On 4/26/18 1:20 AM, Christoph Hellwig wrote:
> On Tue, Apr 24, 2018 at 08:02:56PM -0600, Jens Axboe wrote:
>> On 4/24/18 12:16 PM, Christoph Hellwig wrote:
>>> ide_toggle_bounce did select various strange block bounce limits, including
>>> not bouncing at all as soon as an iommu is present in the
On Tue, Apr 24, 2018 at 08:02:56PM -0600, Jens Axboe wrote:
> On 4/24/18 12:16 PM, Christoph Hellwig wrote:
> > ide_toggle_bounce did select various strange block bounce limits, including
> > not bouncing at all as soon as an iommu is present in the system. Given
> > that the dma_map routines now
On 4/24/18 12:16 PM, Christoph Hellwig wrote:
> ide_toggle_bounce did select various strange block bounce limits, including
> not bouncing at all as soon as an iommu is present in the system. Given
> that the dma_map routines now handle any required bounce buffering except
> for ISA DMA, and the
ide_toggle_bounce did select various strange block bounce limits, including
not bouncing at all as soon as an iommu is present in the system. Given
that the dma_map routines now handle any required bounce buffering except
for ISA DMA, and the ide code already must handle either ISA DMA or highmem
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