From: Paolo Bonzini <pbonzini@redhat.com>
To: Naor Shlomo <NaorS@Radware.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: Disabling mergeable rx buffers for the guest
Date: Tue, 16 Jul 2013 08:11:38 +0200 [thread overview]
Message-ID: <51E4E41A.80905@redhat.com> (raw)
In-Reply-To: <58539BF287296F4CB5EC3FF6E0639E07FB101C@ILMB2.corp.radware.com>
Il 16/07/2013 07:09, Naor Shlomo ha scritto:
> Hi,
>
> I am trying to disable the mergeable rx buffers for a Linux guest but I am currently unable to do so.
>
> I tried looking in the code of libvirt in order to find the "-global virtio-net-pci.mrg_rxbuf=off" but the only globals configured are:
> PIIX4_PM.disable_s*, isa-fdc.drive, isa-fdc.bootindex, ram_size and vram_size
>
> Is there a way to configure the XML configuration for the domain and disable the mergeable buffers?
> If not, is there a way to somehow do it from the guest? (I don't want to mess with the host)
You can use something like this:
<qemu:commandline>
<qemu:arg value='-global'/>
<qemu:env name='mrg_rxbuf' value='off'/>
</qemu:commandline>
Paolo
next prev parent reply other threads:[~2013-07-16 6:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-16 5:09 Disabling mergeable rx buffers for the guest Naor Shlomo
2013-07-16 6:11 ` Paolo Bonzini [this message]
2013-07-16 6:40 ` Naor Shlomo
2013-07-16 6:41 ` Paolo Bonzini
2013-07-16 8:06 ` Naor Shlomo
2013-07-16 9:35 ` Paolo Bonzini
2013-07-16 10:40 ` Naor Shlomo
2013-07-16 10:42 ` Paolo Bonzini
2013-07-16 11:05 ` Naor Shlomo
2013-07-16 12:21 ` Naor Shlomo
2013-07-16 10:42 ` Daniel P. Berrange
2013-07-16 11:06 ` Naor Shlomo
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