Messages in this thread | | | Date | Mon, 4 Apr 2022 16:16:31 +0200 | Subject | Re: staging: r8188eu: how to handle nested mutex under spinlock | From | Michael Straube <> |
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On 4/4/22 15:33, Dan Carpenter wrote: > On Sun, Apr 03, 2022 at 02:18:04PM +0200, Michael Straube wrote: >> On 4/3/22 14:10, Fabio M. De Francesco wrote: >>> For a list of all the paths to a given function you may use Smatch: >>> >>> ./smatch/smatch_data/db/smdb.py ips_leave >>> >>> or >>> >>> ./smatch/smatch_data/db/smdb.py call_tree ips_leave >>> >>> But perhaps you already know how to do it. >> >> Yes, but thank you anyway. :) >> > > My email (gmail account) has been so weird recently. I don't know why > I'm not getting Fabio's emails... Presumably they will show up in a few > days. > > The other command to use is: > > $ ./smatch/smatch_data/db/smdb.py preempt ips_leave > rtw_set_802_11_disassociate() <- disables preempt > -> _rtw_pwr_wakeup() > -> LeaveAllPowerSaveMode() > -> ips_leave() > > I save that to a file, open it with with vim and run a vim function > `hall` (for highlight all) from my .vimrc file. > > " Use :hall to highlight all the words in a file (for debugging sleeping bugs) > function HLall() > let a=[] > %s/\w\+/\=add(a, submatch(0))/gn > let @/ = join(a, "\\|") > endfunction > cnoreabbrev hall call HLall() <CR>:set hls<CR> > > That highlights all the functions is the call tree, then I use cscope to > jump to rtw_set_802_11_disassociate and follow the highlighted functions > to ips_leave().
Thank you for this hint Dan. :)
thanks, Michael
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