On Mon, Sep 28, 2020 at 05:47:38PM +0800, Boqun Feng wrote:
> I think your version is better and should be functionally identical to
> mine, also FWIW, I tested with a lockdep boot selftests, everything
> worked fine.
Excellent, thanks! I'll go feed it to the robots.
On Mon, Sep 28, 2020 at 10:51:04AM +0200, Peter Zijlstra wrote:
> On Thu, Sep 17, 2020 at 04:01:50PM +0800, Boqun Feng wrote:
>
> > __cq_init(cq);
> > __cq_enqueue(cq, source_entry);
> >
> > + while (lock || (lock = __cq_dequeue(cq))) {
> > + if (!lock->class)
> > +
On Thu, Sep 17, 2020 at 04:01:50PM +0800, Boqun Feng wrote:
> __cq_init(cq);
> __cq_enqueue(cq, source_entry);
>
> + while (lock || (lock = __cq_dequeue(cq))) {
> + if (!lock->class)
> + return BFS_EINVALIDNODE;
>
> /*
> +
On Mon, Sep 28, 2020 at 10:08 AM Boqun Feng wrote:
>
> On Mon, Sep 28, 2020 at 10:03:19AM +0200, Dmitry Vyukov wrote:
> > On Thu, Sep 24, 2020 at 5:13 PM Boqun Feng wrote:
> > >
> > > Ping ;-)
> > >
> > > Regards,
> > > Boqun
> >
> > Hi Boqun,
> >
> > Peter says this may also fix this issue:
> >
On Mon, Sep 28, 2020 at 10:03:19AM +0200, Dmitry Vyukov wrote:
> On Thu, Sep 24, 2020 at 5:13 PM Boqun Feng wrote:
> >
> > Ping ;-)
> >
> > Regards,
> > Boqun
>
> Hi Boqun,
>
> Peter says this may also fix this issue:
> https://syzkaller.appspot.com/bug?extid=62ebe501c1ce9a91f68c
> please add th
On Thu, Sep 24, 2020 at 5:13 PM Boqun Feng wrote:
>
> Ping ;-)
>
> Regards,
> Boqun
Hi Boqun,
Peter says this may also fix this issue:
https://syzkaller.appspot.com/bug?extid=62ebe501c1ce9a91f68c
please add the following tag to the patch so that the bug report will
be closed on merge:
Reported-b
Ping ;-)
Regards,
Boqun
On Thu, Sep 17, 2020 at 04:01:50PM +0800, Boqun Feng wrote:
> Qian Cai reported a BFS_EQUEUEFULL warning [1] after read recursive
> deadlock detection merged into tip tree recently. Unlike the previous
> lockep graph searching, which iterate every lock class (every node in
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