Messages in this thread | | | Date | Thu, 23 Oct 2008 13:58:02 +0200 | From | Takashi Iwai <> | Subject | Re: swiotlb_alloc_coherent: allocated memory is out of range for device |
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At Thu, 23 Oct 2008 07:22:09 +0200, I wrote: > > > The current dma_alloc_coherent (asm-x86/dma-mapping.h) handles the gfp > > flags in the exact same way as the old dma_alloc_coherent > > (pci-dma.c). Neither sets GFP_DMA even if coherent_dma_mask is > > 24bits. The old code is fine because of the GFP_DMA retry > > mechanism. But if coherent_dma_mask is 24bits, there is no point to go > > into the GFP_DMA retry mechanism. We should use GFP_DMA in the first > > place. > > > > How about the following patch? > > I'll give it a try later (the machine is in my office).
The patch seems working fine. Thanks!
Tested-by: Takashi Iwai <tiwai@suse.de>
Takashi
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