linux-kernel - Re: [PATCH RFC/RFT v3 1/9] drivers: base: add new class "cpu" to group cpu devices

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Date:	Fri, 28 Feb 2014 16:42:37 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sudeep Holla <sudeep.holla@....com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC/RFT v3 1/9] drivers: base: add new class "cpu" to
 group cpu devices

On Wed, Feb 19, 2014 at 04:06:08PM +0000, Sudeep Holla wrote:
> From: Sudeep Holla <sudeep.holla@....com>
> 
> This patch creates a new class called "cpu" and assigns it to all the
> cpu devices. This helps in grouping all the cpu devices and associated
> child devices under the same class.
> 
> This patch also:
> 1. modifies the get_parent_device to return the legacy path
>    (/sys/devices/system/cpu/..) for the cpu class devices to support
>    existing sysfs ABI
> 2. avoids creating link in the class directory pointing to the device as
>    there would be per-cpu instance of these devices with the same name
> 3. makes sure subsystem symlink continues pointing to cpu bus instead of
>    cpu class for cpu devices
> 
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

Does the sysfs layout change at all with this patch applied?

thanks,

greg k-h
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