From: Jonathan Corbet <corbet@lwn.net>
To: Fam Zheng <famz@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
Andy Lutomirski <luto@amacapital.net>,
David Herrmann <dh.herrmann@gmail.com>,
Alexei Starovoitov <ast@plumgrid.com>,
Miklos Szeredi <mszeredi@suse.cz>,
David Drysdale <drysdale@google.com>,
Oleg Nesterov <oleg@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Vivek Goyal <vgoyal@redhat.com>,
Mike Frysinger <vapier@gentoo.org>,
"Theodore Ts'o" <tytso@mit.edu>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Rashika Kheria <rashika.kheria@gmail.com>,
Hugh Dickins <hughd@google.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Peter Zijlstra <peter
Subject: Re: [PATCH RFC v3 0/7] epoll: Introduce new syscalls, epoll_ctl_batch and epoll_pwait1
Date: Sun, 15 Feb 2015 15:00:11 -0700 [thread overview]
Message-ID: <20150215150011.0340686c@lwn.net> (raw)
In-Reply-To: <1423818243-15410-1-git-send-email-famz@redhat.com>
On Fri, 13 Feb 2015 17:03:56 +0800
Fam Zheng <famz@redhat.com> wrote:
> SYNOPSIS
>
> #include <sys/epoll.h>
>
> int epoll_pwait1(int epfd, int flags,
> struct epoll_event *events,
> int maxevents,
> struct epoll_wait_params *params);
Quick, possibly dumb question: might it make sense to also pass in
sizeof(struct epoll_wait_params)? That way, when somebody wants to add
another parameter in the future, the kernel can tell which version is in
use and they won't have to do an epoll_pwait2()?
Thanks,
jon
next prev parent reply other threads:[~2015-02-15 22:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-13 9:03 [PATCH RFC v3 0/7] epoll: Introduce new syscalls, epoll_ctl_batch and epoll_pwait1 Fam Zheng
2015-02-13 9:03 ` [PATCH RFC v3 2/7] epoll: Specify clockid explicitly Fam Zheng
2015-02-13 9:03 ` [PATCH RFC v3 3/7] epoll: Extract ep_ctl_do Fam Zheng
[not found] ` <1423818243-15410-1-git-send-email-famz-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-02-13 9:03 ` [PATCH RFC v3 1/7] epoll: Extract epoll_wait_do and epoll_pwait_do Fam Zheng
2015-02-13 9:04 ` [PATCH RFC v3 4/7] epoll: Add implementation for epoll_ctl_batch Fam Zheng
2015-02-13 9:04 ` [PATCH RFC v3 5/7] x86: Hook up epoll_ctl_batch syscall Fam Zheng
2015-02-13 9:04 ` [PATCH RFC v3 6/7] epoll: Add implementation for epoll_pwait1 Fam Zheng
2015-02-13 9:04 ` [PATCH RFC v3 7/7] x86: Hook up epoll_pwait1 syscall Fam Zheng
2015-02-13 9:53 ` [PATCH RFC v3 0/7] epoll: Introduce new syscalls, epoll_ctl_batch and epoll_pwait1 Omar Sandoval
2015-02-15 15:16 ` Michael Kerrisk (man-pages)
2015-02-15 22:00 ` Jonathan Corbet [this message]
[not found] ` <20150215150011.0340686c-T1hC0tSOHrs@public.gmane.org>
2015-02-16 1:02 ` Fam Zheng
2015-02-16 7:25 ` Seymour, Shane M
[not found] ` <DDB9C85B850785449757F9914A034FCB3BF41130-4I1V4pQFGigSZAcGdq5asR6epYMZPwEe5NbjCUgZEJk@public.gmane.org>
2015-02-16 8:12 ` Fam Zheng
2015-02-18 18:49 ` Ingo Molnar
2015-02-25 3:30 ` Fam Zheng
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