Hi Vincent,
Thanks for the feedback.
> Subject: Re: [PATCH v3] PM-runtime: fix deadlock with ktime
>
> On Fri, 1 Feb 2019 at 16:48, Vincent Guittot
> wrote:
> >
> > On Fri, 1 Feb 2019 at 16:44, Biju Das wrote:
> > >
> > > Hi Vincent,
> > >
rg> On Behalf Of Vincent Guittot
> > > Sent: 01 February 2019 15:29
> > > To: Biju Das
> > > Cc: Rafael J. Wysocki ; Linux PM > > p...@vger.kernel.org>; Linux Kernel Mailing List > > ker...@vger.kernel.org>; Linux ARM > > ker...@lists.infradead.o
l.org>; Linux ARM > ker...@lists.infradead.org>; Linux OMAP Mailing List > o...@vger.kernel.org>; Rafael J. Wysocki ; Ulf
> > Hansson ; Geert Uytterhoeven > m68k.org>; Linux-Renesas
> > Subject: Re: [PATCH v3] PM-runtime: fix deadlock with ktime
> >
> &g
/0x118
> > [ 194.057208] multi_cpu_stop+0x8c/0x140
> > [ 194.060970] cpu_stopper_thread+0xac/0x120
> > [ 194.065087] smpboot_thread_fn+0x1ac/0x2c8
> > [ 194.069198] kthread+0x128/0x130
> > [ 194.072439] ret_from_fork+0x10/0x18
> >
> >
> > R
fradead.org>; Linux OMAP Mailing List o...@vger.kernel.org>; Rafael J. Wysocki ; Ulf
> Hansson ; Geert Uytterhoeven m68k.org>; Linux-Renesas
> Subject: Re: [PATCH v3] PM-runtime: fix deadlock with ktime
>
> On Fri, 1 Feb 2019 at 16:02, Biju Das wrote:
> >
> > Hi Vi
> > From: Rafael J. Wysocki
> > Sent: 30 January 2019 21:53
> > To: Vincent Guittot
> > Cc: Linux PM ; Linux Kernel Mailing List > ker...@vger.kernel.org>; Linux ARM > ker...@lists.infradead.org>; Linux OMAP Mailing List > o...@vger.kernel.org>; Ra
ux PM ; Linux Kernel Mailing List ker...@vger.kernel.org>; Linux ARM ker...@lists.infradead.org>; Linux OMAP Mailing List o...@vger.kernel.org>; Rafael J. Wysocki ; Ulf
> Hansson ; Biju Das ;
> Geert Uytterhoeven ; Linux-Renesas renesas-...@vger.kernel.org>
> Subject: Re: [PA
On Wed, Jan 30, 2019 at 6:26 PM Vincent Guittot
wrote:
>
> A deadlock has been seen when swicthing clocksources which use PM runtime.
> The call path is:
> change_clocksource
> ...
> write_seqcount_begin
> ...
> timekeeping_update
> ...
> sh_cmt_clocksource_enable
A deadlock has been seen when swicthing clocksources which use PM runtime.
The call path is:
change_clocksource
...
write_seqcount_begin
...
timekeeping_update
...
sh_cmt_clocksource_enable
...
rpm_resume
9 matches
Mail list logo