linux-kernel - Re: [PATCH] drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN

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Message-ID: <20150510171844.GA20715@kroah.com>
Date:	Sun, 10 May 2015 19:18:44 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Chris Metcalf <cmetcalf@...hip.com>
Cc:	Jiri Slaby <jslaby@...e.cz>, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN

On Tue, May 05, 2015 at 01:11:28PM -0400, Chris Metcalf wrote:
> We were returning zero if no bytes could be written to the Tilera
> hypervisor console device, but this causes the output to be truncated.
> By returning -EAGAIN the tty hvc driver will come back and try again,
> which gives the semantics we want, and avoids dropping console output.
> 
> Signed-off-by: Chris Metcalf <cmetcalf@...hip.com>
> ---
> I have queued this in the tile tree as a tile-specific device, but
> if someone would prefer to pick it up for a tty or tty/hvc tree,
> that's fine too; just let me know.

Sounds good to me, feel free to add:

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

if you want it :)
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