Re: [PATCH] Revert "s390/kdump: Clear subchannel ID to signal non-CCW/SCSI IPL"

[Greg KH <greg@kroah.com>]

On Tue, Jul 26, 2016 at 01:51:32PM +0200, Michael Holzheu wrote:
> My mailer re-formatted the patch. Sorry for that.
> 
> Second try:
> 
> This reverts commit 852ffd0f4e23248b47531058e531066a988434b5.
> 
> There are use cases where an intermediate boot kernel (1) uses kexec
> to boot the final production kernel (2). For this scenario we should
> provide the original boot information to the production kernel (2).
> Therefore clearing the boot information during kexec() should not
> be done.
> 
> Cc: stable@vger.kernel.org # v3.17+
> Reported-by: Steffen Maier <maier@linux.vnet.ibm.com>
> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com
> ---
> * Requested versions for stable: v3.17 - v4.4
> * Changes for v3.17 - v4.4 stable:
>   - Refresh patch to fit to new context

Please always remind us what the upstream commit was for the patch (it
was 5419447e2142d6ed68c9f5c1a28630b3a290a845, right?)

thanks,

greg k-h