On 06/25/2015 11:12 AM, Daniel Axtens wrote: >> - int bhrb_users; >> + unsigned int bhrb_users; > > OK, so this is a good start. > > A quick git grep for bhrb_users reveals this: > perf/core-book3s.c: WARN_ON_ONCE(cpuhw->bhrb_users < 0); > > That occurs in power_pmu_bhrb_disable, immediately following a decrement > of bhrb_users. Now that the test can never be true, this patch should > change the function to check if bhrb_users is 0 before decrementing.
Sure. Would replace with 'WARN_ON_ONCE(!cpuhw->bhrb_users)' before decrementing bhrb_users in the function. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
