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Open Source and information security mailing list archives
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Date: Thu, 09 Oct 2008 14:27:33 -0700 From: Yinghai Lu <yinghai@...nel.org> To: Grant Grundler <grundler@...isc-linux.org> CC: Jesse Barnes <jbarnes@...tuousgeek.org>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org Subject: Re: [PATCH] pci: print out DMA mask info 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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