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Re: [PATCH v3 2/2] x86/idle: prevent entering C6 with in service interrupts on Intel

On 18.05.2020 17:45, Roger Pau Monné wrote:
> On Mon, May 18, 2020 at 05:05:12PM +0200, Jan Beulich wrote:
>> [CAUTION - EXTERNAL EMAIL] DO NOT reply, click links, or open attachments 
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>> On 15.05.2020 15:58, Roger Pau Monne wrote:
>>> --- a/docs/misc/xen-command-line.pandoc
>>> +++ b/docs/misc/xen-command-line.pandoc
>>> @@ -652,6 +652,15 @@ Specify the size of the console debug trace buffer. By 
>>> specifying `cpu:`
>>>  additionally a trace buffer of the specified size is allocated per cpu.
>>>  The debug trace feature is only enabled in debugging builds of Xen.
>>> +### disable-c6-errata
>> Hmm, yes please - a disable for errata! ;-)
>> How about "avoid-c6-errata", and then perhaps as a sub-option to
>> "cpuidle="? (If we really want a control for this in the first
>> place.)
> Right, I see I'm very bad at naming. Not sure it's even worth it
> maybe?
> I can remove it completely from the patch if that is OK.

I'd be fine without. Andrew?




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