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

On 11-12-07 18:04, Rene Herman wrote:

On 11-12-07 18:00, David P. Reed wrote:

Which port do you want me to test?

Oh, thought your previous reply was already responding to this. The "other diagnostic port", 0xed. The point is not so much that it's going to be a good alternate solution but to exclude it being a possible solution.

Also, I can run the timing test on my machine if you share the source
code so I can build it.

Thanks, would be interesting. This one:

Okay, this needs to be junked. I don't get it, but I get different results from an -O2 and an -O0 compile on this one.

Anyone?

Rene.

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• References:
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: Krzysztof Halasa <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: David Newall <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: "H. Peter Anvin" <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: David Newall <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: Paul Rolland <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: Rene Herman <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: David Newall <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: Rene Herman <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: David Newall <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: "linux-os (Dick Johnson)" <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: Andi Kleen <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: Rene Herman <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: "David P. Reed" <[email protected]>
  • Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
    • From: Rene Herman <[email protected]>

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