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From: David Gibson <david@gibson.dropbear.id.au>
To: Thomas Huth <thuth@redhat.com>
Cc: lvivier@redhat.com, Alexey Kardashevskiy <aik@ozlabs.ru>,
	Jason Wang <jasowang@redhat.com>,
	qemu-devel@nongnu.org, Alexander Graf <agraf@suse.de>,
	qemu-ppc@nongnu.org, Anton Blanchard <anton@samba.org>
Subject: Re: [Qemu-devel] [PATCH 3/3] hw/net/spapr_llan: Enable the RX buffer pools by default for new machines
Date: Thu, 17 Mar 2016 17:27:15 +1100	[thread overview]
Message-ID: <20160317062715.GQ9032@voom> (raw)
In-Reply-To: <1458130611-17304-4-git-send-email-thuth@redhat.com>

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On Wed, Mar 16, 2016 at 01:16:51PM +0100, Thomas Huth wrote:
> RX buffer pools are now enabled by default for new machine types.
> For older machine types, they are still disabled to avoid breaking
> migration.
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

> ---
>  hw/net/spapr_llan.c | 2 +-
>  hw/ppc/spapr.c      | 7 ++++++-
>  2 files changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/net/spapr_llan.c b/hw/net/spapr_llan.c
> index 74c8b1e..4e28b89 100644
> --- a/hw/net/spapr_llan.c
> +++ b/hw/net/spapr_llan.c
> @@ -709,7 +709,7 @@ static Property spapr_vlan_properties[] = {
>      DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev),
>      DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf),
>      DEFINE_PROP_BIT("use-rx-buffer-pools", VIOsPAPRVLANDevice,
> -                    compat_flags, SPAPRVLAN_FLAG_RX_BUF_POOLS_BIT, false),
> +                    compat_flags, SPAPRVLAN_FLAG_RX_BUF_POOLS_BIT, true),
>      DEFINE_PROP_END_OF_LIST(),
>  };
>  
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 79a70a9..50d5a62 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -2362,7 +2362,12 @@ DEFINE_SPAPR_MACHINE(2_6, "2.6", true);
>   * pseries-2.5
>   */
>  #define SPAPR_COMPAT_2_5 \
> -        HW_COMPAT_2_5
> +    HW_COMPAT_2_5 \
> +    { \
> +        .driver   = "spapr-vlan", \
> +        .property = "use-rx-buffer-pools", \
> +        .value    = "off", \
> +    },
>  
>  static void spapr_machine_2_5_instance_options(MachineState *machine)
>  {

-- 
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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  reply	other threads:[~2016-03-17  9:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-16 12:16 [Qemu-devel] [PATCH 0/3] hw/net/spapr_llan: Fix bad RX performance of the spapr-vlan device Thomas Huth
2016-03-16 12:16 ` [Qemu-devel] [PATCH 1/3] hw/net/spapr_llan: Extract rx buffer code into separate functions Thomas Huth
2016-03-17  6:23   ` David Gibson
2016-03-18 11:53   ` Laurent Vivier
2016-03-16 12:16 ` [Qemu-devel] [PATCH 2/3] hw/net/spapr_llan: Fix receive buffer handling for better performance Thomas Huth
2016-03-17  6:23   ` David Gibson
2016-03-17  7:30     ` Thomas Huth
2016-03-17 10:00       ` David Gibson
2016-03-17 15:15       ` Thomas Huth
2016-03-17 22:33         ` David Gibson
2016-03-18  7:56           ` Thomas Huth
2016-03-20  4:21             ` David Gibson
2016-03-16 12:16 ` [Qemu-devel] [PATCH 3/3] hw/net/spapr_llan: Enable the RX buffer pools by default for new machines Thomas Huth
2016-03-17  6:27   ` David Gibson [this message]
2016-03-18 13:15   ` [Qemu-devel] [Qemu-ppc] " Laurent Vivier

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