From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752795AbdHBQEY (ORCPT ); Wed, 2 Aug 2017 12:04:24 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36234 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751773AbdHBQEW (ORCPT ); Wed, 2 Aug 2017 12:04:22 -0400 Date: Wed, 2 Aug 2017 09:04:20 -0700 From: Greg KH To: Felix Schnizlein Cc: linux-kernel@vger.kernel.org, x86@kernel.org, yanmin.zhang@intel.com, mingo@redhat.com, trenn@suse.com Subject: Re: [PATCH 1/2] Add sysfs based cpuinfo structure Message-ID: <20170802160420.GA18507@kroah.com> References: <1501686852-13692-1-git-send-email-fschnizlein@suse.com> <1501686852-13692-2-git-send-email-fschnizlein@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1501686852-13692-2-git-send-email-fschnizlein@suse.com> User-Agent: Mutt/1.8.3 (2017-05-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 02, 2017 at 05:14:11PM +0200, Felix Schnizlein wrote: > Create a new sysfs attribute group called 'info' for each > online cpu. The cleaned up cpuinfo shows up in a sysfs > subdirectory here: /sys/devices/system/cpu/cpu#/info. > > Define preprocessor macros (CPUINFO_DEFINE_* and CPUINFO_ATTR) to make > defining new sysfs attributes for cpuinfo more easy. > > Add basic documentation for the info sysfs tree. > > Signed-off-by: Felix Schnizlein > Signed-off-by: Thomas Renninger > --- > Documentation/ABI/testing/sysfs-devices-system-cpu | 17 ++++++++ > arch/Kconfig | 3 ++ > drivers/base/Makefile | 1 + > drivers/base/cpuinfo.c | 48 ++++++++++++++++++++++ > include/linux/cpuhotplug.h | 1 + > include/linux/cpuinfo.h | 43 +++++++++++++++++++ > 6 files changed, 113 insertions(+) > create mode 100644 drivers/base/cpuinfo.c > create mode 100644 include/linux/cpuinfo.h > > diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu > index f3d5817..fbaf165 100644 > --- a/Documentation/ABI/testing/sysfs-devices-system-cpu > +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu > @@ -373,3 +373,20 @@ Contact: Linux kernel mailing list > Description: information about CPUs heterogeneity. > > cpu_capacity: capacity of cpu#. > + > +What: /sys/devices/system/cpu/cpu#/info/ > +Date: June 2017 > +Contact: Linux kernel mailing list > +Description: Various information about the online cpu. Which attributes are > + available depends on the architecture, kernel configuration and > + cpu model. tabs? > + > +What: /sys/devices/system/cpu/cpu#/info/ > + /sys/devices/system/cpu/cpu#/info/vendor_id > + /sys/devices/system/cpu/cpu#/info/cpu_family > + /sys/devices/system/cpu/cpu#/info/model > + /sys/devices/system/cpu/cpu#/info/model_name > + /sys/devices/system/cpu/cpu#/info/stepping > + /sys/devices/system/cpu/cpu#/info/flags > + /sys/devices/system/cpu/cpu#/info/bugs > + /sys/devices/system/cpu/cpu#/info/bogomips Can you guarantee that all arches will be able to provide these? thanks, greg k-h