Hi Hiroshi,
On Thursday, August 23, 2012 8:15 AM Hiroshi Doyu wrote:
> On Thu, 23 Aug 2012 07:58:34 +0200
> Marek Szyprowski wrote:
>
> > Hello,
> >
> > On Wednesday, August 22, 2012 3:37 PM Hiroshi Doyu wrote:
> >
> > > KyongHo Cho wrote @ Wed, 22 Aug 2012 14:47:00
> > > +0200:
> > >
> > > >
Hi,
On Thu, 23 Aug 2012 07:58:34 +0200
Marek Szyprowski wrote:
> Hello,
>
> On Wednesday, August 22, 2012 3:37 PM Hiroshi Doyu wrote:
>
> > KyongHo Cho wrote @ Wed, 22 Aug 2012 14:47:00
> > +0200:
> >
> > > vzalloc() call in __iommu_alloc_buffer() also causes BUG() in atomic
> > > context.
Hello,
On Wednesday, August 22, 2012 3:37 PM Hiroshi Doyu wrote:
> KyongHo Cho wrote @ Wed, 22 Aug 2012 14:47:00 +0200:
>
> > vzalloc() call in __iommu_alloc_buffer() also causes BUG() in atomic
> > context.
>
> Right.
>
> I've been thinking that kzalloc() may be enough here, since
> vzalloc
On Wed, Aug 22, 2012 at 03:36:48PM +0200, Hiroshi Doyu wrote:
> Hi,
>
> KyongHo Cho wrote @ Wed, 22 Aug 2012 14:47:00 +0200:
>
> > vzalloc() call in __iommu_alloc_buffer() also causes BUG() in atomic
> > context.
>
> Right.
>
> I've been thinking that kzalloc() may be enough here, since
> vza
Hi,
KyongHo Cho wrote @ Wed, 22 Aug 2012 14:47:00 +0200:
> vzalloc() call in __iommu_alloc_buffer() also causes BUG() in atomic context.
Right.
I've been thinking that kzalloc() may be enough here, since
vzalloc() was introduced to avoid allocation failure for big chunk of
memory, but I think
Marek Szyprowski wrote @ Wed, 22 Aug 2012 14:29:47
+0200:
> Hello,
>
> On Wednesday, August 22, 2012 12:20 PM Hiroshi Doyu wrote:
>
> > Makes use of the same atomic pool from DMA, and skips kernel page
> > mapping which can involves sleep'able operation at allocating a kernel
> > page table.
>
Hello,
On Wednesday, August 22, 2012 12:20 PM Hiroshi Doyu wrote:
> Makes use of the same atomic pool from DMA, and skips kernel page
> mapping which can involves sleep'able operation at allocating a kernel
> page table.
>
> Signed-off-by: Hiroshi Doyu
> ---
> arch/arm/mm/dma-mapping.c | 22
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