kim
2012-05-24 12:26 ` Marek Szyprowski
2012-05-24 12:26 ` Marek Szyprowski
2012-05-24 12:26 ` Marek Szyprowski
2012-05-24 12:28 ` Paul Mundt
2012-05-24 12:28 ` Paul Mundt
2012-05-24 12:28 ` Paul Mundt
2012-05-27 12:35 ` KOSAKI Motohiro
2012-05-27 12:35 ` KOSAKI Motohiro
2012-05-27 12:35 ` KOSAKI Motohiro
2012-05-28 8:19 ` Marek Szyprowski
2012-05-28 8:19 ` Marek Szyprowski
2012-05-28 8:19 ` Marek Szyprowski
2012-05-29 15:07 ` Konrad Rzeszutek Wilk
2012-05-29 15:07 ` Konrad Rzeszutek Wilk
2012-05-29 15:07 ` Konrad Rzeszutek Wilk
2012-05-17 10:54 ` [PATCHv2 4/4] ARM: dma-mapping: remove custom consistent dma region Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-17 10:54 ` Marek Szyprowski
2012-05-22 7:33 ` Minchan Kim
2012-05-22 7:33 ` Minchan Kim
2012-05-22 7:33 ` Minchan Kim
2012-05-22 12:50 ` Marek Szyprowski
2012-05-22 12:50 ` Marek Szyprowski
2012-05-22 12:50 ` Marek Szyprowski
2012-05-30 0:11 ` KOSAKI Motohiro [this message]
2012-05-30 0:11 ` KOSAKI Motohiro
2012-05-30 0:11 ` KOSAKI Motohiro
2012-05-30 7:15 ` Marek Szyprowski
2012-05-30 7:15 ` Marek Szyprowski
2012-05-30 7:15 ` Marek Szyprowski
2012-05-30 7:22 ` KOSAKI Motohiro
2012-05-30 7:22 ` KOSAKI Motohiro
2012-05-30 7:22 ` KOSAKI Motohiro
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