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From: "Jan Beulich" <JBeulich@suse.com>
To: Haozhong Zhang <haozhong.zhang@intel.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, xen-devel@lists.xen.org
Subject: Re: [PATCH v2 07/12] x86/vmce: emulate MSR_IA32_MCG_EXT_CTL
Date: Mon, 20 Mar 2017 10:17:35 -0600	[thread overview]
Message-ID: <58D00EAF020000780014542C@prv-mh.provo.novell.com> (raw)
In-Reply-To: <20170317064614.23539-8-haozhong.zhang@intel.com>

>>> On 17.03.17 at 07:46, <haozhong.zhang@intel.com> wrote:
> --- a/xen/include/public/arch-x86/hvm/save.h
> +++ b/xen/include/public/arch-x86/hvm/save.h
> @@ -599,6 +599,8 @@ struct hvm_vmce_vcpu {
>      uint64_t caps;
>      uint64_t mci_ctl2_bank0;
>      uint64_t mci_ctl2_bank1;
> +    uint8_t  lmce_enabled;
> +    uint8_t  pad[7];

Even if only one bit is used there right now, I think you should migrate
the full MSR.

> --- a/xen/include/public/domctl.h
> +++ b/xen/include/public/domctl.h
> @@ -37,7 +37,7 @@
>  #include "hvm/save.h"
>  #include "memory.h"
>  
> -#define XEN_DOMCTL_INTERFACE_VERSION 0x0000000c
> +#define XEN_DOMCTL_INTERFACE_VERSION 0x0000000d

This seemingly unrelated change needs to be explained in the
description.

Jan


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  reply	other threads:[~2017-03-20 16:17 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-17  6:46 [PATCH v2 00/12] Add LMCE support Haozhong Zhang
2017-03-17  6:46 ` [PATCH v2 01/12] xen/mce: switch bool_t/1/0 to bool/true/false Haozhong Zhang
2017-03-20 13:04   ` Jan Beulich
2017-03-17  6:46 ` [PATCH v2 02/12] x86/mce_intel: refine messages of MCA capabilities Haozhong Zhang
2017-03-20 13:10   ` Jan Beulich
2017-03-17  6:46 ` [PATCH v2 03/12] xen/mce: add blank lines between non-fall-through switch case blocks Haozhong Zhang
2017-03-20 13:12   ` Jan Beulich
2017-03-17  6:46 ` [PATCH v2 04/12] x86/mce: handle LMCE locally Haozhong Zhang
2017-03-20 14:24   ` Jan Beulich
2017-03-21  7:04     ` Haozhong Zhang
2017-03-17  6:46 ` [PATCH v2 05/12] x86/mce_intel: detect and enable LMCE on Intel host Haozhong Zhang
2017-03-20 14:30   ` Jan Beulich
2017-03-21  7:06     ` Haozhong Zhang
2017-03-21  8:05       ` Jan Beulich
2017-03-17  6:46 ` [PATCH v2 06/12] x86/vmx: expose LMCE feature via guest MSR_IA32_FEATURE_CONTROL Haozhong Zhang
2017-03-20 16:10   ` Jan Beulich
2017-03-17  6:46 ` [PATCH v2 07/12] x86/vmce: emulate MSR_IA32_MCG_EXT_CTL Haozhong Zhang
2017-03-20 16:17   ` Jan Beulich [this message]
2017-03-17  6:46 ` [PATCH v2 08/12] x86/vmce: enable injecting LMCE to guest on Intel host Haozhong Zhang
2017-03-20 16:25   ` Jan Beulich
2017-03-22  9:19     ` Haozhong Zhang
2017-03-17  6:46 ` [PATCH v2 09/12] x86/vmce, tools/libxl: expose LMCE capability in guest MSR_IA32_MCG_CAP Haozhong Zhang
2017-03-20 16:33   ` Jan Beulich
2017-03-21  7:14     ` Haozhong Zhang
2017-03-20 18:27   ` Ian Jackson
2017-03-21  7:29     ` Haozhong Zhang
2017-03-21  7:35       ` Haozhong Zhang
2017-03-21  9:30     ` Jan Beulich
2017-03-27 15:34   ` Wei Liu
2017-03-17  6:46 ` [PATCH v2 10/12] xen/mce: add support of vLMCE injection to XEN_MC_inject_v2 Haozhong Zhang
2017-03-20 16:37   ` Jan Beulich
2017-03-17  6:46 ` [PATCH v2 11/12] tools/libxc: add support of injecting MC# to specified CPUs Haozhong Zhang
2017-03-28 14:07   ` Wei Liu
2017-03-17  6:46 ` [PATCH v2 12/12] tools/xen-mceinj: add support of injecting LMCE Haozhong Zhang
2017-03-28 14:08   ` Wei Liu

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