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cpu: Do not warn on arch_register_cpu() returning -EPROBE_DEFER

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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@kernel.org>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-3-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Jonathan Cameron 2024-05-29 14:34:29 +01:00 committed by Catalin Marinas
parent c1385c1f0b
commit d830ef3ac5
1 changed files with 1 additions and 1 deletions
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2
drivers/base/cpu.c
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@ -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 && ret != -EPROBE_DEFER)
pr_warn("register_cpu %d failed (%d)\n", i, ret);
}
}