linux-kernel - Re: [PATCH 2/2] ppc: kvm: use anon_inode_getfd() with O

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Message-ID: <521B11C2.3040801@redhat.com>
Date:	Mon, 26 Aug 2013 10:28:50 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Yann Droneaud <ydroneaud@...eya.com>
CC:	Alexander Graf <agraf@...e.de>, Gleb Natapov <gleb@...hat.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Alex Williamson <alex.williamson@...hat.com>,
	kvm-ppc@...r.kernel.org, kvm@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Paolo Bonzini <paolo.bonzini@...il.com>
Subject: Re: [PATCH 2/2] ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag

Il 26/08/2013 10:23, Yann Droneaud ha scritto:
> 
> Sounds a lot like InfiniBand subsystem behavor: IB file descriptors
> are of no use accross exec() since memory mappings tied to those fds
> won't be available in the new process:
> 
> https://lkml.org/lkml/2013/7/8/380
> http://mid.gmane.org/f58540dc64fec1ac0e496dfcd3cc1af7@meuh.org

Yes, it is very similar.

Paolo
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