Am 22.03.2015 um 09:26 schrieb Paolo Bonzini: > 32-bit PPC cannot do atomic operations on long long. Inside the loops, > we are already using local counters that are summed at the end of > the run---with some exceptions (rcu_stress_count for rcutorture, > n_nodes for test-rcu-list): fix them to use the same technique. > For test-rcu-list, remove the mostly unused member "val" from the > list. Then, use a mutex to protect the global counts. > > Performance does not matter there because every thread will only enter > the critical section once. > > Remaining uses of atomic instructions are for ints or pointers. > > Reported-by: Andreas Faerber <afaer...@suse.de> > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > tests/rcutorture.c | 20 ++++++++++++++++---- > tests/test-rcu-list.c | 50 ++++++++++++++++++++++++++++---------------------- > 2 files changed, 44 insertions(+), 26 deletions(-)
Tested-by: Andreas Färber <afaer...@suse.de> Passing these tests now, but running into unrelated qtest failures. Thanks, Andreas -- SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu, Graham Norton; HRB 21284 (AG Nürnberg)