linux-kernel - Re: [PATCH v2 1/2] msync: support syncing a small part of the file

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: <4FF1584A.6010903@redhat.com>
Date:	Mon, 02 Jul 2012 10:14:02 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, Hugh Dickins <hughd@...gle.com>,
	Chris Friesen <chris.friesen@...band.com>
Subject: Re: [PATCH v2 1/2] msync: support syncing a small part of the file

Il 22/06/2012 23:12, Andrew Morton ha scritto:
> Please recall my thus-far-utterly-and-irritatingly-ignored comments
> about nonlinear mappings.  Presently an msync() on a nonlinear mapping
> will work correctly, because we sync the whole file, yes?  And with
> this change, we will no longer sync all the pages which were covered by
> the affected memory range.  Thus breaking the syscall?

The comment was not ignored, it was missed altogether, and you're
completely right.

Paolo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/