linux-kernel - Re: [Xen-devel] [PATCH] xen/x86: actually allocate legacy interrupts on PV guests

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Message-ID: <20160421110220.GA21394@gmail.com>
Date:	Thu, 21 Apr 2016 13:02:20 +0200
From:	Olaf Hering <olaf@...fle.de>
To:	Stefano Stabellini <sstabellini@...nel.org>
Cc:	boris.ostrovsky@...cle.com, jgross@...e.com,
	xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
	david.vrabel@...rix.com
Subject: Re: [Xen-devel] [PATCH] xen/x86: actually allocate legacy interrupts
 on PV guests

On Wed, Apr 20, Stefano Stabellini wrote:

> b4ff8389ed14 is incomplete: relies on nr_legacy_irqs() to get the number
> of legacy interrupts when actually nr_legacy_irqs() returns 0 after
> probe_8259A(). Use NR_IRQS_LEGACY instead.
> 
> Signed-off-by: Stefano Stabellini <sstabellini@...nel.org>

Tested-by: Olaf Hering <olaf@...fle.de>

Fixes my M9400 laptop (and should go to stable as well):
http://lists.xenproject.org/archives/html/xen-devel/2016-04/msg02624.html

Olaf