Re: [PATCH 0/4] pid: add pidctl()

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Subject: Re: [PATCH 0/4] pid: add pidctl()
From: David Howells <dhowells@xxxxxxxxxx>
Date: Mon, 25 Mar 2019 16:56:14 +0000
Cc: dhowells@xxxxxxxxxx, Christian Brauner <christian@xxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, khlebnikov@xxxxxxxxxxxxxx, Andy Lutomirski <luto@xxxxxxxxxx>, "Serge E. Hallyn" <serge@xxxxxxxxxx>, "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, Linux API <linux-api@xxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Alexey Dobriyan <adobriyan@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Michael Kerrisk-manpages <mtk.manpages@xxxxxxxxx>, bl0pbl33p@xxxxxxxxx, "Dmitry V. Levin" <ldv@xxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, nagarathnam.muthusamy@xxxxxxxxxx, Aleksa Sarai <cyphar@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Joel Fernandes <joel@xxxxxxxxxxxxxxxxx>
In-reply-to: <CAKOZueuJSAiKU7fZR2FNDKKCktdyE-sADtWprpsNMAqYQvD9Jw@mail.gmail.com>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <CAKOZueuJSAiKU7fZR2FNDKKCktdyE-sADtWprpsNMAqYQvD9Jw@mail.gmail.com> <20190325162052.28987-1-christian@brauner.io>

Daniel Colascione <dancol@xxxxxxxxxx> 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

Follow-Ups:
- Re: [PATCH 0/4] pid: add pidctl()
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- Re: [PATCH 0/4] pid: add pidctl()
  - From: Daniel Colascione

References:
- Re: [PATCH 0/4] pid: add pidctl()
  - From: Daniel Colascione
- [PATCH 0/4] pid: add pidctl()
  - From: Christian Brauner

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