On Wed 2018-06-27 16:08:14, Petr Mladek wrote:
> The commit 719f6a7040f1bdaf96 ("printk: Use the main logbuf in NMI
> when logbuf_lock is available") brought back the possible deadlocks
> in printk() and NMI.
>
> This is rework of the proposed fix, see
> https://lkml.kernel.org/r/20180606111557.xz
On (06/28/18 12:54), Petr Mladek wrote:
>
> On Thu 2018-06-28 11:39:02, Sergey Senozhatsky wrote:
> > On (06/27/18 16:08), Petr Mladek wrote:
> > >
> > > kernel/printk/printk.c | 57
> > > +++-
> > > kernel/printk/printk_safe.c | 58
> > > +++
On Thu 2018-06-28 11:39:02, Sergey Senozhatsky wrote:
> On (06/27/18 16:08), Petr Mladek wrote:
> >
> > kernel/printk/printk.c | 57
> > +++-
> > kernel/printk/printk_safe.c | 58
> > +
>
> Shall we just me
On (06/27/18 16:34), Petr Mladek wrote:
[..]
> > > Changes against v1:
> > >
> > > + Move the check from vprintk_emit() to vprintk_func()
> > > + More straightforward commit message
> > > + Fix build with CONFIG_PRINTK_NMI disabled
> >
> > Did I miss out V1?
>
> It is the above fixed link.
On (06/27/18 16:08), Petr Mladek wrote:
>
> kernel/printk/printk.c | 57 +++-
> kernel/printk/printk_safe.c | 58
> +
Shall we just merge these two?
-ss
On Wed 2018-06-27 23:16:12, Sergey Senozhatsky wrote:
> On (06/27/18 16:08), Petr Mladek wrote:
> > The commit 719f6a7040f1bdaf96 ("printk: Use the main logbuf in NMI
> > when logbuf_lock is available") brought back the possible deadlocks
> > in printk() and NMI.
> >
> > This is rework of the prop
On (06/27/18 23:16), Sergey Senozhatsky wrote:
> > Petr Mladek (3):
> > printk: Split the code for storing a message into the log buffer
> > printk: Create helper function to queue deferred console handling
> > printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
>
> Patch
On (06/27/18 16:08), Petr Mladek wrote:
> The commit 719f6a7040f1bdaf96 ("printk: Use the main logbuf in NMI
> when logbuf_lock is available") brought back the possible deadlocks
> in printk() and NMI.
>
> This is rework of the proposed fix, see
> https://lkml.kernel.org/r/20180606111557.xzs6l3lkv
The commit 719f6a7040f1bdaf96 ("printk: Use the main logbuf in NMI
when logbuf_lock is available") brought back the possible deadlocks
in printk() and NMI.
This is rework of the proposed fix, see
https://lkml.kernel.org/r/20180606111557.xzs6l3lkvg7lq...@pathway.suse.cz
I realized that we could ra
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