On 01/30/16 19:31, Slawa Olhovchenkov wrote:
On Sat, Jan 30, 2016 at 09:25:21PM +0300, Slawa Olhovchenkov wrote:
On Sat, Jan 30, 2016 at 09:42:13PM +0330, mokhi wrote:
i currently only wanna do patch on kbd.c (because i'm sure there is a
and i don't want to add anything to spltty() nor splx(), i just wanna
add things under where they've been used.
isn't problem with using mutex/spin/lock/unlock etc there?
currenly spltty act as mutex_lock(&spltty_mutex), like global lock for
all used files. this is also inter-files lock, not only lock inside
you need patch all files. all using spltty need to remove
i am see now all splXXX is nop.
may be incorretly -- for example, in digi.c i am don't see any lockind
Code that uses splxxx() needs to have the Giant lock locked when
running. Refer to the various MPSAFE flags.
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