From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Chris Metcalf <cmetcalf@tilera.com>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
Jiri Slaby <jslaby@suse.cz>
Subject: Re: [PATCH] tile: various console improvements
Date: Mon, 12 Aug 2013 11:39:54 -0700 [thread overview]
Message-ID: <20130812183954.GA19875@kroah.com> (raw)
In-Reply-To: <201308071458.r77EwWuV013082@farm-0012.internal.tilera.com>
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@tilera.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
prev parent reply other threads:[~2013-08-12 18:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-06 18:11 [PATCH] tile: various console improvements Chris Metcalf
2013-08-12 18:39 ` Greg Kroah-Hartman [this message]
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