Messages in this thread | | | Date | Thu, 09 Oct 2008 14:27:33 -0700 | From | Yinghai Lu <> | Subject | Re: [PATCH] pci: print out DMA mask info |
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Grant Grundler wrote: > On Wed, Oct 08, 2008 at 04:02:23PM -0700, Yinghai Lu wrote: >> so can find out what is DMA mask is used for pci devices in addition to >> default setting. > > I like the idea. I don't like the additional boot time output. > > But I'm thinking this could be an option to lspci. > lspci already knows about the /sys tree. Can PCI export the two masks > (dma_mask and dma_consistent_mask) and something like "lspci -td" > would dump those in a nice way? > in boot log, it could link with driver, pci info... > >> got: >> aacraid 0000:86:00.0: using 32bit DMA mask >> aacraid 0000:86:00.0: using 32bit consistent DMA mask >> aacraid 0000:86:00.0: using 64bit DMA mask >> aacraid 0000:86:00.0: using 64bit consistent DMA mask
and aacraid do 32bit at first then 64bit...
so put that in boot message could be useful too.
YH
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