diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2025-11-05 12:32:16 -0800 |
|---|---|---|
| committer | Frederic Weisbecker <frederic@kernel.org> | 2025-11-27 14:22:40 +0100 |
| commit | 609460a6db2016d9098b4bf50b3871302f5cc6ef (patch) | |
| tree | 8d7aa0e8a5db97dc64dde8a8fa8e87a194a83525 /kernel | |
| parent | d3f52f53a56278ce5ffeafa3cc6cfb3ecef770fe (diff) | |
rcutorture: Make srcu{,d}_torture_init() announce the SRCU type
This commit causes rcutorture's srcu_torture_init() and
srcud_torture_init() functions to announce on the console log
which variant of SRCU is being tortured, for example: "torture:
srcud_torture_init fast SRCU".
[ paulmck: Apply feedback from kernel test robot. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index ad9fdb996a1c..b619c740306b 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -701,10 +701,18 @@ static struct rcu_torture_ops srcud_ops; static void srcu_torture_init(void) { rcu_sync_torture_init(); - if (reader_flavor & SRCU_READ_FLAVOR_FAST) + if (!reader_flavor || (reader_flavor & SRCU_READ_FLAVOR_NORMAL)) + VERBOSE_TOROUT_STRING("srcu_torture_init normal SRCU"); + if (reader_flavor & SRCU_READ_FLAVOR_NMI) + VERBOSE_TOROUT_STRING("srcu_torture_init NMI-safe SRCU"); + if (reader_flavor & SRCU_READ_FLAVOR_FAST) { srcu_ctlp = &srcu_ctlf; - if (reader_flavor & SRCU_READ_FLAVOR_FAST_UPDOWN) + VERBOSE_TOROUT_STRING("srcu_torture_init fast SRCU"); + } + if (reader_flavor & SRCU_READ_FLAVOR_FAST_UPDOWN) { srcu_ctlp = &srcu_ctlfud; + VERBOSE_TOROUT_STRING("srcu_torture_init fast-up/down SRCU"); + } } static void srcu_get_gp_data(int *flags, unsigned long *gp_seq) @@ -920,12 +928,21 @@ static struct rcu_torture_ops srcu_ops = { static void srcud_torture_init(void) { rcu_sync_torture_init(); - if (reader_flavor & SRCU_READ_FLAVOR_FAST_UPDOWN) - WARN_ON(init_srcu_struct_fast_updown(&srcu_ctld)); - else if (reader_flavor & SRCU_READ_FLAVOR_FAST) + if (!reader_flavor || (reader_flavor & SRCU_READ_FLAVOR_NORMAL)) { + WARN_ON(init_srcu_struct(&srcu_ctld)); + VERBOSE_TOROUT_STRING("srcud_torture_init normal SRCU"); + } else if (reader_flavor & SRCU_READ_FLAVOR_NMI) { + WARN_ON(init_srcu_struct(&srcu_ctld)); + VERBOSE_TOROUT_STRING("srcud_torture_init NMI-safe SRCU"); + } else if (reader_flavor & SRCU_READ_FLAVOR_FAST) { WARN_ON(init_srcu_struct_fast(&srcu_ctld)); - else + VERBOSE_TOROUT_STRING("srcud_torture_init fast SRCU"); + } else if (reader_flavor & SRCU_READ_FLAVOR_FAST_UPDOWN) { + WARN_ON(init_srcu_struct_fast_updown(&srcu_ctld)); + VERBOSE_TOROUT_STRING("srcud_torture_init fast-up/down SRCU"); + } else { WARN_ON(init_srcu_struct(&srcu_ctld)); + } srcu_ctlp = &srcu_ctld; } |