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dma-mapping: bypass indirect calls for dma-direct

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Avoid expensive indirect calls in the fast path DMA mapping
operations by directly calling the dma_direct_* ops if we are using
the directly mapped DMA operations.

Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Jesper Dangaard Brouer <[email protected]>
Tested-by: Jesper Dangaard Brouer <[email protected]>
Tested-by: Tony Luck <[email protected]>
This commit is contained in:
Christoph Hellwig 2018-12-06 13:39:32 -08:00
commit 356da6d0cd
20 changed files with 150 additions and 119 deletions
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4
arch/parisc/kernel/setup.c
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@ -99,10 +99,6 @@ void __init dma_ops_init(void)
case pcxl2:
pa7300lc_init();
case pcxl: /* falls through */
case pcxs:
case pcxt:
hppa_dma_ops = &dma_direct_ops;
break;
default:
break;