Re: linux-next: build warning after merge of the rcu tree

[Olof Johansson]

Hi,

On Wed, Dec 11, 2019 at 9:06 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Hi all,
>
> After merging the rcu (I think) tree, today's linux-next build (x86_64
> allnoconfig) produced this warning:
>
> kernel/time/timer.c: In function 'schedule_timeout':
> kernel/time/timer.c:969:20: warning: 'timer.expires' may be used uninitialized in this function [-Wmaybe-uninitialized]
>   969 |   long diff = timer->expires - expires;
>       |               ~~~~~^~~~~~~~~
>
> Introduced by (bisected to) commit
>
>   c4127fce1d02 ("timer: Use hlist_unhashed_lockless() in timer_pending()")
>
> x86_64-linux-gnu-gcc (Debian 9.2.1-21) 9.2.1 20191130

This is still there as of last night's -next. Any update on getting a
fix queued together with the offending patch?


Thanks!

-Olof