From: "Jan Beulich" <JBeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Sergey Dyasli <sergey.dyasli@citrix.com>,
Xen-devel <xen-devel@lists.xen.org>,
Wei Liu <wei.liu2@citrix.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>,
Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [PATCH 08/13] x86: Collect policies together into groups
Date: Thu, 05 Jul 2018 02:54:37 -0600 [thread overview]
Message-ID: <5B3DDCCD02000078001D15FC@prv1-mh.provo.novell.com> (raw)
In-Reply-To: <c05f8017-f371-c121-ca0a-b7fedcb5507e@citrix.com>
>>> On 04.07.18 at 19:15, <andrew.cooper3@citrix.com> wrote:
> On 04/07/18 10:22, Jan Beulich wrote:
>>>>> On 03.07.18 at 22:55, <andrew.cooper3@citrix.com> wrote:
>>> This is mainly prep work for the following patch, but this specific
>>> abstraction is also specifically useful for the future auditing logic.
>>>
>>> Not all of msr_vcpu_policy will be interesting from a domain building
>>> perspective, but some soon-to-appear fields will be (SGX Launch Hash
>>> specifically). The exact split of MSRs between domain and vcpu policies is
>>> internal to Xen and liable to change moving forwards, so treat the two
>>> structures consistently from the start to avoid problems in the future.
>> I hope the utility of this grouping will become evident in later
>> patches.
>
> Probably moreso in the followup series with the auditing/subset logic,
> but patch 13 does provide the first aspect.
Does it? It's a faint hint at best, as long as x86_policies_are_compatible()
is all empty.
Jan
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next prev parent reply other threads:[~2018-07-05 8:54 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-03 20:55 [PATCH 00/13] x86: CPUID and MSR policy marshalling support Andrew Cooper
2018-07-03 20:55 ` [PATCH 01/13] libx86: Introduce libx86/cpuid.h Andrew Cooper
2018-07-04 6:54 ` Wei Liu
2018-07-04 8:21 ` Jan Beulich
2018-07-04 12:03 ` Andrew Cooper
2018-07-04 13:57 ` Jan Beulich
2018-07-06 1:35 ` Doug Goldstein
2018-07-06 8:07 ` Jan Beulich
2018-07-03 20:55 ` [PATCH 02/13] libx86: generate cpuid-autogen.h in the libx86 include dir Andrew Cooper
2018-07-04 7:03 ` Wei Liu
2018-07-04 8:33 ` Jan Beulich
2018-07-03 20:55 ` [PATCH 03/13] libx86: Share struct cpuid_policy with userspace Andrew Cooper
2018-07-04 7:08 ` Wei Liu
2018-07-04 8:36 ` Jan Beulich
2018-07-03 20:55 ` [PATCH 04/13] libx86: introduce a libx86 shared library Andrew Cooper
2018-07-04 7:20 ` Wei Liu
2018-07-04 8:42 ` Jan Beulich
2018-07-04 15:48 ` Andrew Cooper
2018-07-03 20:55 ` [PATCH 05/13] libx86: Introduce libx86/msr.h and share msr_{domain, vcpu}_policy with userspace Andrew Cooper
2018-07-04 7:21 ` Wei Liu
2018-07-04 8:43 ` Jan Beulich
2018-07-03 20:55 ` [PATCH 06/13] libx86: Introduce a helper to serialise a cpuid_policy object Andrew Cooper
2018-07-04 8:42 ` Wei Liu
2018-07-04 8:51 ` Jan Beulich
2018-07-04 16:23 ` Andrew Cooper
2018-07-05 8:09 ` Wei Liu
2018-07-05 8:40 ` Jan Beulich
2018-07-05 13:39 ` Andrew Cooper
2018-07-05 14:05 ` Jan Beulich
2018-07-04 9:01 ` Jan Beulich
2018-07-04 16:46 ` Andrew Cooper
2018-07-05 8:11 ` Wei Liu
2018-07-05 10:21 ` Andrew Cooper
2018-07-05 8:46 ` Jan Beulich
2018-07-05 13:34 ` Andrew Cooper
2018-07-03 20:55 ` [PATCH 07/13] libx86: Introduce a helper to serialise msr_{domain, vcpu}_policy objects Andrew Cooper
2018-07-04 9:16 ` Jan Beulich
2018-07-04 16:56 ` Andrew Cooper
2018-07-05 8:49 ` Jan Beulich
2018-07-03 20:55 ` [PATCH 08/13] x86: Collect policies together into groups Andrew Cooper
2018-07-04 9:22 ` Jan Beulich
2018-07-04 17:15 ` Andrew Cooper
2018-07-05 8:54 ` Jan Beulich [this message]
2018-07-03 20:55 ` [PATCH 09/13] x86/sysctl: Implement XEN_SYSCTL_get_cpumsr_policy Andrew Cooper
2018-07-04 9:43 ` Jan Beulich
2018-07-04 17:57 ` Andrew Cooper
2018-07-05 9:08 ` Jan Beulich
2018-07-05 14:08 ` Andrew Cooper
2018-07-05 14:45 ` Jan Beulich
2018-07-03 20:55 ` [PATCH 10/13] x86/domctl: Implement XEN_DOMCTL_get_cpumsr_policy Andrew Cooper
2018-07-04 9:48 ` Jan Beulich
2018-07-05 14:23 ` Sergey Dyasli
2018-07-03 20:55 ` [PATCH 11/13] libx86: Introduce a helper to deserialise a cpuid_policy object Andrew Cooper
2018-07-04 9:49 ` Jan Beulich
2018-07-03 20:55 ` [PATCH 12/13] libx86: introduce a helper to deserialize MSR policies Andrew Cooper
2018-07-03 20:55 ` [PATCH 13/13] x86/domctl: Implement XEN_DOMCTL_set_cpumsr_policy Andrew Cooper
2018-07-04 10:16 ` Jan Beulich
2018-07-04 18:47 ` Andrew Cooper
2018-07-05 9:28 ` Jan Beulich
2018-07-05 17:55 ` Andrew Cooper
2018-07-06 7:51 ` Jan Beulich
2018-07-06 10:02 ` Andrew Cooper
2018-07-04 10:18 ` Wei Liu
2018-07-04 10:33 ` Andrew Cooper
2018-07-04 8:17 ` [PATCH 00/13] x86: CPUID and MSR policy marshalling support Jan Beulich
2018-07-04 10:40 ` Andrew Cooper
2018-07-04 10:44 ` Jan Beulich
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