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From: Arnd Bergmann <arnd@arndb.de>
To: Axel Rasmussen <axelrasmussen@google.com>
Cc: "Dmitry V. Levin" <ldv@altlinux.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	 Andrew Morton <akpm@linux-foundation.org>,
	Charan Teja Reddy <charante@codeaurora.org>,
	 Dave Hansen <dave.hansen@linux.intel.com>,
	 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>,
	Hugh Dickins <hughd@google.com>, Jan Kara <jack@suse.cz>,
	 Jonathan Corbet <corbet@lwn.net>,
	Mel Gorman <mgorman@techsingularity.net>,
	 Mike Kravetz <mike.kravetz@oracle.com>,
	Mike Rapoport <rppt@kernel.org>, Nadav Amit <namit@vmware.com>,
	 Peter Xu <peterx@redhat.com>, Shuah Khan <shuah@kernel.org>,
	 Suren Baghdasaryan <surenb@google.com>,
	Vlastimil Babka <vbabka@suse.cz>, zhangyi <yi.zhang@huawei.com>,
	 Linux API <linux-api@vger.kernel.org>,
	 "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
	 Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	 Linux MM <linux-mm@kvack.org>,
	Linuxkselftest <linux-kselftest@vger.kernel.org>
Subject: Re: [PATCH v2 2/6] userfaultfd: add /dev/userfaultfd for fine grained access control
Date: Tue, 26 Apr 2022 19:13:47 +0200	[thread overview]
Message-ID: <CAK8P3a0th99KbPO_Mt17uztHay6vBMngT-ii2dFW4++BaAQNpw@mail.gmail.com> (raw)
In-Reply-To: <CAJHvVchLSpbKXn6u451pjaRpW=SwbOFSdpQpaC47WBFa0660xw@mail.gmail.com>

On Tue, Apr 26, 2022 at 6:00 PM Axel Rasmussen <axelrasmussen@google.com> wrote:
>
> You're right, [1] says _IO is appropriate for ioctls which only take
> an integer argument. I'll send a v3 with this fix, although I might
> wait a bit for any other review comments before doing so. Thanks for
> taking a look!

If there are no other command codes, you could also set .compat_ioctl
to the same function pointer as .unlocked_ioctl, the compat_ptr_ioctl
conversion is only needed when there are commands that take a pointer.

        Armd


  reply	other threads:[~2022-04-26 17:14 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-22 21:29 [PATCH v2 0/6] userfaultfd: add /dev/userfaultfd for fine grained access control Axel Rasmussen
2022-04-22 21:29 ` [PATCH v2 1/6] selftests: vm: add hugetlb_shared userfaultfd test to run_vmtests.sh Axel Rasmussen
2022-04-26 16:06   ` Shuah Khan
2022-04-26 20:33   ` Peter Xu
2022-04-22 21:29 ` [PATCH v2 2/6] userfaultfd: add /dev/userfaultfd for fine grained access control Axel Rasmussen
2022-04-25 20:32   ` Dmitry V. Levin
2022-04-26 16:00     ` Axel Rasmussen
2022-04-26 17:13       ` Arnd Bergmann [this message]
2022-04-26 20:32   ` Peter Xu
2022-04-26 21:33     ` Axel Rasmussen
2022-04-22 21:29 ` [PATCH v2 3/6] userfaultfd: selftests: modify selftest to use /dev/userfaultfd Axel Rasmussen
2022-04-26 16:16   ` Shuah Khan
2022-05-19 17:56     ` Axel Rasmussen
2022-04-22 21:29 ` [PATCH v2 4/6] userfaultfd: update documentation to describe /dev/userfaultfd Axel Rasmussen
2022-04-26 16:46   ` Shuah Khan
2022-05-19 18:58     ` Axel Rasmussen
2022-04-22 21:29 ` [PATCH v2 5/6] userfaultfd: selftests: make /dev/userfaultfd testing configurable Axel Rasmussen
2022-04-26 16:56   ` Shuah Khan
2022-05-19 19:13     ` Axel Rasmussen
2022-04-22 21:29 ` [PATCH v2 6/6] selftests: vm: add /dev/userfaultfd test cases to run_vmtests.sh Axel Rasmussen
2022-04-26 17:34   ` Shuah Khan

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