Messages in this thread | | | Date | Wed, 22 May 2002 14:31:48 +0200 | From | Martin Dalecki <> | Subject | Re: [PATCH] 2.5.17 /dev/ports |
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Uz.ytkownik Alan Cox napisa?: >>kmem = kernel memory. That may not be the same as the physical >>memory (the fact that it is at present I find mostly irrelevant here). >>/dev/mem is the more correct device to use for this purpose. > > > /dev/mem is also not strictly correct. Linux in/out space is operated as > synchronous I/O operations. A dumb map of /dev/mem areas can lead to > differences if the platform concerned has to do the I/O post and wait > completion handling in software. (O_SYNC is also not enough since thats > memory caching not PCI posting) >
I wisper only - memzone...
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