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

Here's my results on a PIII Xeon, 550mhz, 440GX chipset, and an ISA
slot, which until recently was actually used with an 8 port serial
card:

jfsnew:~/src> sudo ./port80
out: 729
in : 348
jfsnew:~/src> sudo ./port80
out: 729
in : 354
jfsnew:~/src> sudo ./port80
out: 729
in : 350
jfsnew:~/src> sudo ./port80
out: 728
in : 346
jfsnew:~/src> sudo ./port80
out: 730
in : 340
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Follow-Ups:
- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
  - From: Rene Herman <[email protected]>

References:
- 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: Andi Kleen <[email protected]>
- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
  - From: Alan Cox <[email protected]>
- Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
  - From: Pavel Machek <[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: Pavel Machek <[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: 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: 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: Rene Herman <[email protected]>

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