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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
	Ian.Campbell@citrix.com, tim@xen.org,
	linux-arm-kernel@lists.infradead.org,
	linaro-dev@lists.linaro.org, catalin.marinas@arm.com,
	arnd@arndb.de
Subject: Re: [PATCH 23/24] hvc_xen: allow dom0_write_console for HVM guests
Date: Wed, 1 Aug 2012 10:54:13 -0400	[thread overview]
Message-ID: <20120801145413.GR7227@phenom.dumpdata.com> (raw)
In-Reply-To: <1343316846-25860-23-git-send-email-stefano.stabellini@eu.citrix.com>

On Thu, Jul 26, 2012 at 04:34:05PM +0100, Stefano Stabellini wrote:
> On ARM all guests are HVM guests, including Dom0.
> Allow dom0_write_console to be called by an HVM domain.

Um, but xen_hvm_domain() != xen_pv_domain() so won't this return without
printing anything?

> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> ---
>  drivers/tty/hvc/hvc_xen.c |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
> index 3c04fb8..949edc2 100644
> --- a/drivers/tty/hvc/hvc_xen.c
> +++ b/drivers/tty/hvc/hvc_xen.c
> @@ -616,12 +616,9 @@ static void xenboot_write_console(struct console *console, const char *string,
>  	unsigned int linelen, off = 0;
>  	const char *pos;
>  
> -	if (!xen_pv_domain())
> -		return;
> -
>  	dom0_write_console(0, string, len);
>  
> -	if (xen_initial_domain())
> +	if (!xen_pv_domain())
>  		return;
>  
>  	domU_write_console(0, "(early) ", 8);
> -- 
> 1.7.2.5

  reply	other threads:[~2012-08-01 15:03 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-26 15:33 [PATCH 00/24] Introduce Xen support on ARM Stefano Stabellini
2012-07-26 15:33 ` [PATCH 01/24] arm: initial Xen support Stefano Stabellini
2012-07-26 16:30   ` [Xen-devel] " Konrad Rzeszutek Wilk
2012-07-27 11:56     ` Stefano Stabellini
2012-08-01 10:42       ` Konrad Rzeszutek Wilk
2012-08-06 10:55         ` Stefano Stabellini
2012-08-01 18:27   ` Rob Herring
2012-08-02  7:35     ` Ian Campbell
2012-08-02 14:13       ` [Xen-devel] " Konrad Rzeszutek Wilk
2012-08-06 10:46         ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 02/24] xen/arm: hypercalls Stefano Stabellini
2012-07-26 16:33   ` [Xen-devel] " Konrad Rzeszutek Wilk
2012-07-27  9:17     ` Ian Campbell
2012-07-27 13:02       ` Stefano Stabellini
2012-07-27 13:18         ` Ian Campbell
2012-07-27 13:41           ` Stefano Stabellini
2012-07-27 14:21         ` Russell King - ARM Linux
2012-07-27 14:36           ` Stefano Stabellini
2012-07-27 14:39           ` Ian Campbell
2012-07-27 14:59             ` Russell King - ARM Linux
2012-07-26 16:56   ` David Vrabel
2012-07-26 17:19     ` Stefano Stabellini
2012-07-27  9:00     ` Ian Campbell
2012-07-26 19:19   ` Christopher Covington
2012-07-27  9:19     ` Ian Campbell
2012-07-27 12:56       ` Christopher Covington
2012-07-27 13:57         ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 03/24] xen/arm: page.h definitions Stefano Stabellini
2012-07-26 16:36   ` [Xen-devel] " Konrad Rzeszutek Wilk
2012-07-27 13:47     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 04/24] xen/arm: sync_bitops Stefano Stabellini
2012-07-26 16:37   ` [Xen-devel] " Konrad Rzeszutek Wilk
2012-07-27  9:28     ` Ian Campbell
2012-08-01 14:35       ` Konrad Rzeszutek Wilk
2012-08-01 16:07         ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 05/24] xen/arm: empty implementation of grant_table arch specific functions Stefano Stabellini
2012-08-01 14:16   ` Konrad Rzeszutek Wilk
2012-08-01 15:46     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 06/24] xen: missing includes Stefano Stabellini
2012-07-27  6:57   ` [Xen-devel] " Jan Beulich
2012-07-27 16:47     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 07/24] xen/arm: Xen detection and shared_info page mapping Stefano Stabellini
2012-07-27  9:36   ` Ian Campbell
2012-07-27 14:48     ` Stefano Stabellini
2012-07-27 14:51       ` Ian Campbell
2012-08-01 14:19   ` Konrad Rzeszutek Wilk
2012-08-01 15:45     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 08/24] xen/arm: Introduce xen_pfn_t for pfn and mfn types Stefano Stabellini
2012-08-01 14:22   ` Konrad Rzeszutek Wilk
2012-08-01 15:50     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 09/24] xen/arm: compile and run xenbus Stefano Stabellini
2012-08-01 14:28   ` Konrad Rzeszutek Wilk
2012-08-06 11:17     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 10/24] xen: do not compile manage, balloon, pci, acpi and cpu_hotplug on ARM Stefano Stabellini
2012-07-27  7:01   ` [Xen-devel] " Jan Beulich
2012-07-27 16:51     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 11/24] xen/arm: introduce CONFIG_XEN " Stefano Stabellini
2012-08-01 14:34   ` [Xen-devel] " Konrad Rzeszutek Wilk
2012-07-26 15:33 ` [PATCH 12/24] xen/arm: Introduce xen_guest_init Stefano Stabellini
2012-07-27  9:42   ` Ian Campbell
2012-07-27 15:54     ` Stefano Stabellini
2012-07-27 16:11       ` Ian Campbell
2012-08-01 14:38   ` Konrad Rzeszutek Wilk
2012-07-26 15:33 ` [PATCH 13/24] xen/arm: get privilege status Stefano Stabellini
2012-07-27  9:44   ` Ian Campbell
2012-07-27 14:25     ` Stefano Stabellini
2012-07-27 14:33       ` Ian Campbell
2012-08-01 14:39         ` Konrad Rzeszutek Wilk
2012-08-01 16:21           ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 14/24] xen/arm: initialize grant_table on ARM Stefano Stabellini
2012-08-01 14:40   ` Konrad Rzeszutek Wilk
2012-08-01 17:08     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 15/24] xen/arm: receive Xen events " Stefano Stabellini
2012-08-01 14:44   ` Konrad Rzeszutek Wilk
2012-08-06 10:31     ` Stefano Stabellini
2012-07-26 15:33 ` [PATCH 16/24] xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree Stefano Stabellini
2012-07-26 15:33 ` [PATCH 17/24] xen: allow privcmd for HVM guests Stefano Stabellini
2012-07-27  7:04   ` [Xen-devel] " Jan Beulich
2012-07-27 14:10     ` Stefano Stabellini
2012-08-01 14:47       ` Konrad Rzeszutek Wilk
2012-07-26 15:34 ` [PATCH 18/24] xen/arm: compile blkfront and blkback Stefano Stabellini
2012-07-27  9:48   ` Ian Campbell
2012-07-27 16:25     ` Stefano Stabellini
2012-08-01 14:48   ` Konrad Rzeszutek Wilk
2012-08-01 16:19     ` Stefano Stabellini
2012-07-26 15:34 ` [PATCH 19/24] xen/arm: compile netback Stefano Stabellini
2012-07-26 15:34 ` [PATCH 20/24] xen: update xen_add_to_physmap interface Stefano Stabellini
2012-08-01 14:52   ` Konrad Rzeszutek Wilk
2012-08-01 16:18     ` Stefano Stabellini
2012-08-01 18:19     ` Mukesh Rathor
2012-07-26 15:34 ` [PATCH 21/24] arm/v2m: initialize arch_timers even if v2m_timer is not present Stefano Stabellini
2012-08-01 14:52   ` Konrad Rzeszutek Wilk
2012-08-01 16:06     ` Stefano Stabellini
2012-07-26 15:34 ` [PATCH 22/24] ARM: enable earlyprintk=xen Stefano Stabellini
2012-07-26 15:34 ` [PATCH 23/24] hvc_xen: allow dom0_write_console for HVM guests Stefano Stabellini
2012-08-01 14:54   ` Konrad Rzeszutek Wilk [this message]
2012-08-01 16:04     ` Stefano Stabellini
2012-07-26 15:34 ` [PATCH 24/24] [HACK] xen/arm: implement xen_remap_domain_mfn_range Stefano Stabellini
2012-08-01 14:56   ` Konrad Rzeszutek Wilk

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