From: Florian Fainelli <f.fainelli@gmail.com> To: linux-arm-kernel@lists.infradead.org Cc: rmk+kernel@armlinux.org.uk, Florian Fainelli <f.fainelli@gmail.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Marc Zyngier <marc.zyngier@arm.com>, Julien Thierry <julien.thierry@arm.com>, Suzuki K Poulose <Suzuki.Poulose@arm.com>, Sudeep Holla <sudeep.holla@arm.com>, Rob Herring <robh@kernel.org>, Steve Capper <steve.capper@arm.com>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Daniel Thompson <daniel.thompson@linaro.org>, linux-kernel@vger.kernel.org (open list) Subject: [PATCH] arm64: Demote boot and shutdown messages to pr_debug Date: Tue, 30 Apr 2019 15:38:31 -0700 [thread overview] Message-ID: <20190430223835.23513-1-f.fainelli@gmail.com> (raw) Similar to commits c68b0274fb3cf ("ARM: reduce "Booted secondary processor" message to debug level") and 035e787543de7 ("ARM: 8644/1: Reduce "CPU: shutdown" message to debug level"), demote the secondary_start_kernel() and __cpu_die() messages from info, respectively notice to debug. While we are at it, also do this for cpu_psci_cpu_kill() which is redundant with __cpu_die(). This helps improve the amount of possible hotplug cycles by around +50% on ARCH_BRCMSTB. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- arch/arm64/kernel/psci.c | 2 +- arch/arm64/kernel/smp.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index 8cdaf25e99cd..a78581046c80 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -96,7 +96,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu) for (i = 0; i < 10; i++) { err = psci_ops.affinity_info(cpu_logical_map(cpu), 0); if (err == PSCI_0_2_AFFINITY_LEVEL_OFF) { - pr_info("CPU%d killed.\n", cpu); + pr_debug("CPU%d killed.\n", cpu); return 0; } diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 824de7038967..71fd2b5a3f0e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -259,7 +259,7 @@ asmlinkage notrace void secondary_start_kernel(void) * the CPU migration code to notice that the CPU is online * before we continue. */ - pr_info("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n", + pr_debug("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n", cpu, (unsigned long)mpidr, read_cpuid_id()); update_cpu_boot_status(CPU_BOOT_SUCCESS); @@ -348,7 +348,7 @@ void __cpu_die(unsigned int cpu) pr_crit("CPU%u: cpu didn't die\n", cpu); return; } - pr_notice("CPU%u: shutdown\n", cpu); + pr_debug("CPU%u: shutdown\n", cpu); /* * Now that the dying CPU is beyond the point of no return w.r.t. -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Florian Fainelli <f.fainelli@gmail.com> To: linux-arm-kernel@lists.infradead.org Cc: Rob Herring <robh@kernel.org>, Daniel Thompson <daniel.thompson@linaro.org>, Florian Fainelli <f.fainelli@gmail.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Marc Zyngier <marc.zyngier@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Julien Thierry <julien.thierry@arm.com>, Will Deacon <will.deacon@arm.com>, open list <linux-kernel@vger.kernel.org>, rmk+kernel@armlinux.org.uk, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Sudeep Holla <sudeep.holla@arm.com>, Suzuki K Poulose <Suzuki.Poulose@arm.com>, Steve Capper <steve.capper@arm.com> Subject: [PATCH] arm64: Demote boot and shutdown messages to pr_debug Date: Tue, 30 Apr 2019 15:38:31 -0700 [thread overview] Message-ID: <20190430223835.23513-1-f.fainelli@gmail.com> (raw) Similar to commits c68b0274fb3cf ("ARM: reduce "Booted secondary processor" message to debug level") and 035e787543de7 ("ARM: 8644/1: Reduce "CPU: shutdown" message to debug level"), demote the secondary_start_kernel() and __cpu_die() messages from info, respectively notice to debug. While we are at it, also do this for cpu_psci_cpu_kill() which is redundant with __cpu_die(). This helps improve the amount of possible hotplug cycles by around +50% on ARCH_BRCMSTB. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- arch/arm64/kernel/psci.c | 2 +- arch/arm64/kernel/smp.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index 8cdaf25e99cd..a78581046c80 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -96,7 +96,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu) for (i = 0; i < 10; i++) { err = psci_ops.affinity_info(cpu_logical_map(cpu), 0); if (err == PSCI_0_2_AFFINITY_LEVEL_OFF) { - pr_info("CPU%d killed.\n", cpu); + pr_debug("CPU%d killed.\n", cpu); return 0; } diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 824de7038967..71fd2b5a3f0e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -259,7 +259,7 @@ asmlinkage notrace void secondary_start_kernel(void) * the CPU migration code to notice that the CPU is online * before we continue. */ - pr_info("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n", + pr_debug("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n", cpu, (unsigned long)mpidr, read_cpuid_id()); update_cpu_boot_status(CPU_BOOT_SUCCESS); @@ -348,7 +348,7 @@ void __cpu_die(unsigned int cpu) pr_crit("CPU%u: cpu didn't die\n", cpu); return; } - pr_notice("CPU%u: shutdown\n", cpu); + pr_debug("CPU%u: shutdown\n", cpu); /* * Now that the dying CPU is beyond the point of no return w.r.t. -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2019-04-30 22:39 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-30 22:38 Florian Fainelli [this message] 2019-04-30 22:38 ` [PATCH] arm64: Demote boot and shutdown messages to pr_debug Florian Fainelli 2019-05-01 10:47 ` Mark Rutland 2019-05-01 10:47 ` Mark Rutland 2019-05-01 11:01 ` Marc Zyngier 2019-05-01 11:01 ` Marc Zyngier 2019-05-01 11:02 ` Robin Murphy 2019-05-01 11:02 ` Robin Murphy 2019-05-01 16:43 ` Florian Fainelli 2019-05-01 16:43 ` Florian Fainelli 2019-05-01 16:07 ` Florian Fainelli 2019-05-01 16:07 ` Florian Fainelli
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