From mboxrd@z Thu Jan  1 00:00:00 1970
From: yang.shi@linaro.org (Shi, Yang)
Date: Thu, 19 Nov 2015 16:23:59 -0800
Subject: [V2 PATCH] arm64: restore bogomips information in /proc/cpuinfo
In-Reply-To: <20151119175906.GA10823@e104818-lin.cambridge.arm.com>
References: <1447872535-31117-1-git-send-email-yang.shi@linaro.org>
 <20151119175906.GA10823@e104818-lin.cambridge.arm.com>
Message-ID: <564E681F.102@linaro.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 11/19/2015 9:59 AM, Catalin Marinas wrote:
> On Wed, Nov 18, 2015 at 10:48:55AM -0800, Yang Shi wrote:
>> As what Pavel Machek reported [1], some userspace applications depend on
>> bogomips showed by /proc/cpuinfo.
>>
>> Although there is much less legacy impact on aarch64 than arm, but it does
>> break libvirt.
>>
>> Basically, this patch reverts commit 326b16db9f69fd0d279be873c6c00f88c0a4aad5
>> ("arm64: delay: don't bother reporting bogomips in /proc/cpuinfo"), but with
>> some tweak due to context change.
>>
>> [1] https://lkml.org/lkml/2015/1/4/132
>>
>> Acked-by: Will Deacon <will.deacon@arm.com>
>> Cc: <stable@vger.kernel.org> #3.12+
>> Signed-off-by: Yang Shi <yang.shi@linaro.org>
>
> Patch applied as a fix for stable, basically returning back to the
> pre-3.12 behaviour. If there is a need for some more useful information
> here, it can be done as an additional patch, though without cc: stable.

Thanks. This approach sounds safer to usersapce.

Yang

>
> Thanks.
>