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From: Dmitry Torokhov <dtor@vmware.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: pv-drivers@vmware.com, linux-kernel@vger.kernel.org,
	George Zhang <georgezhang@vmware.com>,
	virtualization@lists.linux-foundation.org
Subject: Re: [Pv-drivers] [PATCH 08/12] VMCI: resource object implementation.
Date: Mon, 29 Oct 2012 22:21:52 -0700	[thread overview]
Message-ID: <20121030052152.GG32055@dtor-ws.eng.vmware.com> (raw)
In-Reply-To: <20121030022946.GI1920@kroah.com>

On Mon, Oct 29, 2012 at 07:29:46PM -0700, Greg KH wrote:
> On Mon, Oct 29, 2012 at 06:04:58PM -0700, George Zhang wrote:
> > VMCI resource tracks all used resources within the vmci code.
> 
> Same "kref_put() with no lock seen" question in this file, prove me
> wrong please.

Same proof as with others, the reference can't be taken unless the
resource is in hast table (which protected by RCU/spinlock) so no fear
of bouncing off 0.

Thanks,
Dmitry

WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Torokhov <dtor@vmware.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: George Zhang <georgezhang@vmware.com>,
	pv-drivers@vmware.com, linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [Pv-drivers] [PATCH 08/12] VMCI: resource object implementation.
Date: Mon, 29 Oct 2012 22:21:52 -0700	[thread overview]
Message-ID: <20121030052152.GG32055@dtor-ws.eng.vmware.com> (raw)
In-Reply-To: <20121030022946.GI1920@kroah.com>

On Mon, Oct 29, 2012 at 07:29:46PM -0700, Greg KH wrote:
> On Mon, Oct 29, 2012 at 06:04:58PM -0700, George Zhang wrote:
> > VMCI resource tracks all used resources within the vmci code.
> 
> Same "kref_put() with no lock seen" question in this file, prove me
> wrong please.

Same proof as with others, the reference can't be taken unless the
resource is in hast table (which protected by RCU/spinlock) so no fear
of bouncing off 0.

Thanks,
Dmitry


  reply	other threads:[~2012-10-30  5:21 UTC|newest]

Thread overview: 79+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-30  1:03 [PATCH 00/12] VMCI for Linux upstreaming George Zhang
2012-10-30  1:03 ` [PATCH 01/12] VMCI: context implementation George Zhang
2012-10-30  2:07   ` Greg KH
2012-10-30  2:07     ` Greg KH
2012-10-30  2:10   ` Greg KH
2012-10-30  2:10     ` Greg KH
2012-10-30  4:01     ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  4:01       ` Dmitry Torokhov
2012-10-30 15:46       ` Greg KH
2012-10-30 15:46         ` Greg KH
2012-10-30 15:56         ` Dmitry Torokhov
2012-10-30 15:56           ` Dmitry Torokhov
2012-10-30  1:03 ` [PATCH 02/12] VMCI: datagram implementation George Zhang
2012-10-30  1:04 ` [PATCH 03/12] VMCI: doorbell implementation George Zhang
2012-10-30  1:04 ` [PATCH 04/12] VMCI: device driver implementaton George Zhang
2012-10-30  2:21   ` Greg KH
2012-10-30  2:21     ` Greg KH
2012-10-30  2:23   ` Greg KH
2012-10-30  2:23     ` Greg KH
2012-10-30  4:15     ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  4:15       ` Dmitry Torokhov
2012-10-30 15:49       ` Greg KH
2012-10-30 15:49         ` Greg KH
2012-10-30  1:04 ` [PATCH 05/12] VMCI: event handling implementation George Zhang
2012-10-30  2:24   ` Greg KH
2012-10-30  2:24     ` Greg KH
2012-10-30  4:58     ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  4:58       ` Dmitry Torokhov
2012-10-30 15:50       ` Greg KH
2012-10-30 15:50         ` Greg KH
2012-10-30  2:26   ` Greg KH
2012-10-30  2:26     ` Greg KH
2012-10-30  5:01     ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  5:01       ` Dmitry Torokhov
2012-10-30 15:50       ` Greg KH
2012-10-30 15:50         ` Greg KH
2012-10-30 15:59         ` Dmitry Torokhov
2012-10-30 15:59           ` Dmitry Torokhov
2012-10-30  1:04 ` [PATCH 06/12] VMCI: handle array implementation George Zhang
2012-10-30  1:04 ` [PATCH 07/12] VMCI: queue pairs implementation George Zhang
2012-10-30  1:04 ` [PATCH 08/12] VMCI: resource object implementation George Zhang
2012-10-30  2:29   ` Greg KH
2012-10-30  2:29     ` Greg KH
2012-10-30  5:20     ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  5:20       ` Dmitry Torokhov
2012-10-30 15:51       ` Greg KH
2012-10-30 15:51         ` Greg KH
2012-10-30 16:11         ` Dmitry Torokhov
2012-10-30 16:11           ` Dmitry Torokhov
2012-10-30  2:29   ` Greg KH
2012-10-30  2:29     ` Greg KH
2012-10-30  5:21     ` Dmitry Torokhov [this message]
2012-10-30  5:21       ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  1:04 ` George Zhang
2012-10-30  1:05 ` [PATCH 09/12] VMCI: routing implementation George Zhang
2012-10-30  1:05 ` George Zhang
2012-10-30  1:05 ` [PATCH 10/12] VMCI: guest side driver implementation George Zhang
2012-10-30  1:05 ` [PATCH 11/12] VMCI: host " George Zhang
2012-10-30  1:05 ` [PATCH 12/12] VMCI: Some header and config files George Zhang
2012-10-30  2:32   ` Greg KH
2012-10-30  2:32     ` Greg KH
2012-10-30  5:22     ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  5:22       ` Dmitry Torokhov
2012-10-30  2:38   ` Greg KH
2012-10-30  2:38     ` Greg KH
2012-10-30  2:19 ` [PATCH 00/12] VMCI for Linux upstreaming Greg KH
2012-10-30  2:19   ` Greg KH
2012-10-30  4:07   ` [Pv-drivers] " Dmitry Torokhov
2012-10-30  4:07     ` Dmitry Torokhov
2012-10-30 15:48     ` Greg KH
2012-10-30 15:48       ` Greg KH
2012-10-30 16:18       ` Dmitry Torokhov
2012-10-30 16:18         ` Dmitry Torokhov
2012-10-30 16:27         ` Greg KH
2012-10-30 16:27           ` Greg KH
2012-10-30 19:43           ` Dmitry Torokhov
2012-10-30 19:43             ` Dmitry Torokhov
2012-10-30 19:59             ` Greg KH
2012-10-30 19:59               ` Greg KH

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