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From: David Howells <dhowells@redhat.com>
To: Daniel Colascione <dancol@google.com>
Cc: dhowells@redhat.com, Christian Brauner <christian@brauner.io>,
	Jann Horn <jannh@google.com>,
	khlebnikov@yandex-team.ru, Andy Lutomirski <luto@kernel.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Linux API <linux-api@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Arnd Bergmann <arnd@arndb.de>, Kees Cook <keescook@chromium.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Michael Kerrisk-manpages <mtk.manpages@gmail.com>,
	bl0pbl33p@gmail.com, "Dmitry V. Levin" <ldv@altlinux.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Oleg Nesterov <oleg@redhat.com>,
	nagarathnam.muthusamy@oracle.com,
	Aleksa Sarai <cyphar@cyphar.com>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Joel Fernandes <joel@joelfernandes.org>
Subject: Re: [PATCH 0/4] pid: add pidctl()
Date: Mon, 25 Mar 2019 16:56:14 +0000	[thread overview]
Message-ID: <18683.1553532974@warthog.procyon.org.uk> (raw)
In-Reply-To: <CAKOZueuJSAiKU7fZR2FNDKKCktdyE-sADtWprpsNMAqYQvD9Jw@mail.gmail.com>

Daniel Colascione <dancol@google.com> wrote:

> System calls are cheap.

Only to a point.  x86_64 will have an issue when we hit syscall 512.  We're
currently at 427.

David

  parent reply	other threads:[~2019-03-25 16:56 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-25 16:20 [PATCH 0/4] pid: add pidctl() Christian Brauner
2019-03-25 16:20 ` [PATCH 1/4] Make anon_inodes unconditional Christian Brauner
2019-03-25 16:20 ` [PATCH 2/4] pid: add pidctl() Christian Brauner
2019-03-25 17:20   ` Mika Penttilä
2019-03-25 19:59     ` Christian Brauner
2019-03-25 18:18   ` Jann Horn
2019-03-25 19:58     ` Christian Brauner
2019-03-26 16:07     ` Joel Fernandes
2019-03-26 16:15       ` Christian Brauner
2019-03-25 16:20 ` [PATCH 3/4] signal: support pidctl() with pidfd_send_signal() Christian Brauner
2019-03-25 18:28   ` Jonathan Kowalski
2019-03-25 20:05     ` Christian Brauner
2019-03-25 18:39   ` Jann Horn
2019-03-25 19:41     ` Christian Brauner
2019-03-25 16:20 ` [PATCH 4/4] tests: add pidctl() tests Christian Brauner
2019-03-25 16:48 ` [PATCH 0/4] pid: add pidctl() Daniel Colascione
2019-03-25 17:05   ` Konstantin Khlebnikov
2019-03-25 17:07     ` Daniel Colascione
2019-03-25 17:36   ` Joel Fernandes
2019-03-25 17:53     ` Daniel Colascione
2019-03-25 18:19       ` Jonathan Kowalski
2019-03-25 18:57         ` Daniel Colascione
2019-03-25 19:42           ` Jonathan Kowalski
2019-03-25 20:14             ` Daniel Colascione
2019-03-25 20:34               ` Jann Horn
2019-03-25 20:40                 ` Jonathan Kowalski
2019-03-25 21:14                   ` Jonathan Kowalski
2019-03-25 21:15                   ` Jann Horn
2019-03-25 20:40                 ` Christian Brauner
2019-03-25 20:15     ` Christian Brauner
2019-03-25 21:11       ` Joel Fernandes
2019-03-25 21:17         ` Daniel Colascione
2019-03-25 21:19         ` Jann Horn
2019-03-25 21:43           ` Joel Fernandes
2019-03-25 21:54             ` Jonathan Kowalski
2019-03-25 22:07               ` Daniel Colascione
2019-03-25 22:37                 ` Jonathan Kowalski
2019-03-25 23:14                   ` Daniel Colascione
2019-03-26  3:03               ` Joel Fernandes
2019-03-25 16:56 ` David Howells [this message]
2019-03-25 16:58   ` Daniel Colascione
2019-03-25 23:39   ` Andy Lutomirski

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