linux-kernel - Re: [PATCH] drivers: base: add cpu_device

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140902172632.GA8238@kroah.com>
Date:	Tue, 2 Sep 2014 10:26:32 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sudeep Holla <sudeep.holla@....com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	David Herrmann <dh.herrmann@...il.com>,
	Kay Sievers <kay@...y.org>
Subject: Re: [PATCH] drivers: base: add cpu_device_create to support per-cpu
 devices

On Tue, Sep 02, 2014 at 06:22:07PM +0100, Sudeep Holla wrote:
> Hi Greg,
> 
> On 22/08/14 12:29, Sudeep Holla wrote:
> >From: Sudeep Holla <sudeep.holla@....com>
> >
> >This patch adds a new function to create per-cpu devices.
> >This helps in:
> >1. reusing the device infrastructure to create any cpu related
> >    attributes and corresponding sysfs instead of creating and
> >    dealing with raw kobjects directly
> >2. retaining the legacy path(/sys/devices/system/cpu/..) to support
> >    existing sysfs ABI
> >3. avoiding to create links in the bus directory pointing to the
> >    device as there would be per-cpu instance of these devices with
> >    the same name since dev->bus is not populated to cpu_sysbus on
> >    purpose
> >
> >Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> >Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> >---
> >  drivers/base/cpu.c  | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  include/linux/cpu.h |  4 ++++
> >  2 files changed, 58 insertions(+)
> >
> >Hi Greg,
> >
> >Here is the alternate solution I could come up with instead of
> >creating cpu class. cpu_device_create is very similar to
> >device_create_groups_vargs w/o class support, but I could not
> >reuse anything else to avoid creating similar function.
> >
> >Let me know your thoughts/suggestions on this.
> >
> 
> Any feedback on this ? If ok, I will respin cacheinfo series removing
> cpu class creation with this patch.

Please address the issues others have already raised.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/