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Message-ID: <20240417131909.7925-3-Jonathan.Cameron@huawei.com>
Date: Wed, 17 Apr 2024 14:18:55 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra
<peterz@...radead.org>, <linux-pm@...r.kernel.org>,
<loongarch@...ts.linux.dev>, <linux-acpi@...r.kernel.org>,
<linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <kvmarm@...ts.linux.dev>,
<x86@...nel.org>, Russell King <linux@...linux.org.uk>, "Rafael J . Wysocki"
<rafael@...nel.org>, Miguel Luis <miguel.luis@...cle.com>, James Morse
<james.morse@....com>, Salil Mehta <salil.mehta@...wei.com>, Jean-Philippe
Brucker <jean-philippe@...aro.org>, Catalin Marinas
<catalin.marinas@....com>, Will Deacon <will@...nel.org>
CC: Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave
Hansen <dave.hansen@...ux.intel.com>, <linuxarm@...wei.com>,
<justin.he@....com>, <jianyong.wu@....com>
Subject: [PATCH v6 02/16] cpu: Do not warn on arch_register_cpu() returning -EPROBE_DEFER
For arm64 the CPU registration cannot complete until the ACPI
interpreter us up and running so in those cases the arch specific
arch_register_cpu() will return -EPROBE_DEFER at this stage and the
registration will be attempted later.
Suggested-by: Rafael J. Wysocki <rafael@...nel.org>
Acked-by: Rafael J. Wysocki <rafael@...nel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
v6: tags
---
drivers/base/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 56fba44ba391..b9d0d14e5960 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -558,7 +558,7 @@ static void __init cpu_dev_register_generic(void)
for_each_present_cpu(i) {
ret = arch_register_cpu(i);
- if (ret)
+ if (ret != -EPROBE_DEFER)
pr_warn("register_cpu %d failed (%d)\n", i, ret);
}
}
--
2.39.2
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