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Mon, 16 Aug 2021 06:48:21 -0700 (PDT) From: Lee Jones To: lee.jones@linaro.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Thomas Gleixner Subject: [PATCH v2 1/1] genirq/cpuhotplug: Bump debugging information print down to KERN_DEBUG Date: Mon, 16 Aug 2021 14:48:17 +0100 Message-Id: <20210816134817.1503661-1-lee.jones@linaro.org> X-Mailer: git-send-email 2.33.0.rc1.237.g0d66db33f3-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210816_064825_921863_6A2BE3DC X-CRM114-Status: GOOD ( 13.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This sort of information is only generally useful when debugging. No need to have these sprinkled through the kernel log otherwise. Real world problem: During pre-release testing these have an affect on performance on real products. To the point where so much logging builds up, that it sets off the watchdog(s) on some high profile consumer devices. Cc: Thomas Gleixner Signed-off-by: Lee Jones Change-Id: I1ad66f05c33431e2a2b0765733c5536e835108e1 --- kernel/irq/cpuhotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c index 02236b13b3599..39a41c56ad4fe 100644 --- a/kernel/irq/cpuhotplug.c +++ b/kernel/irq/cpuhotplug.c @@ -166,7 +166,7 @@ void irq_migrate_all_off_this_cpu(void) raw_spin_unlock(&desc->lock); if (affinity_broken) { - pr_warn_ratelimited("IRQ %u: no longer affine to CPU%u\n", + pr_debug_ratelimited("IRQ %u: no longer affine to CPU%u\n", irq, smp_processor_id()); } }