Messages in this thread | | | Date | Wed, 29 Mar 2006 14:02:24 +0200 (MEST) | From | Jan Engelhardt <> | Subject | Re: Who wants to test cracklinux?? |
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>> >> read/write on /dev/mem. chmod 666 /dev/mem if you want to allow normal >> users to access physical memory (security hole, again). > >It's a security risk, but one that you might sometimes take to gain >some performance on a non-critical machine. I've done this in the >past to be able to play videos smoothly on a slow machine. > Actually, not only you. MPlayer's vesa output module (IIRC. if not, then it was svga) pokes /dev/mem as well. (Seeing vidix in your mail makes me assume you know the vesa/mem thing already. ;-)
Jan Engelhardt -- | Software Engineer and Linux/Unix Network Administrator | Alphagate Systems, http://alphagate.hopto.org/ | jengelh's site, http://jengelh.hopto.org/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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