From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Ian Campbell <ian.campbell@citrix.com>
Cc: xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
Jeremy Fitzhardinge <jeremy@goop.org>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: Re: [PATCH 14/14] xen: events: propagate irq allocation failure instead of panicking
Date: Thu, 10 Mar 2011 00:38:52 -0500 [thread overview]
Message-ID: <20110310053852.GE10574@dumpdata.com> (raw)
In-Reply-To: <1299692486-28634-14-git-send-email-ian.campbell@citrix.com>
On Wed, Mar 09, 2011 at 05:41:26PM +0000, Ian Campbell wrote:
> Running out of IRQs need not be fatal to the machine as a whole.
Do the backends/frontends deal with this appropiately?
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> Cc: Jeremy Fitzhardinge <jeremy@goop.org>
> ---
> drivers/xen/events.c | 22 ++++++++++++++--------
> 1 files changed, 14 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/xen/events.c b/drivers/xen/events.c
> index 51c6a5b..c6f2a2e 100644
> --- a/drivers/xen/events.c
> +++ b/drivers/xen/events.c
> @@ -406,7 +406,7 @@ static void xen_irq_init(unsigned irq)
> list_add_tail(&info->list, &xen_irq_list_head);
> }
>
> -static int xen_allocate_irq_dynamic(void)
> +static int __must_check xen_allocate_irq_dynamic(void)
What is the '__must_check' for?
next prev parent reply other threads:[~2011-03-10 5:39 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-09 17:40 [GIT PATCH 0/14] xen: events: cleanups + ween off nr_irqs Ian Campbell
2011-03-09 17:41 ` [PATCH 01/14] xen: events: separate two unrelated halves of if condition Ian Campbell
2011-03-09 17:41 ` [PATCH 02/14] xen: events: fix xen_map_pirq_gsi error return Ian Campbell
2011-03-09 17:41 ` [PATCH 03/14] xen: events: simplify comment Ian Campbell
2011-03-09 17:41 ` [PATCH 04/14] xen: events: remove unused public functions Ian Campbell
2011-03-09 17:41 ` [PATCH 05/14] xen: events: rename restore_cpu_pirqs -> restore_pirqs Ian Campbell
2011-03-09 17:41 ` [PATCH 06/14] xen: events: refactor GSI pirq bindings functions Ian Campbell
2011-03-10 4:00 ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-03-10 8:37 ` Ian Campbell
2011-03-09 17:41 ` [PATCH 07/14] xen: events: use per-cpu variable for cpu_evtchn_mask Ian Campbell
2011-03-09 17:41 ` [PATCH 08/14] xen: events: turn irq_info constructors into initialiser functions Ian Campbell
2011-03-09 17:41 ` [PATCH 09/14] xen: events: push setup of irq<->{evtchn,ipi,virq,pirq} maps into irq_info init functions Ian Campbell
2011-03-10 4:56 ` Konrad Rzeszutek Wilk
2011-03-10 8:42 ` Ian Campbell
2011-03-09 17:41 ` [PATCH 10/14] xen: events: maintain a list of Xen interrupts Ian Campbell
2011-03-10 5:22 ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-03-10 8:43 ` Ian Campbell
2011-03-09 17:41 ` [PATCH 11/14] xen: events: dynamically allocate irq info structures Ian Campbell
2011-03-10 5:27 ` Konrad Rzeszutek Wilk
2011-03-10 8:51 ` Ian Campbell
2011-03-09 17:41 ` [PATCH 12/14] xen: events: remove use of nr_irqs as upper bound on number of pirqs Ian Campbell
2011-03-10 5:33 ` Konrad Rzeszutek Wilk
2011-03-10 8:57 ` Ian Campbell
2011-03-09 17:41 ` [PATCH 13/14] xen: events: do not workaround too-small nr_irqs Ian Campbell
2011-03-10 5:40 ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-03-10 9:02 ` Ian Campbell
2011-03-09 17:41 ` [PATCH 14/14] xen: events: propagate irq allocation failure instead of panicking Ian Campbell
2011-03-10 5:38 ` Konrad Rzeszutek Wilk [this message]
2011-03-10 8:58 ` Ian Campbell
-- strict thread matches above, loose matches on Subject: below --
2011-03-10 16:07 [GIT PATCH v2 0/14] xen: events: cleanups + ween off nr_irqs Ian Campbell
2011-03-10 16:08 ` [PATCH 14/14] xen: events: propagate irq allocation failure instead of panicking Ian Campbell
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