Messages in this thread | | | Subject | Re: unregister_ioctl32_conversion and modules. ioctl32 revisited. | From | Lee Revell <> | Date | Wed, 15 Dec 2004 13:30:59 -0500 |
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On Wed, 2004-12-15 at 19:20 +0100, Takashi Iwai wrote: > At Wed, 15 Dec 2004 09:46:35 +0200, > Michael S. Tsirkin wrote: > > > > There were two additional motivations for my patch: > > 1. Make it possible to avoid the BKL completely by writing > > an ioctl with proper internal locking. > > 2. As noted by Juergen Kreileder, the compat hash does not work > > for ioctls that encode additional information in the command, like this: > > > > #define EVIOCGBIT(ev,len) _IOC(_IOC_READ, 'E', 0x20 + ev, len) > > I like the idea very well. Other benifits in addition: >
How does this all relate to Ingo's ->unlocked_ioctl stuff which is "an official way to do BKL-less ioctls"?
http://lkml.org/lkml/2004/12/14/53
Lee
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