From: David Gibson <david@gibson.dropbear.id.au>
To: Greg Kurz <groug@kaod.org>
Cc: "Daniel Henrique Barboza" <danielhb@linux.ibm.com>,
qemu-ppc@nongnu.org, "Cédric Le Goater" <clg@kaod.org>,
qemu-devel@nongnu.org
Subject: Re: [PATCH for-5.2 2/5] spapr/xive: Simplify kvmppc_xive_disconnect()
Date: Thu, 6 Aug 2020 15:05:54 +1000 [thread overview]
Message-ID: <20200806050554.GB100968@yekko.fritz.box> (raw)
In-Reply-To: <159664892990.638781.13517846040386267779.stgit@bahia.lan>
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On Wed, Aug 05, 2020 at 07:35:29PM +0200, Greg Kurz wrote:
> Since this function begins with:
>
> /* The KVM XIVE device is not in use */
> if (!xive || xive->fd == -1) {
> return;
> }
>
> we obviously don't need to check xive->fd again.
>
> Signed-off-by: Greg Kurz <groug@kaod.org>
Applied to ppc-for-5.2.
> ---
> hw/intc/spapr_xive_kvm.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/hw/intc/spapr_xive_kvm.c b/hw/intc/spapr_xive_kvm.c
> index d55ea4670e0e..893a1ee77e70 100644
> --- a/hw/intc/spapr_xive_kvm.c
> +++ b/hw/intc/spapr_xive_kvm.c
> @@ -873,10 +873,8 @@ void kvmppc_xive_disconnect(SpaprInterruptController *intc)
> * and removed from the list of devices of the VM. The VCPU
> * presenters are also detached from the device.
> */
> - if (xive->fd != -1) {
> - close(xive->fd);
> - xive->fd = -1;
> - }
> + close(xive->fd);
> + xive->fd = -1;
>
> kvm_kernel_irqchip = false;
> kvm_msi_via_irqfd_allowed = false;
>
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2020-08-06 12:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-05 17:35 [PATCH for-5.2 0/5] spapr: Cleanups for XIVE and PHB Greg Kurz
2020-08-05 17:35 ` [PATCH for-5.2 1/5] spapr/xive: Fix xive->fd if kvm_create_device() fails Greg Kurz
2020-08-06 5:05 ` David Gibson
2020-08-05 17:35 ` [PATCH for-5.2 2/5] spapr/xive: Simplify kvmppc_xive_disconnect() Greg Kurz
2020-08-06 5:05 ` David Gibson [this message]
2020-08-05 17:35 ` [PATCH for-5.2 3/5] ppc/xive: Introduce dedicated kvm_irqchip_in_kernel() wrappers Greg Kurz
2020-08-06 5:08 ` David Gibson
2020-08-06 9:23 ` Greg Kurz
2020-08-05 17:35 ` [PATCH for-5.2 4/5] spapr/xive: Convert KVM device fd checks to assert() Greg Kurz
2020-08-06 5:09 ` David Gibson
2020-08-05 17:35 ` [PATCH for-5.2 5/5] spapr: Simplify error handling in spapr_phb_realize() Greg Kurz
2020-08-06 5:10 ` David Gibson
2020-08-05 17:43 ` [PATCH for-5.2 0/5] spapr: Cleanups for XIVE and PHB no-reply
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