From: Christoph Hellwig <hch@lst.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Christoph Hellwig <hch@lst.de>,
richard@nod.at, anton.ivanov@cambridgegreys.com,
linux-um@lists.infradead.org
Subject: Re: [PATCH, RFC] um: remove set_fs
Date: Fri, 9 Jul 2021 18:57:37 +0200 [thread overview]
Message-ID: <20210709165737.GA24903@lst.de> (raw)
In-Reply-To: <b7b4f02385c2b103d66eadb1dfcff607a28a82b2.camel@sipsolutions.net>
On Fri, Jul 09, 2021 at 04:47:34PM +0200, Johannes Berg wrote:
> Seems to survive my normal (wireless related) tests :)
>
> But I don't really understand what any of it does, so ...
>
> In particular, why no pagefaults for kernel addresses?
No idea. But the existing uaccess_kernel() versions of the user copy
routines assume it, so this patch just keeps that behavior when switching
to the proper helpers.
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next prev parent reply other threads:[~2021-07-09 16:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-09 13:38 [PATCH, RFC] um: remove set_fs Christoph Hellwig
2021-07-09 14:47 ` Johannes Berg
2021-07-09 16:57 ` Christoph Hellwig [this message]
2021-08-23 7:04 ` Christoph Hellwig
2021-08-23 7:14 ` Anton Ivanov
2021-08-23 8:28 ` Anton Ivanov
2021-08-23 12:17 ` Christoph Hellwig
2021-08-23 12:29 ` Anton Ivanov
2021-08-26 19:15 ` Richard Weinberger
2021-08-26 21:12 ` Anton Ivanov
2021-08-26 22:04 ` Richard Weinberger
2021-08-27 5:40 ` hch
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