netdev - Re: aio poll, io_pgetevents and a new in-kernel poll API V3

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 18 Jan 2018 19:53:16 +0100
From:   Christoph Hellwig <hch@....de>
To:     Colin Walters <walters@...bum.org>
Cc:     Jeff Moyer <jmoyer@...hat.com>, Christoph Hellwig <hch@....de>,
        viro@...iv.linux.org.uk, Avi Kivity <avi@...lladb.com>,
        linux-aio@...ck.org, linux-fsdevel@...r.kernel.org,
        netdev@...r.kernel.org, linux-api@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On Thu, Jan 18, 2018 at 12:55:47PM -0500, Colin Walters wrote:
> 
> FWIW: https://git.gnome.org/browse/glib/commit/?id=3904c8761a60dbadbdfaf98fe23ff19cbdcc4a9a
> 
> Since that a lot of userspace (including NetworkManager) uses eventfd. I haven't
> tried this patchset myself but I'd look at what the GLib mainloop is doing.

eventfd really isn't the interesting piece, the interesting piece
is epoll, especially if used in level triggered mode.