linux-kernel - Re: [PATCH 0/2] sysfs: allow user-space request for devcoredump

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Date:   Tue, 9 Jan 2018 19:46:05 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Arend van Spriel <arend.vanspriel@...adcom.com>
Cc:     linux-kernel@...r.kernel.org, Arend van Spriel <aspriel@...il.com>
Subject: Re: [PATCH 0/2] sysfs: allow user-space request for devcoredump

On Tue, Dec 19, 2017 at 11:03:20AM +0100, Arend van Spriel wrote:
> From: Arend van Spriel <aspriel@...il.com>
> 
> Since commit 833c95456a70 ("device coredump: add new device coredump class")
> device drivers have a unified way to provide binary data obtained from a
> failing_device to user-space. However, there may be use-cases in which the
> driver has no reason to obtain the data, but user-space wants to initiate
> it. This adds a coredump device attribute in sysfs when the driver bound to
> the device supports the newly added coredump driver callback.

What driver is going to set this?  I don't want to add new options to
the kernel that never get used, do you have a driver to use it?

thanks,

greg k-h