From: zhukeqian <zhukeqian1@huawei.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "virtio-comment@lists.oasis-open.org"
<virtio-comment@lists.oasis-open.org>,
"Wanghaibin (D)" <wanghaibin.wang@huawei.com>,
"sundongxu (A)" <sundongxu3@huawei.com>
Subject: Re: [virtio-comment] [PATCH] pci: Update ISR related description about MSI-X
Date: Tue, 13 Sep 2022 06:46:25 +0000 [thread overview]
Message-ID: <2539b8caa9954d779eba9fae41ea14d5@huawei.com> (raw)
Hi Michael,
>>
>> Writing a valid MSI-X Table entry number, 0 to 0x7FF, to
>> \field{config_msix_vector}/\field{queue_msix_vector} maps interrupts
>> triggered @@ -1681,6 +1681,8 @@ \subsubsection{Notification of Device
>> Configuration Changes}\label{sec:Virtio Tr
>>
>> \item If MSI-X capability is enabled:
>> \begin{enumerate}
>> + \item If \field{config_msix_vector} is not NO_VECTOR, set the second
>> + lower bit of the ISR Status field for the device.
>
>I think it has to be set always. With NO_VECTOR driver can poll for config changes.
Thanks for pointing it out. I will send v2.
Thanks,
Keqian
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next reply other threads:[~2022-09-13 6:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-13 6:46 zhukeqian [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-09-02 9:35 [virtio-comment] [PATCH] pci: Update ISR related description about MSI-X Keqian Zhu
2022-09-08 21:16 ` Michael S. Tsirkin
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