Re: [patch 2/6] mmu_notifier: Callbacks to invalidate address ranges

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

To: Christoph Lameter <clameter@...>

Cc: Andrea Arcangeli <andrea@...>, Robin Holt <holt@...>, Avi Kivity <avi@...>, Izik Eidus <izike@...>, Nick Piggin <npiggin@...>, <kvm-devel@...>, Benjamin Herrenschmidt <benh@...>, Peter Zijlstra <a.p.zijlstra@...>, <linux-kernel@...>, <linux-mm@...>, <daniel.blueman@...>, Hugh Dickins <hugh@...>

Subject: Re: [patch 2/6] mmu_notifier: Callbacks to invalidate address ranges

Date: Tuesday, January 29, 2008 - 8:28 pm

On Tue, Jan 29, 2008 at 04:20:50PM -0800, Christoph Lameter wrote:
quoted text> On Wed, 30 Jan 2008, Andrea Arcangeli wrote:
> 
> > > invalidate_range after populate allows access to memory for which ptes 
> > > were zapped and the refcount was released.
> > 
> > The last refcount is released by the invalidate_range itself.
> 
> That is true for your implementation and to address Robin's issues. Jack: 
> Is that true for the GRU?

I'm not sure I understand the question. The GRU never (currently) takes
a reference on a page. It has no mechanism for tracking pages that
were exported to the external TLBs.

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

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[patch 2/6] mmu_notifier: Callbacks to invalidate address ra..., Christoph Lameter, (Mon Jan 28, 4:28 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 12:20 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 3:55 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 5:17 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 5:35 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 6:02 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 6:39 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 8:00 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Robin Holt, (Wed Jan 30, 12:11 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Wed Jan 30, 3:35 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Wed Jan 30, 1:04 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Robin Holt, (Wed Jan 30, 1:30 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Wed Jan 30, 2:25 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Wed Jan 30, 3:50 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Wed Jan 30, 7:52 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Wed Jan 30, 8:01 pm)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Andrea Arcangeli, (Wed Jan 30, 8:34 pm)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Christoph Lameter, (Wed Jan 30, 10:08 pm)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Andrea Arcangeli, (Wed Jan 30, 10:42 pm)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Christoph Lameter, (Wed Jan 30, 10:51 pm)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Andrea Arcangeli, (Thu Jan 31, 9:39 am)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Christoph Lameter, (Wed Jan 30, 9:46 pm)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Andrea Arcangeli, (Thu Jan 31, 6:52 am)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Robin Holt, (Wed Jan 30, 10:34 pm)

Re: [kvm-devel] mmu_notifier: invalidate_range_start with lo..., Christoph Lameter, (Wed Jan 30, 10:56 pm)

Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to inval..., Christoph Lameter, (Wed Jan 30, 10:37 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Robin Holt, (Wed Jan 30, 6:18 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 8:20 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Jack Steiner, (Tue Jan 29, 8:28 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Wed Jan 30, 9:37 am)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Jack Steiner, (Wed Jan 30, 10:43 am)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Wed Jan 30, 3:41 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Jack Steiner, (Wed Jan 30, 4:29 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Wed Jan 30, 4:55 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 8:35 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 8:05 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 8:22 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 8:59 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Peter Zijlstra, (Wed Jan 30, 4:26 am)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 2:28 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 4:30 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 5:36 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 5:53 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 6:35 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 6:55 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Andrea Arcangeli, (Tue Jan 29, 7:43 pm)

Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addres..., Christoph Lameter, (Tue Jan 29, 8:34 pm)

Navigation

Popular discussions


linux-kernel:
Peter Zijlstra	[PATCH 00/23] per device dirty throttling -v8
david	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Greg Kroah-Hartman	[PATCH 005/196] Chinese: add translation of SubmittingDrivers
Vladislav Bolkhovitin	Re: Integration of SCST in the mainstream Linux kernel
git:

openbsd-misc:

linux-netdev:
Gerrit Renker	[PATCH 03/37] dccp: List management for new feature negotiation
Frans Pop	svc: failed to register lockdv1 RPC service (errno 97).
David Miller	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
David Miller	[GIT]: Networking

Colocation donated by:

Online users

Syndicate