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

[Shi, Yang]

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@xxxxxxx>
> > Cc: <stable@xxxxxxxxxxxxxxx> #3.12+
> > Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxx>
>
> 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.

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