From: Oleg Nesterov <oleg@redhat.com>
To: Christian Brauner <christian@brauner.io>
Cc: torvalds@linux-foundation.org, viro@zeniv.linux.org.uk,
jannh@google.com, dhowells@redhat.com, linux-api@vger.kernel.org,
linux-kernel@vger.kernel.org, serge@hallyn.com, luto@kernel.org,
arnd@arndb.de, ebiederm@xmission.com, keescook@chromium.org,
tglx@linutronix.de, mtk.manpages@gmail.com,
akpm@linux-foundation.org, cyphar@cyphar.com,
joel@joelfernandes.org, dancol@google.com
Subject: Re: [PATCH v2 4/5] signal: support CLONE_PIDFD with pidfd_send_signal
Date: Thu, 18 Apr 2019 16:26:00 +0200 [thread overview]
Message-ID: <20190418142559.GA30069@redhat.com> (raw)
In-Reply-To: <20190418101841.4476-5-christian@brauner.io>
On 04/18, Christian Brauner wrote:
>
> +static struct pid *pidfd_to_pid(const struct file *file)
> +{
> + if (file->f_op == &pidfd_fops)
> + return file->private_data;
> +
> + return tgid_pidfd_to_pid(file);
> +}
the patch looks obviously fine to me, but I have an absolutely off-topic
question... why tgid_pidfd_to_pid() has to check d_is_dir() ?
Oleg.
next prev parent reply other threads:[~2019-04-18 14:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-18 10:18 [PATCH v2 0/5] clone: add CLONE_PIDFD Christian Brauner
2019-04-18 10:18 ` [PATCH v2 1/5] Make anon_inodes unconditional Christian Brauner
2019-04-18 10:18 ` [PATCH v2 2/5] clone: add CLONE_PIDFD Christian Brauner
2019-04-18 13:12 ` Oleg Nesterov
2019-04-18 13:28 ` Christian Brauner
2019-04-18 14:10 ` Oleg Nesterov
2019-04-18 14:15 ` Christian Brauner
2019-04-19 13:39 ` Aleksa Sarai
2019-04-18 10:18 ` [PATCH v2 3/5] signal: use fdget() since we don't allow O_PATH Christian Brauner
2019-04-18 13:17 ` Oleg Nesterov
2019-04-18 15:37 ` Linus Torvalds
2019-04-18 15:53 ` Christian Brauner
2019-04-18 10:18 ` [PATCH v2 4/5] signal: support CLONE_PIDFD with pidfd_send_signal Christian Brauner
2019-04-18 14:26 ` Oleg Nesterov [this message]
2019-04-18 15:01 ` Christian Brauner
2019-04-18 10:18 ` [PATCH v2 5/5] samples: show race-free pidfd metadata access Christian Brauner
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