linux-kernel - Re: [PATCH 3/3] userfaultfd: non-cooperative: allow synchronous EVENT

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

Message-ID: <1a2ed216-74ac-5fe2-abff-21d670eeb96d@virtuozzo.com>
Date:   Wed, 28 Feb 2018 11:21:02 +0300
From:   Pavel Emelyanov <xemul@...tuozzo.com>
To:     Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrea Arcangeli <aarcange@...hat.com>
Cc:     linux-mm <linux-mm@...ck.org>,
        linux-api <linux-api@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>, crml <criu@...nvz.org>
Subject: Re: [PATCH 3/3] userfaultfd: non-cooperative: allow synchronous
 EVENT_REMOVE


> @@ -52,6 +53,7 @@
>  #define _UFFDIO_WAKE			(0x02)
>  #define _UFFDIO_COPY			(0x03)
>  #define _UFFDIO_ZEROPAGE		(0x04)
> +#define _UFFDIO_WAKE_SYNC_EVENT		(0x05)

Excuse my ignorance, but what's the difference between UFFDIO_WAKE and UFFDIO_WAKE_SYNC_EVENT?

-- Pavel