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Re: [PATCH v4 3/5] irqchip/gic: Restore CPU interface checking

From Catalin Marinas <catalin.marinas@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v4 3/5] irqchip/gic: Restore CPU interface checking
Date 2016-04-22 15:40 +0200
Message-ID <rqJtp-2Ga-17@gated-at.bofh.it> (permalink)
References <rqHrz-1aV-3@gated-at.bofh.it> <rqHrA-1aV-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, Apr 22, 2016 at 12:25:33PM +0100, Suzuki K. Poulose wrote:
> From: Marc Zyngier <marc.zyngier@arm.com>
> 
> When introducing the whole CPU feature detection framework,
> we lost the capability to detect a mismatched GIC configuration
> (using the GICv2 MMIO interface, but having the system register
> interface enabled).
> 
> In order to solve this, use the new this_cpu_has_cap() helper.
> Also move the check to the CPU interface path in order to catch
> systems where the first CPU has been correctly configured,
> but the secondaries are not.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

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Thread

[PATCH v4 0/5] arm64: Fix behavior of maxcpus=n Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-04-22 13:30 +0200
  [PATCH v4 3/5] irqchip/gic: Restore CPU interface checking Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-04-22 13:30 +0200
    Re: [PATCH v4 3/5] irqchip/gic: Restore CPU interface checking Catalin Marinas <catalin.marinas@arm.com> - 2016-04-22 15:40 +0200
  [PATCH v4 1/5] arm64: cpufeature: Add scope for capability check Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-04-22 13:30 +0200
    Re: [PATCH v4 1/5] arm64: cpufeature: Add scope for capability check Catalin Marinas <catalin.marinas@arm.com> - 2016-04-22 15:40 +0200
  [PATCH v4 2/5] arm64: Allow a capability to be checked on a single CPU Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-04-22 13:30 +0200
    Re: [PATCH v4 2/5] arm64: Allow a capability to be checked on a  single CPU Catalin Marinas <catalin.marinas@arm.com> - 2016-04-22 15:40 +0200

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