linux-kernel - Re: [PATCH 4/4] um: irq: Restore O

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Message-ID: <25e9d4e4f8655bee5dc5e8a017c83d743effa4e7.camel@sipsolutions.net>
Date:   Tue, 04 Jan 2022 10:02:41 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     Richard Weinberger <richard@....at>, linux-um@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, anton.ivanov@...bridgegreys.com
Subject: Re: [PATCH 4/4] um: irq: Restore O_ASYNC upon exit

On Sat, 2022-01-01 at 22:58 +0100, Richard Weinberger wrote:
> Just like with O_NONBLOCK, make sure UML clears O_ASYNC
> upon exit when it set it.
> 

"when it set it" isn't really quite true - you always clear it, should
it be similar to the O_NONBLOCK version to see the old mode?

johannes