Talk:IOCTL

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Revision as of 00:35, 3 October 2020 by Zecoxao (talk | contribs) (Created page with "= The process of ioctl in devices = <pre> find string of device in kernel find xrefs to func (should be two only) make_dev and mutex_init (we want make_dev) structure before...")
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The process of ioctl in devices[edit source]

find string of device in kernel
find xrefs to func (should be two only)
make_dev and mutex_init (we want make_dev)
structure before string is where we want to go
follow structure then go to the very last offset of structure
it is func in charge of ioctls
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