Messages in this thread | | | Date | Fri, 11 Jan 2008 09:54:58 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [linux-kernel] Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override. |
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David P. Reed wrote: > Alan Cox wrote: >>> bus abort on the LPC bus". More problematic is that I would think >>> some people might want to turn on the AMD feature that generates >>> machine checks if a bus timeout happens. The whole point of machine >>> checks is >> >> An ISA/LPC bus timeout is fulfilled by the bridge so doesn't cause an >> MCE.
> Good possibility, but the documentation on HyperTransport suggests > otherwise, even for LPC bridges in this particular modern world of > AMD64. I might do the experiment someday to see if my LPC bridge is > implemented in a way that does or doesn't support enabling MCE's. Could > be different between Intel and AMD - I haven't had reason to pore over > the Intel chipset specs, since my poking into all this stuff has been > driven by my personal machine's issues, and it's not got any Intel > compatible parts.
If you have a subtractive decoding bridge you will have completion on HT.
-hpa
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