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McKenney" To: Valentin Schneider Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, bpf@vger.kernel.org, x86@kernel.org, rcu@vger.kernel.org, linux-kselftest@vger.kernel.org, Steven Rostedt , Masami Hiramatsu , Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Paolo Bonzini , Wanpeng Li , Vitaly Kuznetsov , Andy Lutomirski , Peter Zijlstra , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Boqun Feng , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Andrew Morton , Uladzislau Rezki , Christoph Hellwig , Lorenzo Stoakes , Josh Poimboeuf , Jason Baron , Kees Cook , Sami Tolvanen , Ard Biesheuvel , Nicholas Piggin , Juerg Haefliger , Nicolas Saenz Julienne , "Kirill A. Shutemov" , Nadav Amit , Dan Carpenter , Chuang Wang , Yang Jihong , Petr Mladek , "Jason A. Donenfeld" , Song Liu , Julian Pidancet , Tom Lendacky , Dionna Glaze , Thomas =?iso-8859-1?Q?Wei=DFschuh?= , Juri Lelli , Marcelo Tosatti , Yair Podemsky , Daniel Wagner , Petr Tesarik Subject: Re: [RFC PATCH v3 05/15] rcutorture: Make TREE04 use CONFIG_RCU_DYNTICKS_TORTURE Message-ID: Reply-To: paulmck@kernel.org References: <20241119153502.41361-1-vschneid@redhat.com> <20241119153502.41361-6-vschneid@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241119153502.41361-6-vschneid@redhat.com> X-Rspam-User: X-Rspamd-Queue-Id: ED33A14000C X-Rspamd-Server: rspam11 X-Stat-Signature: jqydjzq19398wijtk65qo6wmfu99tqur X-HE-Tag: 1732280027-674805 X-HE-Meta: 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 nDMGVsVd 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Nov 19, 2024 at 04:34:52PM +0100, Valentin Schneider wrote: > We now have an RCU_EXPERT config for testing small-sized RCU dynticks > counter: CONFIG_RCU_DYNTICKS_TORTURE. > > Modify scenario TREE04 to exercise to use this config in order to test a > ridiculously small counter (2 bits). > > Link: http://lore.kernel.org/r/4c2cb573-168f-4806-b1d9-164e8276e66a@paulmck-laptop > Suggested-by: Paul E. McKenney > Signed-off-by: Valentin Schneider Reviewed-by: Paul E. McKenney > --- > tools/testing/selftests/rcutorture/configs/rcu/TREE04 | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 > index dc4985064b3ad..67caf4276bb01 100644 > --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 > +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 > @@ -16,3 +16,4 @@ CONFIG_DEBUG_OBJECTS_RCU_HEAD=n > CONFIG_RCU_EXPERT=y > CONFIG_RCU_EQS_DEBUG=y > CONFIG_RCU_LAZY=y > +CONFIG_RCU_DYNTICKS_TORTURE=y > -- > 2.43.0 >