linux-kernel - RE: [PATCH 1/1] x86: irq: Handle VMBUS driver being a module

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Message-ID: <9964b317d8a1487d9dcd3fb53d7e8d1c@BY2PR03MB299.namprd03.prod.outlook.com>
Date:	Wed, 2 Apr 2014 06:25:39 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	KY Srinivasan <kys@...rosoft.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"hpa@...or.com" <hpa@...or.com>
Subject: RE: [PATCH 1/1] x86: irq: Handle VMBUS driver being a module

Thomas,

With the Hyper-V irq cleanup that you checked in, currently Hyper-V interrupts are not being displayed when
Hyper-V is configured as a module. This patch fixes the issue.

Regards,

K. Y

> -----Original Message-----
> From: K. Y. Srinivasan [mailto:kys@...rosoft.com]
> Sent: Tuesday, April 1, 2014 11:52 PM
> To: x86@...nel.org; linux-kernel@...r.kernel.org; olaf@...fle.de;
> apw@...onical.com; jasowang@...hat.com; tglx@...utronix.de;
> hpa@...or.com
> Cc: KY Srinivasan
> Subject: [PATCH 1/1] x86: irq: Handle VMBUS driver being a module
> 
> Hyper-V VMBUS driver can be a module; handle this case correctly. Please
> apply.
> 
> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> ---
>  arch/x86/kernel/irq.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
> index 42805fa..283a76a 100644
> --- a/arch/x86/kernel/irq.c
> +++ b/arch/x86/kernel/irq.c
> @@ -125,7 +125,7 @@ int arch_show_interrupts(struct seq_file *p, int prec)
>  		seq_printf(p, "%10u ", per_cpu(mce_poll_count, j));
>  	seq_printf(p, "  Machine check polls\n");
>  #endif
> -#if defined(CONFIG_HYPERV) || defined(CONFIG_XEN)
> +#if IS_ENABLED(CONFIG_HYPERV) || defined(CONFIG_XEN)
>  	seq_printf(p, "%*s: ", prec, "THR");
>  	for_each_online_cpu(j)
>  		seq_printf(p, "%10u ", irq_stats(j)->irq_hv_callback_count);
> --
> 1.7.4.1

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