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From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: stable@vger.kernel.org
Cc: mark.rutland@arm.com, catalin.marinas@arm.com, will@kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: cpufeature: Fix truncating a feature value
Date: Thu, 10 Oct 2019 12:12:01 +0100
Message-ID: <ca77dec7-b29b-5a3b-0c01-047a06d1854d@arm.com> (raw)
In-Reply-To: <20191010110856.4376-1-suzuki.poulose@arm.com>

All,

On 10/10/2019 12:08, Suzuki K Poulose wrote:
> A signed feature value is truncated to turn to an unsigned value
> causing bad state in the system wide infrastructure. This affects
> the discovery of FP/ASIMD support on arm64. Fix this by making sure
> we cast it properly.
> 
> Fixes: 4f0a606bce5ec ("arm64: cpufeature: Track unsigned fields")
> Cc: stable@vger.kernel.org # v4.4

Please note that this patch is only applicable for stable 4.4 tree.
I should have removed the Fixes tag.

Cheers
Suzuki

  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 11:08 Suzuki K Poulose
2019-10-10 11:12 ` Suzuki K Poulose [this message]
2019-10-10 12:29   ` Greg KH
2019-10-10 12:46     ` Suzuki K Poulose
2019-10-10 13:16       ` Greg KH
2019-10-10 13:19     ` Suzuki K Poulose
2019-10-11  4:55       ` Greg KH
2019-10-11 10:31         ` Suzuki K Poulose
2019-10-11 12:13           ` Greg KH

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