From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Cc: "Paul E. McKenney" <paulmck@kernel.org>,
Boqun Feng <boqun.feng@gmail.com>, Marco Elver <elver@google.com>,
Peter Zijlstra <peterz@infradead.org>,
Tomas Gleixner <tglx@linutronix.de>,
Vlastimil Babka <vbabka@suse.cz>,
akpm@linux-foundation.org, cl@linux.com, iamjoonsoo.kim@lge.com,
longman@redhat.com, penberg@kernel.org, rientjes@google.com,
sfr@canb.auug.org.au,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [PATCH v3 1/4] scftorture: Avoid additional div operation.
Date: Fri, 8 Nov 2024 11:39:31 +0100 [thread overview]
Message-ID: <20241108104217.3759904-2-bigeasy@linutronix.de> (raw)
In-Reply-To: <20241108104217.3759904-1-bigeasy@linutronix.de>
Replace "scfp->cpu % nr_cpu_ids" with "cpu". This has been computed
earlier.
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
kernel/scftorture.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/scftorture.c b/kernel/scftorture.c
index 44e83a6462647..455cbff35a1a2 100644
--- a/kernel/scftorture.c
+++ b/kernel/scftorture.c
@@ -463,7 +463,7 @@ static int scftorture_invoker(void *arg)
// Make sure that the CPU is affinitized appropriately during testing.
curcpu = raw_smp_processor_id();
- WARN_ONCE(curcpu != scfp->cpu % nr_cpu_ids,
+ WARN_ONCE(curcpu != cpu,
"%s: Wanted CPU %d, running on %d, nr_cpu_ids = %d\n",
__func__, scfp->cpu, curcpu, nr_cpu_ids);
--
2.45.2
next prev parent reply other threads:[~2024-11-08 10:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-08 10:39 [PATCH v3 0/4] scftorture: Avoid kfree from IRQ context Sebastian Andrzej Siewior
2024-11-08 10:39 ` Sebastian Andrzej Siewior [this message]
2024-11-08 10:39 ` [PATCH v3 2/4] scftorture: Wait until scf_cleanup_handler() completes Sebastian Andrzej Siewior
2024-11-08 10:39 ` [PATCH v3 3/4] scftorture: Move memory allocation outside of preempt_disable region Sebastian Andrzej Siewior
2024-11-08 10:39 ` [PATCH v3 4/4] scftorture: Use a lock-less list to free memory Sebastian Andrzej Siewior
2024-11-08 17:46 ` [PATCH v3 0/4] scftorture: Avoid kfree from IRQ context Boqun Feng
2024-11-08 18:33 ` Paul E. McKenney
2024-11-08 18:45 ` Sebastian Andrzej Siewior
2024-11-08 19:01 ` Paul E. McKenney
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