From: yang.shi@linaro.org (Shi, Yang)
To: linux-arm-kernel@lists.infradead.org
Subject: [V2 PATCH] arm64: restore bogomips information in /proc/cpuinfo
Date: Thu, 19 Nov 2015 16:23:59 -0800 [thread overview]
Message-ID: <564E681F.102@linaro.org> (raw)
In-Reply-To: <20151119175906.GA10823@e104818-lin.cambridge.arm.com>
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.
>
WARNING: multiple messages have this Message-ID (diff)
From: "Shi, Yang" <yang.shi@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will.Deacon@arm.com, stable@vger.kernel.org,
linaro-kernel@lists.linaro.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [V2 PATCH] arm64: restore bogomips information in /proc/cpuinfo
Date: Thu, 19 Nov 2015 16:23:59 -0800 [thread overview]
Message-ID: <564E681F.102@linaro.org> (raw)
In-Reply-To: <20151119175906.GA10823@e104818-lin.cambridge.arm.com>
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.
>
next prev parent reply other threads:[~2015-11-20 0:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-18 18:48 [V2 PATCH] arm64: restore bogomips information in /proc/cpuinfo Yang Shi
2015-11-18 18:48 ` Yang Shi
2015-11-19 17:59 ` Catalin Marinas
2015-11-19 17:59 ` Catalin Marinas
2015-11-20 0:23 ` Shi, Yang [this message]
2015-11-20 0:23 ` Shi, Yang
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