From: Paolo Bonzini <pbonzini@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Fam Zheng <famz@redhat.com>,
"Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
X86 ML <x86@kernel.org>, Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
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 <peterz@infradead.org>,
Linux FS Devel <linux-fsdevel@vger.kernel.org>,
Linux API <linux-api@vger.kernel.org>,
Josh Triplett <josh@joshtriplett.org>
Subject: Re: [PATCH RFC 5/6] epoll: Add implementation for epoll_mod_wait
Date: Fri, 23 Jan 2015 10:56:46 +0100 [thread overview]
Message-ID: <54C21ADE.1040605@redhat.com> (raw)
In-Reply-To: <CALCETrWwuJpFK+38mBxxTQCu7Oig22Nr+mAuO++Y+0CdAhfzkw@mail.gmail.com>
On 22/01/2015 22:12, Andy Lutomirski wrote:
> In my application, the set of fds almost never changes, but the set of
> events I want changes all the time. The main thing that changes is
> whether I care about EPOLLOUT. If I'm ready to send something, then I
> want EPOLLOUT. If I'm not ready, then I don't want EPOLLOUT.
Yes, this is almost always the case unless you use EPOLLET.
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
Cc: Fam Zheng <famz-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Michael Kerrisk (man-pages)"
<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
X86 ML <x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Alexander Viro
<viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
David Herrmann
<dh.herrmann-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Alexei Starovoitov <ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>,
Miklos Szeredi <mszeredi-AlSwsSmVLrQ@public.gmane.org>,
David Drysdale <drysdale-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Mike Frysinger <vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>,
"Theodore Ts'o" <tytso-3s7WtUTddSA@public.gmane.org>,
Heiko Carstens
<heiko.carstens-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>,
Rasmus Villemoes
<linux-qQsb+v5E8BnlAoU/VqSP6n9LOBIZ5rWg@public.gmane.org>,
Rashika Kheria
<rashika.kheria-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Hugh Dickins <hugh
Subject: Re: [PATCH RFC 5/6] epoll: Add implementation for epoll_mod_wait
Date: Fri, 23 Jan 2015 10:56:46 +0100 [thread overview]
Message-ID: <54C21ADE.1040605@redhat.com> (raw)
In-Reply-To: <CALCETrWwuJpFK+38mBxxTQCu7Oig22Nr+mAuO++Y+0CdAhfzkw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 22/01/2015 22:12, Andy Lutomirski wrote:
> In my application, the set of fds almost never changes, but the set of
> events I want changes all the time. The main thing that changes is
> whether I care about EPOLLOUT. If I'm ready to send something, then I
> want EPOLLOUT. If I'm not ready, then I don't want EPOLLOUT.
Yes, this is almost always the case unless you use EPOLLET.
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
Cc: Fam Zheng <famz-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Michael Kerrisk (man-pages)"
<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
X86 ML <x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Alexander Viro
<viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
David Herrmann
<dh.herrmann-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Alexei Starovoitov <ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>,
Miklos Szeredi <mszeredi-AlSwsSmVLrQ@public.gmane.org>,
David Drysdale <drysdale-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Mike Frysinger <vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>,
Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>,
Heiko Carstens
<heiko.carstens-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>,
Rasmus Villemoes
<linux-qQsb+v5E8BnlAoU/VqSP6n9LOBIZ5rWg@public.gmane.org>,
Rashika Kheria
<rashika.kheria-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Hugh Dickins <hugh>
Subject: Re: [PATCH RFC 5/6] epoll: Add implementation for epoll_mod_wait
Date: Fri, 23 Jan 2015 10:56:46 +0100 [thread overview]
Message-ID: <54C21ADE.1040605@redhat.com> (raw)
In-Reply-To: <CALCETrWwuJpFK+38mBxxTQCu7Oig22Nr+mAuO++Y+0CdAhfzkw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 22/01/2015 22:12, Andy Lutomirski wrote:
> In my application, the set of fds almost never changes, but the set of
> events I want changes all the time. The main thing that changes is
> whether I care about EPOLLOUT. If I'm ready to send something, then I
> want EPOLLOUT. If I'm not ready, then I don't want EPOLLOUT.
Yes, this is almost always the case unless you use EPOLLET.
Paolo
next prev parent reply other threads:[~2015-01-23 9:58 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-20 9:57 [PATCH RFC 0/6] epoll: Introduce new syscall "epoll_mod_wait" Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` [PATCH RFC 1/6] epoll: Extract epoll_wait_do and epoll_pwait_do Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` [PATCH RFC 2/6] epoll: Specify clockid explicitly Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` [PATCH RFC 3/6] epoll: Add definition for epoll_mod_wait structures Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` [PATCH RFC 4/6] epoll: Extract ep_ctl_do Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` [PATCH RFC 5/6] epoll: Add implementation for epoll_mod_wait Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 12:50 ` Michael Kerrisk (man-pages)
2015-01-20 12:50 ` Michael Kerrisk (man-pages)
2015-01-20 12:50 ` Michael Kerrisk (man-pages)
2015-01-21 4:59 ` Fam Zheng
2015-01-21 4:59 ` Fam Zheng
2015-01-21 4:59 ` Fam Zheng
2015-01-21 7:52 ` Michael Kerrisk (man-pages)
2015-01-21 7:52 ` Michael Kerrisk (man-pages)
2015-01-21 7:52 ` Michael Kerrisk (man-pages)
2015-01-21 8:58 ` Fam Zheng
2015-01-21 8:58 ` Fam Zheng
2015-01-21 10:37 ` Paolo Bonzini
2015-01-21 10:37 ` Paolo Bonzini
2015-01-21 11:14 ` Fam Zheng
2015-01-21 11:14 ` Fam Zheng
2015-01-21 11:14 ` Fam Zheng
2015-01-21 11:50 ` Paolo Bonzini
2015-01-21 11:50 ` Paolo Bonzini
2015-01-21 11:50 ` Paolo Bonzini
2015-01-22 21:12 ` Andy Lutomirski
2015-01-22 21:12 ` Andy Lutomirski
2015-01-22 21:12 ` Andy Lutomirski
2015-01-23 6:20 ` Fam Zheng
2015-01-23 6:20 ` Fam Zheng
2015-01-23 6:20 ` Fam Zheng
2015-01-23 9:56 ` Paolo Bonzini [this message]
2015-01-23 9:56 ` Paolo Bonzini
2015-01-23 9:56 ` Paolo Bonzini
2015-01-21 10:34 ` Paolo Bonzini
2015-01-21 10:34 ` Paolo Bonzini
2015-01-21 10:34 ` Paolo Bonzini
2015-01-21 7:56 ` Omar Sandoval
2015-01-21 7:56 ` Omar Sandoval
2015-01-21 7:56 ` Omar Sandoval
2015-01-21 8:59 ` Fam Zheng
2015-01-21 8:59 ` Fam Zheng
2015-01-21 8:59 ` Fam Zheng
2015-01-20 9:57 ` [PATCH RFC 6/6] x86: Hook up epoll_mod_wait syscall Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 9:57 ` Fam Zheng
2015-01-20 10:37 ` [PATCH RFC 0/6] epoll: Introduce new syscall "epoll_mod_wait" Rasmus Villemoes
2015-01-20 10:37 ` Rasmus Villemoes
2015-01-20 10:53 ` Fam Zheng
2015-01-20 10:53 ` Fam Zheng
2015-01-20 12:48 ` Michael Kerrisk (man-pages)
2015-01-20 12:48 ` Michael Kerrisk (man-pages)
2015-01-20 12:48 ` Michael Kerrisk (man-pages)
2015-01-21 9:05 ` Fam Zheng
2015-01-21 9:05 ` Fam Zheng
2015-01-21 9:05 ` Fam Zheng
2015-01-20 22:40 ` Andy Lutomirski
2015-01-20 22:40 ` Andy Lutomirski
2015-01-20 22:40 ` Andy Lutomirski
2015-01-20 23:03 ` josh
2015-01-20 23:03 ` josh-iaAMLnmF4UmaiuxdJuQwMA
2015-01-20 23:03 ` josh-iaAMLnmF4UmaiuxdJuQwMA
2015-01-21 5:55 ` Michael Kerrisk (man-pages)
2015-01-21 5:55 ` Michael Kerrisk (man-pages)
2015-01-21 5:55 ` Michael Kerrisk (man-pages)
2015-01-21 9:07 ` Fam Zheng
2015-01-21 9:07 ` Fam Zheng
2015-01-21 9:07 ` Fam Zheng
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