On Wed 2019-02-20 14:44:33, Andrea Parri wrote:
> > >> > > + * Order the stores above in vsnprintf() vs the store
> > >> > > of the
> > >> > > + * space below which joins the two strings. Note this
> > >> > > doesn't
> > >> > > + * make the code truly race free
> >> > > + * Order the stores above in vsnprintf() vs the store
> >> > > of the
> >> > > + * space below which joins the two strings. Note this
> >> > > doesn't
> >> > > + * make the code truly race free because there is no
> >> > > barrier on
> >> > > +
Andrea Parri writes:
> On Mon, Feb 11, 2019 at 03:38:59PM +0100, Petr Mladek wrote:
>> On Mon 2019-02-11 13:50:35, Andrea Parri wrote:
>> > On Thu, Feb 07, 2019 at 11:46:29PM +1100, Michael Ellerman wrote:
>> > > Arch code can set a "dump stack arch description string" which is
>> > > displayed wi
On Mon, Feb 11, 2019 at 03:38:59PM +0100, Petr Mladek wrote:
> On Mon 2019-02-11 13:50:35, Andrea Parri wrote:
> > Hi Michael,
> >
> >
> > On Thu, Feb 07, 2019 at 11:46:29PM +1100, Michael Ellerman wrote:
> > > Arch code can set a "dump stack arch description string" which is
> > > displayed with
On Mon 2019-02-11 13:50:35, Andrea Parri wrote:
> Hi Michael,
>
>
> On Thu, Feb 07, 2019 at 11:46:29PM +1100, Michael Ellerman wrote:
> > Arch code can set a "dump stack arch description string" which is
> > displayed with oops output to describe the hardware platform.
> >
> > It is useful to in
Hi Michael,
On Thu, Feb 07, 2019 at 11:46:29PM +1100, Michael Ellerman wrote:
> Arch code can set a "dump stack arch description string" which is
> displayed with oops output to describe the hardware platform.
>
> It is useful to initialise this as early as possible, so that an early
> oops will
On (02/08/19 13:55), Steven Rostedt wrote:
[..]
> > + if (len) {
> > + /*
> > +* Order the stores above in vsnprintf() vs the store of the
> > +* space below which joins the two strings. Note this doesn't
> > +* make the code truly race free because t
On Thu, Feb 07, 2019 at 11:46:29PM +1100, Michael Ellerman wrote:
>
> diff --git a/include/linux/printk.h b/include/linux/printk.h
> index 77740a506ebb..d5fb4f960271 100644
> --- a/include/linux/printk.h
> +++ b/include/linux/printk.h
> @@ -198,6 +198,7 @@ u32 log_buf_len_get(void);
> void log_bu
Cc-ing Steven
https://lore.kernel.org/lkml/20190207124635.3885-1-...@ellerman.id.au/T/#u
On (02/07/19 23:46), Michael Ellerman wrote:
> Arch code can set a "dump stack arch description string" which is
> displayed with oops output to describe the hardware platform.
>
> It is useful to initiali
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