All of lore.kernel.org
 help / color / mirror / Atom feed
From: Paolo Bonzini <pbonzini@redhat.com>
To: Yann Droneaud <ydroneaud@opteya.com>
Cc: Alexander Graf <agraf@suse.de>, Gleb Natapov <gleb@redhat.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Alex Williamson <alex.williamson@redhat.com>,
	kvm-ppc@vger.kernel.org, kvm@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	Paolo Bonzini <paolo.bonzini@gmail.com>
Subject: Re: [PATCH 2/2] ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag
Date: Mon, 26 Aug 2013 08:28:50 +0000	[thread overview]
Message-ID: <521B11C2.3040801@redhat.com> (raw)
In-Reply-To: <156342996ba92cb5f49519b0c2e9d6ac@meuh.org>

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

WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Yann Droneaud <ydroneaud@opteya.com>
Cc: kvm@vger.kernel.org, Gleb Natapov <gleb@redhat.com>,
	Paolo Bonzini <paolo.bonzini@gmail.com>,
	Alexander Graf <agraf@suse.de>,
	kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Alex Williamson <alex.williamson@redhat.com>,
	Paul Mackerras <paulus@samba.org>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/2] ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag
Date: Mon, 26 Aug 2013 10:28:50 +0200	[thread overview]
Message-ID: <521B11C2.3040801@redhat.com> (raw)
In-Reply-To: <156342996ba92cb5f49519b0c2e9d6ac@meuh.org>

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

WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Yann Droneaud <ydroneaud@opteya.com>
Cc: Alexander Graf <agraf@suse.de>, Gleb Natapov <gleb@redhat.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Alex Williamson <alex.williamson@redhat.com>,
	kvm-ppc@vger.kernel.org, kvm@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	Paolo Bonzini <paolo.bonzini@gmail.com>
Subject: Re: [PATCH 2/2] ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag
Date: Mon, 26 Aug 2013 10:28:50 +0200	[thread overview]
Message-ID: <521B11C2.3040801@redhat.com> (raw)
In-Reply-To: <156342996ba92cb5f49519b0c2e9d6ac@meuh.org>

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

  reply	other threads:[~2013-08-26  8:28 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-24 20:14 [PATCH 0/2] kvm: use anon_inode_getfd() with O_CLOEXEC flag Yann Droneaud
2013-08-24 20:14 ` Yann Droneaud
2013-08-24 20:14 ` Yann Droneaud
2013-08-24 20:14 ` [PATCH 1/2] " Yann Droneaud
2013-08-25  6:49   ` Paolo Bonzini
2013-08-24 20:14 ` [PATCH 2/2] ppc: " Yann Droneaud
2013-08-24 20:14   ` Yann Droneaud
2013-08-24 20:14   ` Yann Droneaud
2013-08-25 15:04   ` Alexander Graf
2013-08-25 15:04     ` Alexander Graf
2013-08-25 15:04     ` Alexander Graf
2013-08-26  7:39     ` Paolo Bonzini
2013-08-26  7:39       ` Paolo Bonzini
2013-08-26  7:39       ` Paolo Bonzini
2013-08-26  8:23       ` [PATCH 2/2] ppc: kvm: use anon_inode_getfd( =?UTF-8?Q?=29=20with=20O=5FCLOEXEC Yann Droneaud
2013-08-26  8:23         ` [PATCH 2/2] ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag Yann Droneaud
2013-08-26  8:23         ` Yann Droneaud
2013-08-26  8:28         ` Paolo Bonzini [this message]
2013-08-26  8:28           ` Paolo Bonzini
2013-08-26  8:28           ` Paolo Bonzini
2013-08-26 10:20 ` [PATCH 0/2] " Gleb Natapov
2013-08-26 10:20   ` Gleb Natapov
2013-08-26 10:20   ` Gleb Natapov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=521B11C2.3040801@redhat.com \
    --to=pbonzini@redhat.com \
    --cc=agraf@suse.de \
    --cc=alex.williamson@redhat.com \
    --cc=benh@kernel.crashing.org \
    --cc=gleb@redhat.com \
    --cc=kvm-ppc@vger.kernel.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=paolo.bonzini@gmail.com \
    --cc=paulus@samba.org \
    --cc=ydroneaud@opteya.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.