From: Johannes Berg <johannes@sipsolutions.net>
To: Anton Ivanov <anton.ivanov@kot-begemot.co.uk>,
linux-um@lists.infradead.org
Subject: Re: [PATCH 7/7] um: simplify IRQ handling code
Date: Wed, 02 Dec 2020 12:32:57 +0100 [thread overview]
Message-ID: <7cee8105ff3a771fc0c3f7a4e4849da4ca2912a1.camel@sipsolutions.net> (raw)
In-Reply-To: <b93242b0-5088-4534-8f8e-1d92b68eb9f4@kot-begemot.co.uk>
On Wed, 2020-12-02 at 11:31 +0000, Anton Ivanov wrote:
>
> I think we should just handle EPOLLHUP and do an IRQ + fd disable if it HUPS.
>
> This way a close will always be handled correctly regardless of where and how it closed.
Yes, but that's sort of a separate thing?
Also, we probably should disable SIGIO if the IRQ is freed, otherwise
the FD can keep interrupting us but we don't find anything in the epoll
set ... But again, a separate cleanup?
johannes
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next prev parent reply other threads:[~2020-12-02 11:33 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-23 19:56 [PATCH 0/7 um: IRQ handling cleanups Johannes Berg
2020-11-23 19:56 ` [PATCH 1/7] um: support dynamic IRQ allocation Johannes Berg
2020-11-30 11:26 ` Anton Ivanov
2020-11-23 19:56 ` [PATCH 2/7] um: virtio: use " Johannes Berg
2020-11-30 13:45 ` Anton Ivanov
2020-11-23 19:56 ` [PATCH 3/7] um: clean up alarm IRQ chip name Johannes Berg
2020-11-30 13:54 ` Anton Ivanov
2020-11-23 19:56 ` [PATCH 4/7] um: irq: clean up and rename struct irq_fd Johannes Berg
2020-11-30 14:01 ` Anton Ivanov
2020-11-23 19:56 ` [PATCH 5/7] um: irq: reduce irq_reg allocation Johannes Berg
2020-11-23 19:56 ` [PATCH 6/7] um: remove IRQ_NONE type Johannes Berg
2020-11-30 14:31 ` Anton Ivanov
2020-11-23 19:56 ` [PATCH 7/7] um: simplify IRQ handling code Johannes Berg
2020-11-24 21:50 ` Anton Ivanov
2020-11-24 21:58 ` Johannes Berg
2020-11-24 22:36 ` Anton Ivanov
2020-11-30 12:00 ` Johannes Berg
2020-11-30 13:40 ` Anton Ivanov
2020-11-30 16:30 ` Anton Ivanov
2020-12-01 20:15 ` Johannes Berg
2020-12-02 9:03 ` Anton Ivanov
2020-12-02 11:29 ` Johannes Berg
2020-12-02 11:31 ` Anton Ivanov
2020-12-02 11:32 ` Johannes Berg [this message]
2020-12-02 11:56 ` Anton Ivanov
2020-12-02 11:58 ` Johannes Berg
2020-12-02 11:43 ` Johannes Berg
2020-12-02 11:49 ` Johannes Berg
2020-12-02 11:54 ` Johannes Berg
2020-12-02 11:58 ` Anton Ivanov
2020-11-24 8:14 ` [PATCH 0/7 um: IRQ handling cleanups Anton Ivanov
2020-11-24 8:55 ` Johannes Berg
2020-11-24 8:58 ` Johannes Berg
2020-11-24 9:06 ` Anton Ivanov
2020-11-24 16:34 ` Anton Ivanov
2020-11-24 16:39 ` Johannes Berg
2020-11-24 16:42 ` Anton Ivanov
2020-11-24 16:45 ` Anton Ivanov
2020-11-24 16:46 ` Johannes Berg
2020-11-24 17:07 ` Anton Ivanov
2020-11-24 18:32 ` Johannes Berg
2020-11-24 21:11 ` Johannes Berg
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