linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Michael Ellerman <mpe@ellerman.id.au>
To: Dave Olson <olson@cumulusnetworks.com>
Cc: Paul Mackerras <paulus@samba.org>, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 1/1] powerpc: fix missing L2 cache size in /sys/devices/system/cpu
Date: Tue, 10 Feb 2015 10:33:47 +1100	[thread overview]
Message-ID: <1423524827.19657.1.camel@ellerman.id.au> (raw)
In-Reply-To: <20150209221421.GA22286@cumulusnetworks.com>

On Mon, 2015-02-09 at 14:14 -0800, Dave Olson wrote:
> From: Dave Olson <olson@cumulusnetworks.com>
> 
> Fix missing L2 cache size in /sys/devices/system/cpu/cpu0/cache/index2/size
> This bug appears to be introduced in 2.6.29 by 93197a36a9c16a85fb24cf5a8639f7bf9af838a3.
> The missing entry caused lscpu to error out on e500v2 devices, and probably others
>  error: cannot open /sys/devices/system/cpu/cpu0/cache/index2/size: No such file or directory
> The DTS files we see use cache-size for the unified L2 cache size, not d-cache-size

Can you convince me that this is not going to break other machines that have
"d-cache-size" but not "cache-size"?
 
cheers

  reply	other threads:[~2015-02-09 23:33 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-09 22:14 [PATCH 1/1] powerpc: fix missing L2 cache size in /sys/devices/system/cpu Dave Olson
2015-02-09 23:33 ` Michael Ellerman [this message]
2015-02-09 23:43   ` Dave Olson
2015-02-10  0:12     ` Benjamin Herrenschmidt
2015-02-10  3:30       ` Michael Ellerman
2015-02-10  8:00       ` Dave Olson
2015-02-10  8:14         ` Benjamin Herrenschmidt
2015-02-10 16:55           ` Dave Olson
2015-02-10 19:45             ` Benjamin Herrenschmidt

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=1423524827.19657.1.camel@ellerman.id.au \
    --to=mpe@ellerman.id.au \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=olson@cumulusnetworks.com \
    --cc=paulus@samba.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).