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arm64: Enable CPU capability verification unconditionally

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We verify the capabilities of the secondary CPUs only when
hotplug is enabled. The boot time activated CPUs do not
go through the verification by checking whether the system
wide capabilities were initialised or not.

This patch removes the capability check dependency on CONFIG_HOTPLUG_CPU,
to make sure that all the secondary CPUs go through the check.
The boot time activated CPUs will still skip the system wide
capability check. The plan is to hook in a check for CPU features
used by the kernel at early boot up, based on the Boot CPU values.

Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Suzuki K Poulose
2016-02-23 10:31:43 +00:00
committed by Catalin Marinas
parent bb9052744f
commit fd9c2790cb
2 changed files with 0 additions and 16 deletions
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10
arch/arm64/kernel/cpufeature.c
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@@ -815,8 +815,6 @@ enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps)
on_each_cpu(caps[i].enable, NULL, true);
}
#ifdef CONFIG_HOTPLUG_CPU
/*
* Flag to indicate if we have computed the system wide
* capabilities based on the boot time active CPUs. This
@@ -922,14 +920,6 @@ void verify_local_cpu_capabilities(void)
}
}
#else /* !CONFIG_HOTPLUG_CPU */
static inline void set_sys_caps_initialised(void)
{
}
#endif /* CONFIG_HOTPLUG_CPU */
static void __init setup_feature_capabilities(void)
{
update_cpu_capabilities(arm64_features, "detected feature:");