linux-kernel - Re: linux-next: manual merge of the kvm tree with the s390 tree

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Date:	Thu, 3 Jan 2013 08:31:55 +0100
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Avi Kivity <avi@...ranet.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Gleb Natapov <gleb@...hat.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: linux-next: manual merge of the kvm tree with the s390 tree

Hi Stephen,

On Thu, 3 Jan 2013 12:06:50 +1100
Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Today's linux-next merge of the kvm tree got conflicts in
> arch/s390/include/asm/irq.h and arch/s390/kernel/irq.c between commit
> bfb048f594d5 ("s390/irq: remove split irq fields from /proc/stat") from
> the s390 tree and commit 7e64e0597fd6 ("KVM: s390: Add a channel I/O
> based virtio transport driver") from the kvm tree.
> 
> I fixed it up (I think - see below) including the following merge fix
> patch and can carry the fix as necessary (more action may be required).
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Thu, 3 Jan 2013 12:04:39 +1100
> Subject: [PATCH] KVM: s390: fix for IOINT_VIR name change
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  drivers/s390/kvm/virtio_ccw.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c
> index 1a5aff3..f94a0b1 100644
> --- a/drivers/s390/kvm/virtio_ccw.c
> +++ b/drivers/s390/kvm/virtio_ccw.c
> @@ -745,7 +745,7 @@ static struct ccw_driver virtio_ccw_driver = {
>  	.set_offline = virtio_ccw_offline,
>  	.set_online = virtio_ccw_online,
>  	.notify = virtio_ccw_cio_notify,
> -	.int_class = IOINT_VIR,
> +	.int_class = IRQIO_VIR,
>  };
>  
>  static int __init pure_hex(char **cp, unsigned int *val, int min_digit,

I surprises me a bit that there is only one hunk in the cleanup patch.
I expected three, the above for virtio_ccw.c, one for irq.c and another
for irq.h. I checked the resulting tree which is correct! The merge diff
has a '++' line for irq.c/irq.h:

irq.h:
 +      IRQIO_PCI,
 +      IRQIO_MSI,
++      IRQIO_VIR,
        NMI_NMI,
 -      NR_IRQS,
 +      CPU_RST,

irq.c:
 +      [IRQIO_PCI]  = {.name = "PCI", .desc = "[I/O] PCI Interrupt" },
 +      [IRQIO_MSI]  = {.name = "MSI", .desc = "[I/O] MSI Interrupt" },
++      [IRQIO_VIR]  = {.name = "VIR", .desc = "[I/O] Virtual I/O Devices"},
        [NMI_NMI]    = {.name = "NMI", .desc = "[NMI] Machine Check"},
 +      [CPU_RST]    = {.name = "RST", .desc = "[CPU] CPU Restart"},

Magic ?

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

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