Messages in this thread | | | Date | Sun, 7 May 2006 13:12:01 +0000 | From | Pavel Machek <> | Subject | Re: Add a "enable" sysfs attribute to the pci devices to allow userspace (Xorg) to enable devices without doing foul direct access |
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Hi!
> >It has everything to do with the 'enable' file. The > >'enable' file lets > >you change the state of the hardware without an > >ownership mechanism. > >Other device users will not be notified of the state > >change. Since the > >other users can't be sure of the state of the hardware > >when they are > >activated, they will have to reload their state into > >the hardware on > >every activation. > > you seem to miss the fact that this can be done now > without the enable > flag, setpci can be used to disable the BARs, again the > enable flag > doesn't change that....
...well, when you launch setpci, you are firmly in 'unsupported' land. While 'enable' sounds like something where users expect it to be supported.
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