linux-kernel - Re: [PATCH] tile: various console improvements

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Message-ID: <20130812183954.GA19875@kroah.com>
Date:	Mon, 12 Aug 2013 11:39:54 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Chris Metcalf <cmetcalf@...era.com>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: [PATCH] tile: various console improvements

On Tue, Aug 06, 2013 at 02:11:21PM -0400, Chris Metcalf wrote:
> This change improves and cleans up the tile console.
> 
> - We enable HVC_IRQ support on tilegx, with the addition of a new
>   Tilera hypervisor API for tilegx to allow a console IPI.  If IPI
>   support is not available we fall back to the previous polling mode.
> 
> - We simplify the earlyprintk code to use CON_BOOT and eliminate some
>   of the other supporting earlyprintk code.
> 
> - A new tile_console_write() primitive is used to send output to
>   the console and is factored out of the hvc_tile driver.
>   This lets us support a "sim_console" boot argument to allow using
>   simulator hooks to send output to the "console" as a slightly
>   faster alternative to emulating the hardware more directly.
> 
> Signed-off-by: Chris Metcalf <cmetcalf@...era.com>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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