Messages in this thread | | | Subject | RE: Write-combining | Date | Wed, 12 May 2004 11:00:49 -0700 | From | "Venkatesan, Ganesh" <> |
| |
lspci -vvv for your device should display the device specific BARs. If you see the corresponding BAR in /proc/mtrr display it means that it is MTRR mapped device memory.
Thanks, ganesh
-----Original Message----- From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Thiago Robert Sent: Tuesday, May 11, 2004 11:43 AM To: Sean Neakums Cc: linux-kernel@vger.kernel.org Subject: Re: Write-combining
Is anyone certain about this?
Thanks in advance.
_________________________ Thiago Robert
Sean Neakums wrote:
>Thiago Robert <robert@inf.ufsc.br> writes: > > > >>Is the default behaviour of the Linux kernel to enable >>write-combining? How can I be sure if it is enabled or not? >> >> > >My /proc/mtrr lists the following region: > >reg03: base=0xf8000000 (3968MB), size= 64MB: write-combining, count=2 > >which I am guessing is the PCI space, although I'm not certain. >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > > >
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |