On Mon, Feb 17, 2014 at 02:12:23PM -0800, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>
>
> These diagnostic macros are not confined to torturing RCU, so this commit
> makes them available to other torture tests.
>
> Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
This removes the do {} while (0) around the first of the macros, without
any explanation in the commit message.
Also, to what extent could these be made redundant with pr_fmt?
if(verbose) seems like it really ought to become a priority level or
dynamic debugging (and it's really awful to further propagate macros
that reference an out-of-macro variable). Ideally all of these could go
away in favor of pr_fmt, and then the individual calls to them would
become pr_alert, pr_debug, pr_error, or similar.
- Josh Triplett
> include/linux/torture.h | 8 ++++++++
> kernel/rcu/rcutorture.c | 8 --------
> 2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/include/linux/torture.h b/include/linux/torture.h
> index 368e15bb1a39..8a4088f2f87b 100644
> --- a/include/linux/torture.h
> +++ b/include/linux/torture.h
> @@ -41,6 +41,14 @@
> module_param(name, type, 0444); \
> MODULE_PARM_DESC(name, msg);
>
> +#define TORTURE_FLAG "-torture:"
> +#define TOROUT_STRING(s) \
> + pr_alert("%s" TORTURE_FLAG s "\n", torture_type)
> +#define VERBOSE_TOROUT_STRING(s) \
> + do { if (verbose) pr_alert("%s" TORTURE_FLAG s "\n", torture_type); }
> while (0)
> +#define VERBOSE_TOROUT_ERRSTRING(s) \
> + do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! " s "\n",
> torture_type); } while (0)
> +
> /* Low-rider random number generator. */
> struct torture_random_state {
> unsigned long trs_state;
> diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
> index 04813bdf5e53..2bb3dcb67221 100644
> --- a/kernel/rcu/rcutorture.c
> +++ b/kernel/rcu/rcutorture.c
> @@ -96,14 +96,6 @@ static char *torture_type = "rcu";
> module_param(torture_type, charp, 0444);
> MODULE_PARM_DESC(torture_type, "Type of RCU to torture (rcu, rcu_bh, ...)");
>
> -#define TORTURE_FLAG "-torture:"
> -#define TOROUT_STRING(s) \
> - do { pr_alert("%s" TORTURE_FLAG s "\n", torture_type); } while (0)
> -#define VERBOSE_TOROUT_STRING(s) \
> - do { if (verbose) pr_alert("%s" TORTURE_FLAG s "\n", torture_type); }
> while (0)
> -#define VERBOSE_TOROUT_ERRSTRING(s) \
> - do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! " s "\n",
> torture_type); } while (0)
> -
> static int nrealreaders;
> static struct task_struct *writer_task;
> static struct task_struct **fakewriter_tasks;
> --
> 1.8.1.5
>
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