On Fri, Aug 02, 2024 at 09:28:32AM -0700, Eric Biggers wrote: > > Note that kfree() lacks a might_sleep(), and its kerneldoc does not say that it > can sleep. Have you checked for other instances of this same problem? It seems > it would be quite common kernel-wide. Is it really necessary that kfree() takes > a sleepable lock on PREEMPT_RT? Agreed. kfree() gets called in all sorts of places under softirq context in the network stack which would presumably have the same issue. Please give a bit of context of when kfree started doing this. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
