From: Eduardo Habkost <ehabkost@redhat.com>
To: Babu Moger <babu.moger@amd.com>
Cc: mst@redhat.com, marcel.apfelbaum@gmail.com, pbonzini@redhat.com,
rth@twiddle.net, mtosatti@redhat.com, qemu-devel@nongnu.org,
kvm@vger.kernel.org, kash@tripleback.net, geoff@hostfission.com
Subject: Re: [Qemu-devel] [PATCH v14 3/6] i386: Disable TOPOEXT feature on pc-2.12
Date: Thu, 14 Jun 2018 15:40:51 -0300 [thread overview]
Message-ID: <20180614184051.GW7451@localhost.localdomain> (raw)
In-Reply-To: <1528939107-17193-4-git-send-email-babu.moger@amd.com>
On Wed, Jun 13, 2018 at 09:18:24PM -0400, Babu Moger wrote:
> Disable TOPOEXT feature for older machines.
>
> Signed-off-by: Babu Moger <babu.moger@amd.com>
> ---
> include/hw/i386/pc.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
> index 04d1f8c..ecccf6b 100644
> --- a/include/hw/i386/pc.h
> +++ b/include/hw/i386/pc.h
> @@ -303,6 +303,10 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
> .driver = TYPE_X86_CPU,\
> .property = "legacy-cache",\
> .value = "on",\
> + },{\
> + .driver = TYPE_X86_CPU,\
> + .property = "topoext",\
> + .value = "off",\
> },
This is OK, if combined with the first hunks of patch 2/6.
--
Eduardo
next prev parent reply other threads:[~2018-06-14 18:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-14 1:18 [Qemu-devel] [PATCH v14 0/6] i386: Enable TOPOEXT to support hyperthreading on AMD CPU Babu Moger
2018-06-14 1:18 ` [Qemu-devel] [PATCH v14 1/6] i386: Set TOPOEXT unconditionally for comapatibility Babu Moger
2018-06-14 2:21 ` Eduardo Habkost
2018-06-14 13:24 ` Moger, Babu
2018-06-14 1:18 ` [Qemu-devel] [PATCH v14 2/6] i386: Enable TOPOEXT feature on AMD EPYC CPU Babu Moger
2018-06-14 18:40 ` Eduardo Habkost
2018-06-14 20:41 ` Moger, Babu
2018-06-14 23:16 ` Moger, Babu
2018-06-14 1:18 ` [Qemu-devel] [PATCH v14 3/6] i386: Disable TOPOEXT feature on pc-2.12 Babu Moger
2018-06-14 18:40 ` Eduardo Habkost [this message]
2018-06-14 20:41 ` Moger, Babu
2018-06-14 1:18 ` [Qemu-devel] [PATCH v14 4/6] cpus: Add new function topology_supports_topoext Babu Moger
2018-06-14 18:42 ` Eduardo Habkost
2018-06-14 1:18 ` [Qemu-devel] [PATCH v14 5/6] i386: Disable TOPOEXT feature if it cannot be supported Babu Moger
2018-06-14 19:13 ` Eduardo Habkost
2018-06-14 22:18 ` Moger, Babu
2018-06-14 23:09 ` Moger, Babu
2018-06-15 14:09 ` Moger, Babu
2018-06-14 1:18 ` [Qemu-devel] [PATCH v14 6/6] i386: Remove generic SMT thread check Babu Moger
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