lkml.org 
[lkml]   [2014]   [Feb]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH tip/core/rcu 21/55] rcutorture: Export torture_type and verbose module parameters
On Mon, Feb 17, 2014 at 04:29:18PM -0800, Josh Triplett wrote:
> On Mon, Feb 17, 2014 at 02:12:25PM -0800, Paul E. McKenney wrote:
> > From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
> >
> > The torture_type and verbose module parameters are needed for log messages,
> > so this commit exports them to include/linux/torture.h.
> >
> > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
>
> Assuming this doesn't go away (which I really hope it does), this needs
> to occur *before* the introduction of the macros using these variables.

Yep, it does go away. ;-)

But it bisects as is -- the only user at this point in the series is
kernel/rcu/rcutorture.c, which is where the definitions got moved from.

Thanx, Paul

> - Josh Triplett
>
> > include/linux/torture.h | 4 ++++
> > kernel/rcu/rcutorture.c | 8 ++++++--
> > 2 files changed, 10 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/linux/torture.h b/include/linux/torture.h
> > index c61b4ce18a13..9b6a4834de8f 100644
> > --- a/include/linux/torture.h
> > +++ b/include/linux/torture.h
> > @@ -49,6 +49,10 @@ extern int fullstop;
> > /* Protect fullstop transitions and spawning of kthreads. */
> > extern struct mutex fullstop_mutex;
> >
> > +/* Common module parameters. */
> > +extern char *torture_type;
> > +extern bool verbose;
> > +
> > #define TORTURE_FLAG "-torture:"
> > #define TOROUT_STRING(s) \
> > pr_alert("%s" TORTURE_FLAG s "\n", torture_type)
> > diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
> > index 3687619b243a..49cdeeaaa54b 100644
> > --- a/kernel/rcu/rcutorture.c
> > +++ b/kernel/rcu/rcutorture.c
> > @@ -90,11 +90,15 @@ torture_parm(int, test_boost_interval, 7,
> > "Interval between boost tests, seconds.");
> > torture_parm(bool, test_no_idle_hz, true,
> > "Test support for tickless idle CPUs");
> > -torture_parm(bool, verbose, false, "Enable verbose debugging printk()s");
> >
> > -static char *torture_type = "rcu";
> > +char *torture_type = "rcu";
> > +EXPORT_SYMBOL_GPL(torture_type);
> > module_param(torture_type, charp, 0444);
> > MODULE_PARM_DESC(torture_type, "Type of RCU to torture (rcu, rcu_bh, ...)");
> > +bool verbose;
> > +EXPORT_SYMBOL_GPL(verbose);
> > +module_param(verbose, bool, 0444);
> > +MODULE_PARM_DESC(verbose, "Enable verbose debugging printk()s");
> >
> > static int nrealreaders;
> > static struct task_struct *writer_task;
> > --
> > 1.8.1.5
> >
>



\
 
 \ /
  Last update: 2014-02-18 02:41    [W:0.861 / U:0.220 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site