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

Catalin Marinas catalin.marinas at arm.com
Wed Nov 25 03:52:29 PST 2015

On Wed, Nov 25, 2015 at 12:45:13AM -0500, Jon Masters wrote:
> On 11/18/15, 1:15 PM, 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.
> On a total tangent, it would be ideal to (eventually) have something
> reported in /proc/cpuinfo or dmesg during boot that does "accurately" map
> back to the underlying core frequency (as opposed to the generic timer
> frequency).

I'm fine with this if someone proposes a (sane) patch. But it wouldn't
be for stable.


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