From: Jason Gunthorpe <jgg@nvidia.com>
To: "Pearson, Robert B" <robert.pearson2@hpe.com>
Cc: Bob Pearson <rpearsonhpe@gmail.com>,
"zyjzyj2000@gmail.com" <zyjzyj2000@gmail.com>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: Re: [PATCH for-next] RDMA/rxe: Convert spin_lock_irqsave to spin_lock
Date: Fri, 28 Oct 2022 14:43:15 -0300 [thread overview]
Message-ID: <Y1wUs48SR9Kce9Lp@nvidia.com> (raw)
In-Reply-To: <MW4PR84MB23075142FFB21BDAE8B18D0BBC329@MW4PR84MB2307.NAMPRD84.PROD.OUTLOOK.COM>
On Fri, Oct 28, 2022 at 05:41:29PM +0000, Pearson, Robert B wrote:
> Yes. Every time it turns out that you really need irqsave locks for
> rxe it is because some maniac is calling into the verbs API at
> interrupt level. I have run into this a couple of times.
I'm pretty sure post_send is not legal to call from an irq or
softirq..
Jason
prev parent reply other threads:[~2022-10-28 17:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-06 17:04 [PATCH for-next] RDMA/rxe: Convert spin_lock_irqsave to spin_lock Bob Pearson
2022-10-28 17:32 ` Jason Gunthorpe
2022-10-28 17:41 ` Pearson, Robert B
2022-10-28 17:43 ` Jason Gunthorpe [this message]
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