On Monday, April 9, 2018 3:24:38 AM CEST Stephen Rothwell wrote: > > --Sig_/QL=OZEguM./+7xhHdQruHaV > Content-Type: text/plain; charset=US-ASCII > Content-Transfer-Encoding: quoted-printable > > Hi Rafael, > > After merging the pm tree, today's linux-next build (arm > multi_v7_defconfig) produced this warning: > > kernel/time/tick-sched.c: In function 'tick_nohz_idle_exit': > kernel/time/tick-sched.c:1162:3: warning: 'now' may be used uninitialized i= > n this function [-Wmaybe-uninitialized] > __tick_nohz_idle_restart_tick(ts, now); > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > kernel/time/tick-sched.c:1146:10: note: 'now' was declared here > ktime_t now; > ^~~ > > This appears to be a false positive. > > And another in the x86_64 allmodconfig build: > > kernel/time/tick-sched.c: In function 'tick_nohz_idle_exit': > kernel/time/tick-sched.c:538:2: warning: 'now' may be used uninitialized in= > this function [-Wmaybe-uninitialized] > update_ts_time_stats(smp_processor_id(), ts, now, NULL); > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > kernel/time/tick-sched.c:1146:10: note: 'now' was declared here > ktime_t now; > ^~~ > > also looks like a false positive.
Yes, they are false positives AFAICS. Cheers, Rafael
