From: Christoph Hellwig <hch@lst.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christoph Hellwig <hch@lst.de>, Al Viro <viro@zeniv.linux.org.uk>,
Luis Chamberlain <mcgrof@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Kees Cook <keescook@chromium.org>,
Iurii Zaikin <yzaikin@google.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [RFC] stop using ->read and ->write for kernel access v2
Date: Sun, 28 Jun 2020 09:20:12 +0200 [thread overview]
Message-ID: <20200628072012.GA16344@lst.de> (raw)
In-Reply-To: <CAHk-=wiFVdi_AGKvUH5FWfD4Pe-dFa+iYPzS174AHKx_ZsjW5w@mail.gmail.com>
On Sat, Jun 27, 2020 at 03:15:00PM -0700, Linus Torvalds wrote:
> > as part of removing set_fs entirely (for which I have a working
> > prototype), we need to stop calling ->read and ->write with kernel
> > pointers under set_fs.
> >
> > My previous "clean up kernel_{read,write} & friends v5" series, on which
> > this one builds, consolidate those calls into the __ḵernel_{read,write}
> > helpers. This series goes further and removes the option to call
> > ->read and ->write with kernel pointers entirely.
>
> Ack. I scanned through these and didn't find anything odd.
>
> Which either means that it's all good, or that my scanning was too
> limited. But this does feel like the right way to go about things.
Thanks. If we move forward with this I'd like to get it merge soon
so that we get an as long as possible exposure in linux-next to find
the occasional candidate that needs to be converted to the iter ops.
prev parent reply other threads:[~2020-06-28 7:20 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-26 7:58 [RFC] stop using ->read and ->write for kernel access v2 Christoph Hellwig
2020-06-26 7:58 ` [PATCH 1/9] fs: refactor new_sync_read Christoph Hellwig
2020-06-26 7:58 ` [PATCH 2/9] proc: add a read_iter method to proc proc_ops Christoph Hellwig
2020-06-26 12:06 ` Luis Chamberlain
2020-06-26 13:36 ` Christoph Hellwig
2020-06-26 7:58 ` [PATCH 3/9] seq_file: add seq_read_iter Christoph Hellwig
2020-06-26 7:58 ` [PATCH 5/9] proc: switch over direct seq_read method calls to seq_read_iter Christoph Hellwig
2020-06-26 7:58 ` [PATCH 6/9] sysctl: Call sysctl_head_finish on error Christoph Hellwig
2020-06-26 12:17 ` Luis Chamberlain
2020-06-26 12:27 ` Matthew Wilcox
2020-06-26 7:58 ` [PATCH 7/9] sysctl: Convert to iter interfaces Christoph Hellwig
2020-06-26 7:58 ` [PATCH 8/9] fs: don't allow kernel reads and writes without iter ops Christoph Hellwig
2020-06-26 12:27 ` Luis Chamberlain
2020-06-26 13:37 ` Christoph Hellwig
2020-06-26 13:51 ` Matthew Wilcox
2020-06-26 21:05 ` Kees Cook
2020-06-27 7:10 ` Christoph Hellwig
2020-06-26 7:58 ` [PATCH 9/9] fs: don't allow splice read/write without explicit ops Christoph Hellwig
2020-06-27 22:15 ` [RFC] stop using ->read and ->write for kernel access v2 Linus Torvalds
2020-06-28 7:20 ` Christoph Hellwig [this message]
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