Re: [PATCH] mmu notifiers #v7 | KernelTrap

Re: [PATCH] mmu notifiers #v7

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From: Christoph Lameter

Subject: Re: [PATCH] mmu notifiers #v7

Date: Thursday, February 28, 2008 - 6:13 pm

On Fri, 29 Feb 2008, Andrea Arcangeli wrote:

quoted text> On Thu, Feb 28, 2008 at 05:17:33PM -0600, Jack Steiner wrote:
> > I disagree. The location of the callout IS a performance issue. In simple
> > comparisons of the 2 patches (Christoph's vs. Andrea's), Andrea's has a 7X
> > increase in the number of TLB purges being issued to the GRU. TLB flushing
> 
> Are you sure that you're referring to #v7?

Jack: AFAICT Andrea moved the release callout and things will be 
fine in the next release.

 
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Messages in current thread:

[patch] my mmu notifiers, Nick Piggin, (Tue Feb 19, 1:43 am)

[patch] my mmu notifier sample driver, Nick Piggin, (Tue Feb 19, 1:44 am)

Re: [patch] my mmu notifiers, Robin Holt, (Tue Feb 19, 4:59 am)

Re: [patch] my mmu notifiers, Andrea Arcangeli, (Tue Feb 19, 6:58 am)

Re: [patch] my mmu notifiers, Jack Steiner, (Tue Feb 19, 7:27 am)

Re: [patch] my mmu notifiers, Nick Piggin, (Tue Feb 19, 3:59 pm)

Re: [patch] my mmu notifiers, Nick Piggin, (Tue Feb 19, 4:04 pm)

Re: [patch] my mmu notifiers, Nick Piggin, (Tue Feb 19, 4:11 pm)

Re: [patch] my mmu notifiers, Jack Steiner, (Tue Feb 19, 4:40 pm)

Re: [patch] my mmu notifiers, Andrea Arcangeli, (Tue Feb 19, 5:46 pm)

Re: [patch] my mmu notifiers, Andrea Arcangeli, (Tue Feb 19, 5:52 pm)

Re: [patch] my mmu notifiers, Andrea Arcangeli, (Tue Feb 19, 6:09 pm)

Re: [patch] my mmu notifiers, Robin Holt, (Tue Feb 19, 7:46 pm)

Re: [patch] my mmu notifiers, Robin Holt, (Tue Feb 19, 7:49 pm)

[PATCH] mmu notifiers #v6, Andrea Arcangeli, (Wed Feb 20, 3:39 am)

[PATCH] KVM swapping (+ seqlock fix) with mmu notifiers #v6, Andrea Arcangeli, (Wed Feb 20, 3:45 am)

Re: [PATCH] mmu notifiers #v6, Robin Holt, (Wed Feb 20, 4:33 am)

Re: [PATCH] mmu notifiers #v6, Andrea Arcangeli, (Wed Feb 20, 5:03 am)

Re: [PATCH] mmu notifiers #v6, Robin Holt, (Wed Feb 20, 5:24 am)

Re: [PATCH] mmu notifiers #v6, Andrea Arcangeli, (Wed Feb 20, 5:32 am)

Re: [PATCH] mmu notifiers #v6, Robin Holt, (Wed Feb 20, 6:15 am)

Re: [PATCH] mmu notifiers #v6, Robin Holt, (Wed Feb 20, 7:41 am)

Re: [PATCH] mmu notifiers #v6, Andrea Arcangeli, (Wed Feb 20, 8:34 am)

Re: [PATCH] mmu notifiers #v6, Jack Steiner, (Wed Feb 20, 2:03 pm)

Re: [patch] my mmu notifiers, Nick Piggin, (Wed Feb 20, 9:42 pm)

Re: [patch] my mmu notifiers, Nick Piggin, (Wed Feb 20, 9:47 pm)

Re: [PATCH] mmu notifiers #v6, Nick Piggin, (Wed Feb 20, 9:54 pm)

Re: [PATCH] mmu notifiers #v6, Nick Piggin, (Wed Feb 20, 10:02 pm)

Re: [PATCH] mmu notifiers #v6, Andrea Arcangeli, (Thu Feb 21, 7:40 am)

Re: [PATCH] mmu notifiers #v6, Jack Steiner, (Thu Feb 21, 9:10 am)

Re: [patch] my mmu notifiers, Jack Steiner, (Fri Feb 22, 9:31 am)

[PATCH] mmu notifiers #v7, Andrea Arcangeli, (Wed Feb 27, 12:26 pm)

Re: [PATCH] mmu notifiers #v7, Peter Zijlstra, (Wed Feb 27, 1:04 pm)

[PATCH] KVM swapping with mmu notifiers #v7, Andrea Arcangeli, (Wed Feb 27, 3:06 pm)

Re: [patch] my mmu notifiers, Christoph Lameter, (Wed Feb 27, 3:50 pm)

Re: [patch] my mmu notifiers, Christoph Lameter, (Wed Feb 27, 3:55 pm)

Re: [patch] my mmu notifiers, Christoph Lameter, (Wed Feb 27, 3:56 pm)

Re: [PATCH] mmu notifiers #v7, Christoph Lameter, (Wed Feb 27, 4:06 pm)

Re: [kvm-devel] [PATCH] mmu notifiers #v7, Andrea Arcangeli, (Wed Feb 27, 4:43 pm)

Re: [kvm-devel] [PATCH] mmu notifiers #v7, Christoph Lameter, (Wed Feb 27, 5:08 pm)

Re: [kvm-devel] [PATCH] mmu notifiers #v7, Andrea Arcangeli, (Wed Feb 27, 5:21 pm)

Re: [kvm-devel] [PATCH] mmu notifiers #v7, Christoph Lameter, (Wed Feb 27, 5:24 pm)

Re: [PATCH] KVM swapping with mmu notifiers #v7, izik eidus, (Thu Feb 28, 1:42 am)

Re: [PATCH] mmu notifiers #v7, Christoph Lameter, (Thu Feb 28, 12:48 pm)

Re: [PATCH] mmu notifiers #v7, Andrea Arcangeli, (Thu Feb 28, 2:52 pm)

Re: [PATCH] mmu notifiers #v7, Christoph Lameter, (Thu Feb 28, 3:00 pm)

Re: [PATCH] mmu notifiers #v7, Christoph Lameter, (Thu Feb 28, 4:05 pm)

Re: [PATCH] mmu notifiers #v7, Jack Steiner, (Thu Feb 28, 4:17 pm)

Re: [PATCH] mmu notifiers #v7, Andrea Arcangeli, (Thu Feb 28, 5:24 pm)

Re: [PATCH] mmu notifiers #v7, Andrea Arcangeli, (Thu Feb 28, 5:40 pm)

Re: [PATCH] mmu notifiers #v7, Andrew Morton, (Thu Feb 28, 5:56 pm)

Re: [PATCH] mmu notifiers #v7, Christoph Lameter, (Thu Feb 28, 6:03 pm)

Re: [PATCH] mmu notifiers #v7, Christoph Lameter, (Thu Feb 28, 6:13 pm)

Re: [PATCH] mmu notifiers #v7, Andrea Arcangeli, (Fri Feb 29, 6:09 am)

Re: [PATCH] mmu notifiers #v7, Christoph Lameter, (Fri Feb 29, 12:46 pm)

[PATCH] mmu notifiers #v8, Andrea Arcangeli, (Sun Mar 2, 8:54 am)

Re: [PATCH] mmu notifiers #v8 + xpmem, Andrea Arcangeli, (Sun Mar 2, 9:03 am)

Re: [PATCH] mmu notifiers #v8 + xpmem, Peter Zijlstra, (Sun Mar 2, 9:23 am)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Sun Mar 2, 8:29 pm)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Sun Mar 2, 8:33 pm)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Sun Mar 2, 8:34 pm)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Sun Mar 2, 8:39 pm)

Re: [PATCH] mmu notifiers #v8, Andrea Arcangeli, (Mon Mar 3, 5:51 am)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Mon Mar 3, 6:10 am)

Re: [PATCH] mmu notifiers #v8, Andrea Arcangeli, (Mon Mar 3, 6:24 am)

Re: [PATCH] mmu notifiers #v8, Jack Steiner, (Mon Mar 3, 8:18 am)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Mon Mar 3, 9:59 am)

Re: [PATCH] mmu notifiers #v8, Jack Steiner, (Mon Mar 3, 11:06 am)

Re: [PATCH] mmu notifiers #v8, Avi Kivity, (Mon Mar 3, 11:09 am)

Re: [PATCH] mmu notifiers #v8, Jack Steiner, (Mon Mar 3, 11:23 am)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Mon Mar 3, 11:45 am)

Re: [PATCH] mmu notifiers #v8, Christoph Lameter, (Mon Mar 3, 12:01 pm)

Re: [PATCH] mmu notifiers #v8, Christoph Lameter, (Mon Mar 3, 12:02 pm)

Re: [PATCH] mmu notifiers #v8, Christoph Lameter, (Mon Mar 3, 12:03 pm)

Re: [PATCH] mmu notifiers #v8, Christoph Lameter, (Mon Mar 3, 12:04 pm)

Re: [PATCH] mmu notifiers #v8, Jack Steiner, (Mon Mar 3, 12:15 pm)

Re: [PATCH] mmu notifiers #v8, Andrea Arcangeli, (Mon Mar 3, 2:15 pm)

[PATCH] mmu notifiers #v9, Andrea Arcangeli, (Mon Mar 3, 2:37 pm)

[PATCH] KVM swapping with mmu notifiers #v9, Andrea Arcangeli, (Mon Mar 3, 3:05 pm)

Re: [PATCH] KVM swapping with mmu notifiers #v9, izik eidus, (Mon Mar 3, 5:44 pm)

[RFC] Notifier for Externally Mapped Memory (EMM), Christoph Lameter, (Tue Mar 4, 12:31 am)

[Early draft] Conversion of i_mmap_lock to semaphore, Christoph Lameter, (Tue Mar 4, 12:34 am)

Re: [PATCH] mmu notifiers #v8, Peter Zijlstra, (Tue Mar 4, 3:35 am)

Re: [PATCH] KVM swapping with mmu notifiers #v9, Andrea Arcangeli, (Tue Mar 4, 6:21 am)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Andrea Arcangeli, (Tue Mar 4, 6:30 am)

Re: [PATCH] mmu notifiers #v8, Jack Steiner, (Tue Mar 4, 7:44 am)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Christoph Lameter, (Tue Mar 4, 12:00 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Andrea Arcangeli, (Tue Mar 4, 3:20 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Christoph Lameter, (Tue Mar 4, 3:35 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Peter Zijlstra, (Tue Mar 4, 3:42 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Christoph Lameter, (Tue Mar 4, 4:14 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Peter Zijlstra, (Tue Mar 4, 4:25 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Peter Zijlstra, (Tue Mar 4, 4:30 pm)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Tue Mar 4, 5:37 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Avi Kivity, (Tue Mar 4, 10:09 pm)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Robin Holt, (Wed Mar 5, 2:47 am)

Re: [RFC] Notifier for Externally Mapped Memory (EMM), Avi Kivity, (Wed Mar 5, 2:53 am)

Re: [kvm-devel] [RFC] Notifier for Externally Mapped Memor ..., Dor Laor, (Wed Mar 5, 3:02 am)

Re: [PATCH] mmu notifiers #v8, Christoph Lameter, (Wed Mar 5, 11:48 am)

Re: [PATCH] mmu notifiers #v8, Nick Piggin, (Wed Mar 5, 7:59 pm)

[PATCH] 2/4 move all invalidate_page outside of PT lock (# ..., Andrea Arcangeli, (Fri Mar 7, 8:17 am)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Andrea Arcangeli, (Fri Mar 7, 8:23 am)

[PATCH] 4/4 i_mmap_lock spinlock2rwsem (#v9 was 1/4), Andrea Arcangeli, (Fri Mar 7, 8:52 am)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Peter Zijlstra, (Fri Mar 7, 9:52 am)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Andrea Arcangeli, (Fri Mar 7, 10:50 am)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Peter Zijlstra, (Fri Mar 7, 11:01 am)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Andrea Arcangeli, (Fri Mar 7, 11:45 am)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Andrea Arcangeli, (Fri Mar 7, 12:47 pm)

Re: [PATCH] 2/4 move all invalidate_page outside of PT loc ..., Christoph Lameter, (Fri Mar 7, 12:54 pm)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Christoph Lameter, (Fri Mar 7, 1:00 pm)

Re: [PATCH] 4/4 i_mmap_lock spinlock2rwsem (#v9 was 1/4), Christoph Lameter, (Fri Mar 7, 1:03 pm)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Christoph Lameter, (Fri Mar 7, 1:10 pm)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Christoph Lameter, (Fri Mar 7, 1:12 pm)

Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu noti ..., Christoph Lameter, (Fri Mar 7, 1:15 pm)

Re: [PATCH] 4/4 i_mmap_lock spinlock2rwsem (#v9 was 1/4), Christoph Lameter, (Wed Mar 19, 2:27 pm)

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