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From: Dongli Zhang <dongli.zhang@oracle.com>
To: quintela@redhat.com
Cc: qemu-devel@nongnu.org, philmd@linaro.org, armbru@redhat.com,
	thuth@redhat.com, kkostiuk@redhat.com, berrange@redhat.com,
	dwmw@amazon.co.uk, pbonzini@redhat.com, joe.jin@oracle.com
Subject: Re: [PATCH v3 1/1] hmp: synchronize cpu state for lapic info
Date: Tue, 31 Oct 2023 15:24:20 -0700	[thread overview]
Message-ID: <f0adae79-7c6c-3e52-3bd1-f2e094d4a735@oracle.com> (raw)
In-Reply-To: <87edhc9inl.fsf@secure.mitica>

Hi Juan,

On 10/30/23 09:31, Juan Quintela wrote:
> Dongli Zhang <dongli.zhang@oracle.com> wrote:
>> While the default "info lapic" always synchronizes cpu state ...
>>
>> mon_get_cpu()
>> -> mon_get_cpu_sync(mon, true)
>>    -> cpu_synchronize_state(cpu)
>>       -> ioctl KVM_GET_LAPIC (taking KVM as example)
>>
>> ... the cpu state is not synchronized when the apic-id is available as
>> argument.
>>
>> The cpu state should be synchronized when apic-id is available. Otherwise
>> the "info lapic <apic-id>" always returns stale data.
>>
>> Reference:
>> https://urldefense.com/v3/__https://lore.kernel.org/all/20211028155457.967291-19-berrange@redhat.com/__;!!ACWV5N9M2RV99hQ!KOLfuCesLC4T6ka9bjf4x6ncC34GPK9pVvWwOJhbwSZw2fwp3Mxlakk0fnR-NCoqRPKOX7X4SOAxozQBC7VQ$ 
>>
>> Cc: Joe Jin <joe.jin@oracle.com>
>> Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
>> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
>> Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
> 
> Reviewed-by: Juan Quintela <quintela@redhat.com>
> 
> But I wonder how I did get CC'd on this patch O:-)
> 

Thank you very much!

This component does not have a maintainer. I just blindly cc all suggested
reviewers :), in order to get it reviewed and merged.

get_maintainer.pl: No maintainers found, printing recent contributors.
get_maintainer.pl: Do not blindly cc: them on patches!  Use common sense.

Thank you very much!

Dongli Zhang


  reply	other threads:[~2023-10-31 22:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-26 21:19 [PATCH v3 1/1] hmp: synchronize cpu state for lapic info Dongli Zhang
2023-10-30 16:31 ` Juan Quintela
2023-10-31 22:24   ` Dongli Zhang [this message]
2023-11-02  6:00     ` Markus Armbruster
2023-11-06  6:46       ` Thomas Huth
2023-11-08 10:22 ` Philippe Mathieu-Daudé

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