From: "Margolin, Michael" <mrgolin@amazon.com>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Tao Liu <ltao@redhat.com>, Gal Pressman <gal.pressman@linux.dev>,
<sleybo@amazon.com>, <leon@kernel.org>,
<kexec@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
<linux-rdma@vger.kernel.org>
Subject: Re: Implementing .shutdown method for efa module
Date: Thu, 4 Apr 2024 09:54:10 +0300 [thread overview]
Message-ID: <59c5dabd-c06e-4982-af68-bdee9b8174fd@amazon.com> (raw)
In-Reply-To: <20240403154414.GD1363414@ziepe.ca>
Thanks, I'll send a patch.
Michael
On 4/3/2024 6:44 PM, Jason Gunthorpe wrote:
> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe.
>
>
>
> On Mon, Apr 01, 2024 at 04:23:32PM +0300, Margolin, Michael wrote:
>> Jason
>>
>> Thanks for your response, efa_remove() is performing reset to the device
>> which should stop all DMA from the device.
>>
>> Except skipping cleanups that are unnecessary for shutdown flow are there
>> any other reasons to prefer a separate function for shutdown?
> Yes you should skip "cleanups" like removing the IB device and
> otherwise as there is a risk of system hang/deadlock in a shutdown
> handler context.
>
> Jason
>
next prev parent reply other threads:[~2024-04-04 6:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-25 2:10 Implementing .shutdown method for efa module Tao Liu
2024-03-25 8:06 ` Gal Pressman
2024-03-26 1:38 ` Tao Liu
2024-03-26 12:34 ` Margolin, Michael
2024-03-26 15:32 ` Jason Gunthorpe
2024-04-01 13:23 ` Margolin, Michael
2024-04-03 15:44 ` Jason Gunthorpe
2024-04-04 6:54 ` Margolin, Michael [this message]
2024-04-25 3:27 ` Tao Liu
2024-03-29 11:58 ` Tao Liu
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