From: Feng Tang <feng.tang@linux.alibaba.com>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: linux-pci@vger.kernel.org, "Bjorn Helgaas" <bhelgaas@google.com>,
"Guanghui Feng" <guanghuifeng@linux.alibaba.com>,
"Liguang Zhang" <zhangliguang@linux.alibaba.com>,
"Lukas Wunner" <lukas@wunner.de>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Sathyanarayanan Kuppuswamy"
<sathyanarayanan.kuppuswamy@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Jonathan Cameron" <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH v2 1/2] PCI/portdrv: Add necessary wait for disabling hotplug events
Date: Wed, 19 Feb 2025 10:19:48 +0800 [thread overview]
Message-ID: <Z7U_xNsQ04_tcTgB@U-2FWC9VHC-2323.local> (raw)
In-Reply-To: <a7ebd733-3fdd-4163-8fd4-9f70ee40c6be@web.de>
Hi Markus,
On Tue, Feb 18, 2025 at 10:00:33AM +0100, Markus Elfring wrote:
> > There was problem reported by firmware developers that they received
> > 2 pcie link control commands in very short intervals on an ARM server,
> > which doesn't comply with pcie spec, and broke their state machine and
> > work flow. According to PCIe 6.1 spec, section 6.7.3.2, software needs
>
> Would you like to use key words in consistent ways also in such a change description?
Will do. thanks
>
> > to wait at least 1 second for the command-complete event, before
> > resending the cmd or …
>
> command?
Yes.
> …
> > ---
> > Changlog:
> >
> > since v1:
> …
>
> Are cover letters generally desirable for patch series?
The 2 patches solve different issue, and not logically relevant. But
I'll try in next version.
Thanks,
Feng
> Regards,
> Markus
next prev parent reply other threads:[~2025-02-19 2:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-18 3:48 [PATCH v2 1/2] PCI/portdrv: Add necessary wait for disabling hotplug events Feng Tang
2025-02-18 3:48 ` [PATCH v2 2/2] PCI: Disable PCIE hotplug interrupts early when msi is disabled Feng Tang
2025-02-18 9:00 ` [PATCH v2 1/2] PCI/portdrv: Add necessary wait for disabling hotplug events Markus Elfring
2025-02-19 2:19 ` Feng Tang [this message]
2025-02-18 18:58 ` Sathyanarayanan Kuppuswamy
2025-02-19 6:53 ` Feng Tang
2025-02-18 22:33 ` Bjorn Helgaas
2025-02-19 2:53 ` Feng Tang
2025-02-19 11:12 ` Feng Tang
2025-02-19 5:57 ` kernel test robot
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