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Don't flag alignment constraints as a reason for bouncing. This fixes the

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trigger for other misbehaviour in the sym driver that was causing freezes at
boot.  Thanks to phk@ for reporting and testing this.
This commit is contained in:
scottl 2004-11-29 14:49:27 +00:00
parent cdc87f254a
commit c9eff643a7
2 changed files with 2 additions and 2 deletions
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2
sys/amd64/amd64/busdma_machdep.c
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@ -277,7 +277,7 @@ bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
} }
if (newtag->lowaddr < ptoa((vm_paddr_t)Maxmem) if (newtag->lowaddr < ptoa((vm_paddr_t)Maxmem)
|| newtag->alignment > 1 || newtag->boundary > 0) || newtag->alignment > 1)
newtag->flags |= BUS_DMA_COULD_BOUNCE; newtag->flags |= BUS_DMA_COULD_BOUNCE;
if (((newtag->flags & BUS_DMA_COULD_BOUNCE) != 0) && if (((newtag->flags & BUS_DMA_COULD_BOUNCE) != 0) &&

2
sys/i386/i386/busdma_machdep.c
View File

@ -277,7 +277,7 @@ bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
} }
if (newtag->lowaddr < ptoa((vm_paddr_t)Maxmem) if (newtag->lowaddr < ptoa((vm_paddr_t)Maxmem)
|| newtag->alignment > 1 || newtag->boundary > 0) || newtag->alignment > 1)
newtag->flags |= BUS_DMA_COULD_BOUNCE; newtag->flags |= BUS_DMA_COULD_BOUNCE;
if (((newtag->flags & BUS_DMA_COULD_BOUNCE) != 0) && if (((newtag->flags & BUS_DMA_COULD_BOUNCE) != 0) &&