Function kernel_kexec() is called with lock system_transition_mutex held
in reboot system call. While inside kernel_kexec(), it will acquire
system_transition_mutex agin. This will lead to dead lock.
The dead lock should be easily triggered, it hasn't caused any failure
report just because the fea
On 01/21/21 at 03:42pm, Rafael J. Wysocki wrote:
> On Thu, Jan 21, 2021 at 10:14 AM Pingfan Liu wrote:
> >
> > On Wed, Jan 20, 2021 at 5:30 PM Baoquan He wrote:
> > >
> > > Hi,
> > >
> > > On 11/18/20 at 09:59pm, Dan Carpenter wrote:
> > > > Hello Pingfan Liu,
> > > >
> > > > The patch 55f2503c3b
On 01/22/21 at 09:22am, Dave Young wrote:
> Hi John,
>
> On 01/21/21 at 09:32am, john.p.donne...@oracle.com wrote:
> > On 11/22/20 9:47 PM, Dave Young wrote:
> > > Hi Guilherme,
> > > On 11/22/20 at 12:32pm, Guilherme Piccoli wrote:
> > > > Hi Dave and Kairui, thanks for your responses! OK, if tha
Hi John,
On 01/21/21 at 09:32am, john.p.donne...@oracle.com wrote:
> On 11/22/20 9:47 PM, Dave Young wrote:
> > Hi Guilherme,
> > On 11/22/20 at 12:32pm, Guilherme Piccoli wrote:
> > > Hi Dave and Kairui, thanks for your responses! OK, if that makes sense
> > > to you I'm fine with it. I'd just re
On 11/22/20 9:47 PM, Dave Young wrote:
Hi Guilherme,
On 11/22/20 at 12:32pm, Guilherme Piccoli wrote:
Hi Dave and Kairui, thanks for your responses! OK, if that makes sense
to you I'm fine with it. I'd just recommend to test recent kernels in
multiple distros with the minimum "range" to see if 6
On Thu, Jan 21, 2021 at 10:14 AM Pingfan Liu wrote:
>
> On Wed, Jan 20, 2021 at 5:30 PM Baoquan He wrote:
> >
> > Hi,
> >
> > On 11/18/20 at 09:59pm, Dan Carpenter wrote:
> > > Hello Pingfan Liu,
> > >
> > > The patch 55f2503c3b69: "PM / reboot: Eliminate race between reboot
> > > and suspend" fr
On Wed, Jan 20, 2021 at 5:30 PM Baoquan He wrote:
>
> Hi,
>
> On 11/18/20 at 09:59pm, Dan Carpenter wrote:
> > Hello Pingfan Liu,
> >
> > The patch 55f2503c3b69: "PM / reboot: Eliminate race between reboot
> > and suspend" from Jul 31, 2018, leads to the following static checker
> > warning:
> >
>
On 01/21/21 at 04:12pm, Yang Li wrote:
> Fix below warnings reported by coccicheck:
> ./fs/proc/vmcore.c:1503:2-7: WARNING: NULL check before some freeing
> functions is not needed.
>
> Reported-by: Abaci Robot
> Signed-off-by: Yang Li
> ---
> fs/proc/vmcore.c | 7 ++-
> 1 file changed, 2 i
Fix below warnings reported by coccicheck:
./fs/proc/vmcore.c:1503:2-7: WARNING: NULL check before some freeing
functions is not needed.
Reported-by: Abaci Robot
Signed-off-by: Yang Li
---
fs/proc/vmcore.c | 7 ++-
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/proc/vmcore
