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Re: [Qemu-devel] [PATCH v14 3/6] i386: Disable TOPOEXT feature on pc-2.1
From: |
Eduardo Habkost |
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 |
User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Wed, Jun 13, 2018 at 09:18:24PM -0400, Babu Moger wrote:
> Disable TOPOEXT feature for older machines.
>
> Signed-off-by: Babu Moger <address@hidden>
> ---
> 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
- [Qemu-devel] [PATCH v14 0/6] i386: Enable TOPOEXT to support hyperthreading on AMD CPU, Babu Moger, 2018/06/13
- [Qemu-devel] [PATCH v14 2/6] i386: Enable TOPOEXT feature on AMD EPYC CPU, Babu Moger, 2018/06/13
- [Qemu-devel] [PATCH v14 4/6] cpus: Add new function topology_supports_topoext, Babu Moger, 2018/06/13
- [Qemu-devel] [PATCH v14 5/6] i386: Disable TOPOEXT feature if it cannot be supported, Babu Moger, 2018/06/13
- [Qemu-devel] [PATCH v14 3/6] i386: Disable TOPOEXT feature on pc-2.12, Babu Moger, 2018/06/13
- Re: [Qemu-devel] [PATCH v14 3/6] i386: Disable TOPOEXT feature on pc-2.12,
Eduardo Habkost <=
- [Qemu-devel] [PATCH v14 1/6] i386: Set TOPOEXT unconditionally for comapatibility, Babu Moger, 2018/06/13
- [Qemu-devel] [PATCH v14 6/6] i386: Remove generic SMT thread check, Babu Moger, 2018/06/13