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

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From: Pavel Machek
Date: Tuesday, December 11, 2007 - 12:16 pm

Hi!


2 at least; that's how long outb(0x80) takes on one of my
machines. Actually, ISA can go down to 4MHz, so maybe we should be
using 4 usec.... but I guess I'm paranoid here.
									Pavel
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Messages in current thread:
Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern ..., Dr. David Alan Gilbert, (Sun Dec 9, 6:41 am)
Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern ..., linux-os (Dick Johnson), (Tue Dec 11, 8:41 am)
Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern ..., Pavel Machek, (Tue Dec 11, 12:16 pm)
Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern ..., linux-os (Dick Johnson), (Tue Dec 11, 1:27 pm)
Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern ..., linux-os (Dick Johnson), (Wed Dec 12, 6:11 am)
More info on port 80 symptoms on MCP51 machine., David P. Reed, (Wed Dec 12, 1:07 pm)
Re: More info on port 80 symptoms on MCP51 machine., Rene Herman, (Wed Dec 12, 1:26 pm)
Re: Attitude problems., linux-os (Dick Johnson), (Wed Dec 12, 1:31 pm)
Re: More info on port 80 symptoms on MCP51 machine., David P. Reed, (Wed Dec 12, 1:37 pm)
Re: More info on port 80 symptoms on MCP51 machine., H. Peter Anvin, (Wed Dec 12, 2:05 pm)
Re: Attitude problems., linux-os (Dick Johnson), (Fri Dec 14, 9:01 am)
Re: More info on port 80 symptoms on MCP51 machine., Chuck Ebbert, (Fri Dec 14, 3:05 pm)
Re: More info on port 80 symptoms on MCP51 machine., Rene Herman, (Sat Dec 15, 12:22 am)
RE: More info on port 80 symptoms on MCP51 machine., Allen Martin, (Sat Dec 15, 3:34 pm)
Re: More info on port 80 symptoms on MCP51 machine., H. Peter Anvin, (Sat Dec 15, 3:46 pm)