linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
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.
>

      reply	other threads:[~2015-11-20  0:23 UTC|newest]

Thread overview: 3+ 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
2015-11-19 17:59 ` Catalin Marinas
2015-11-20  0:23   ` Shi, Yang [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=564E681F.102@linaro.org \
    --to=yang.shi@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).