[V2 PATCH] arm64: restore bogomips information in /proc/cpuinfo

Shi, Yang yang.shi at linaro.org
Thu Nov 19 16:23:59 PST 2015

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 at arm.com>
>> Cc: <stable at vger.kernel.org> #3.12+
>> Signed-off-by: Yang Shi <yang.shi at 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.


> Thanks.

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