Displaying 5 results from an estimated 5 matches for "io_tlb_lock".
2018 May 10
4
kernel spew from nouveau/ swiotlb
...[12608.677038] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes)
homer:/novell/ssh # dmesg|grep 'swiotlb buffer is full'|wc -l
2052
homer:/novell/ssh # dmesg|grep 'callbacks suppressed'|wc -l
171
lib/swiotlb.c:
573 not_found:
574 spin_unlock_irqrestore(&io_tlb_lock, flags);
575 if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit())
576 dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size);
Does nouveau perhaps want one of those DMA_ATTR_NO_WARN thingies?
-Mike
2018 May 10
0
kernel spew from nouveau/ swiotlb
...buffer is full (sz: 2097152
> bytes)
> homer:/novell/ssh # dmesg|grep 'swiotlb buffer is full'|wc -l
> 2052
> homer:/novell/ssh # dmesg|grep 'callbacks suppressed'|wc -l
> 171
>
> lib/swiotlb.c:
> 573 not_found:
> 574 spin_unlock_irqrestore(&io_tlb_lock, flags);
> 575 if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit())
> 576 dev_warn(hwdev, "swiotlb buffer is full (sz: %zd
> bytes)\n", size);
>
> Does nouveau perhaps want one of those DMA_ATTR_NO_WARN thingies?
>
Could you bi...
2018 May 10
0
kernel spew from nouveau/ swiotlb
...otlb buffer is full (sz: 2097152 bytes)
> homer:/novell/ssh # dmesg|grep 'swiotlb buffer is full'|wc -l
> 2052
> homer:/novell/ssh # dmesg|grep 'callbacks suppressed'|wc -l
> 171
>
> lib/swiotlb.c:
> 573 not_found:
> 574 spin_unlock_irqrestore(&io_tlb_lock, flags);
> 575 if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit())
> 576 dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size);
>
> Does nouveau perhaps want one of those DMA_ATTR_NO_WARN thingies?
Or should ttm perhaps al...
2018 May 11
2
kernel spew from nouveau/ swiotlb
...> > homer:/novell/ssh # dmesg|grep 'swiotlb buffer is full'|wc -l
> > 2052
> > homer:/novell/ssh # dmesg|grep 'callbacks suppressed'|wc -l
> > 171
> >
> > lib/swiotlb.c:
> > 573 not_found:
> > 574 spin_unlock_irqrestore(&io_tlb_lock, flags);
> > 575 if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit())
> > 576 dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size);
> >
> > Does nouveau perhaps want one of those DMA_ATTR_NO_WARN thingies?
>...
2013 Oct 17
42
[PATCH v8 0/19] enable swiotlb-xen on arm and arm64
Hi all,
this patch series enables xen-swiotlb on arm and arm64.
It has been heavily reworked compared to the previous versions in order
to achieve better performances and to address review comments.
We are not using dma_mark_clean to ensure coherency anymore. We call the
platform implementation of map_page and unmap_page.
We assume that dom0 has been mapped 1:1 (physical address ==
machine