From: Johannes Berg <johannes@sipsolutions.net>
To: Anton Ivanov <anton.ivanov@cambridgegreys.com>,
linux-um@lists.infradead.org
Cc: richard@nod.at
Subject: Re: [PATCH v5] um: Enable preemption in UML
Date: Fri, 22 Sep 2023 11:55:54 +0200 [thread overview]
Message-ID: <ebed5822cb23b51208afa6c08187b486f8ed05bf.camel@sipsolutions.net> (raw)
In-Reply-To: <428dc1a37ab12368e09c555e44b767b8aa042cfd.camel@sipsolutions.net>
On Fri, 2023-09-22 at 11:51 +0200, Johannes Berg wrote:
> On Fri, 2023-09-22 at 10:19 +0100, Anton Ivanov wrote:
> > >
> > > So maybe that works - perhaps with a big comment?
> >
> > Ack. Will add this to the patch and run it through its paces.
> >
>
> We can also just get rid of it entirely:
>
And then we can remove all the skas0 stuff, including init_thread_regs
and all.
Seems the cost would be basically that we now pagefault everything
that's used between fork() and exec()? But is that so much and so
important?
johannes
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next prev parent reply other threads:[~2023-09-22 9:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-22 6:52 [PATCH v5] um: Enable preemption in UML anton.ivanov
2023-09-22 7:27 ` Richard Weinberger
2023-09-22 7:29 ` Anton Ivanov
2023-09-22 7:30 ` Johannes Berg
2023-09-22 7:38 ` Anton Ivanov
2023-09-22 7:40 ` Johannes Berg
2023-09-22 8:01 ` Anton Ivanov
2023-09-22 8:13 ` Johannes Berg
2023-09-22 8:40 ` Anton Ivanov
2023-09-22 8:41 ` Johannes Berg
2023-09-22 8:43 ` Johannes Berg
2023-09-22 9:04 ` Johannes Berg
2023-09-22 9:12 ` Anton Ivanov
2023-09-22 9:06 ` Anton Ivanov
2023-09-22 9:10 ` Johannes Berg
2023-09-22 9:14 ` Johannes Berg
2023-09-22 9:19 ` Anton Ivanov
2023-09-22 9:51 ` Johannes Berg
2023-09-22 9:55 ` Johannes Berg [this message]
2023-09-22 10:55 ` Anton Ivanov
2023-09-22 11:17 ` Johannes Berg
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