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
Date: Monday, December 10, 2007 - 10:58 pm

Alan Cox wrote:

Well that, plus it was serialized and uses PCI electricals and timing, 
hence the LPC (Low Pin Count) moniker.  Its performance is pretty much 
exactly ISA, though, and unlike PCI it provides full support for all 
legacy ISA features like slave DMA.

	-hpa
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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 ..., H. Peter Anvin, (Mon Dec 10, 10:58 pm)
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 ..., 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)