Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops

On Thu, 13 Dec 2007 08:13:29 -0500
"David P. Reed" <[email protected]> wrote:

> Perhaps what was meant is that ISA-tuned timings make little sense on 
> devices that are part of the chipset or on the PCI or PCI-X buses?

No.

ISA as LPC bus is alive and well inside and outside chipsets. Welcome to
planet earth and the reality of 'its cheaper to reuse cells than design a
new one'. For the chipset logic like DMA controllers the _p is absolutely
correct.

Alan
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References:
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  - From: "David P. Reed" <[email protected]>
- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
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- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
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- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
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- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
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- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
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  - From: "H. Peter Anvin" <[email protected]>
- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
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