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Ping: [PATCH] libxg: don't use max policy in xc_cpuid_xend_policy()



On 23.11.2020 14:58, Jan Beulich wrote:
> On 06.11.2020 16:58, Wei Liu wrote:
>> On Thu, Nov 05, 2020 at 04:56:53PM +0100, Jan Beulich wrote:
>>> Using max undermines the separation between default and max. For example,
>>> turning off AVX512F on an MPX-capable system silently turns on MPX,
>>> despite this not being part of the default policy anymore. Since the
>>> information is used only for determining what to convert 'x' to (but not
>>> to e.g. validate '1' settings), the effect of this change is identical
>>> for guests with (suitable) "cpuid=" settings to that of the changes
>>> separating default from max and then converting (e.g.) MPX from being
>>> part of default to only being part of max for guests without (affected)
>>> "cpuid=" settings.
>>>
>>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>>
>> I will defer this to Andrew.
> 
> Andrew?

Yet another one (here having been pending for nearly 5 months), and hence
same thing (despite again not feeling well, albeit iirc at the time we
discussed this on irc and you looked to be basically agreeing): I intend
to commit this once the tree is fully open again, unless I hear otherwise.

Jan



 


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