Messages in this thread | | | From | Keith Owens <> | Subject | Re: [CHECKER] 4 warnings in kernel/module.c | Date | Fri, 23 Mar 2001 22:05:28 +1100 |
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On Fri, 23 Mar 2001 02:41:40 -0800 (PST), Junfeng Yang <yjf@stanford.edu> wrote: >Hi, we modified the block checker and run it again on linux 2.4.1. (The >block checker flags an error when blocking functions are called with >either interrupts disabled or a spin lock held. ) > >It gave us 4 warnings in kernel/module.c. Because we are unaware of the >contexts where these functions are called, we are not sure if these 4 >warnings are real errors or false positives. Please help us to verify them >or show that they are false positives.
All false positives. The big kernel lock is a special case, you are allowed to sleep while holding that lock. See release_kernel_lock() and reacquire_kernel_lock() in sched().
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