Re: hrtimer possible issue

2013-02-05 Thread Izik Eidus
On 02/05/2013 12:20 PM, Thomas Gleixner wrote: On Mon, 4 Feb 2013, Leonid Shatz wrote: I assume the race can also happen between hrtimer cancel and start. In both cases timer base switch can happen. Izik, please check if you can arrange the patch in the standard format (do we need to do it aga

[PATCH] fix hrtimer_enqueue_reprogram race

2013-02-04 Thread Izik Eidus
own. Signed-off-by: Leonid Shatz Signed-off-by: Izik Eidus --- kernel/hrtimer.c | 32 ++-- 1 file changed, 14 insertions(+), 18 deletions(-) diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 6db7a5e..0c8c6cd 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-28 Thread Izik Eidus
On 01/29/2013 02:49 AM, Izik Eidus wrote: On 01/29/2013 01:54 AM, Andrew Morton wrote: On Fri, 25 Jan 2013 17:53:10 -0800 (PST) Hugh Dickins wrote: Here's a KSM series Sanity check: do you have a feeling for how useful KSM is? Performance/space improvements for typical (or aty

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-28 Thread Izik Eidus
On 01/29/2013 01:54 AM, Andrew Morton wrote: On Fri, 25 Jan 2013 17:53:10 -0800 (PST) Hugh Dickins wrote: Here's a KSM series Sanity check: do you have a feeling for how useful KSM is? Performance/space improvements for typical (or atypical) workloads? Are people using it? Successfully? Hi

Re: [kvm-devel] [PATCH 7/8] MMU: add TDP support to the KVM MMU

2008-02-07 Thread Izik Eidus
Joerg Roedel wrote: On Thu, Feb 07, 2008 at 03:27:19PM +0200, Izik Eidus wrote: Joerg Roedel wrote: This patch contains the changes to the KVM MMU necessary for support of the Nested Paging feature in AMD Barcelona and Phenom Processors. good patch, it look like things will

Re: [kvm-devel] [PATCH 7/8] MMU: add TDP support to the KVM MMU

2008-02-07 Thread Izik Eidus
Joerg Roedel wrote: This patch contains the changes to the KVM MMU necessary for support of the Nested Paging feature in AMD Barcelona and Phenom Processors. good patch, it look like things will be very fixable with it Signed-off-by: Joerg Roedel <[EMAIL PROTECTED]> --- arch/x86/kvm/mmu.c

Re: [patch 0/4] [RFC] MMU Notifiers V1

2008-01-28 Thread Izik Eidus
Andrea Arcangeli wrote: On Thu, Jan 24, 2008 at 09:56:06PM -0800, Christoph Lameter wrote: Andrea's mmu_notifier #4 -> RFC V1 - Merge subsystem rmap based with Linux rmap based approach - Move Linux rmap based notifiers out of macro - Try to account for what locks are held while the notifier

Re: [PATCH] mmu notifiers #v2

2008-01-17 Thread Izik Eidus
Andrea Arcangeli wrote: On Wed, Jan 16, 2008 at 07:48:06PM +0200, Izik Eidus wrote: Rik van Riel wrote: On Sun, 13 Jan 2008 17:24:18 +0100 Andrea Arcangeli <[EMAIL PROTECTED]> wrote: In my basic initial patch I only track the tlb flushes which should be the minimum re

Re: [PATCH] mmu notifiers #v2

2008-01-16 Thread Izik Eidus
Rik van Riel wrote: On Sun, 13 Jan 2008 17:24:18 +0100 Andrea Arcangeli <[EMAIL PROTECTED]> wrote: In my basic initial patch I only track the tlb flushes which should be the minimum required to have a nice linux-VM controlled swapping behavior of the KVM gphysical memory. I have a va

Re: [kvm-devel] [PATCH 2/3] kvmclock - the host part.

2007-11-13 Thread Izik Eidus
Glauber de Oliveira Costa wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dong, Eddie escreveu: +static void kvm_write_guest_time(struct kvm_vcpu *vcpu) +{ + struct timespec ts; + int r; + + if (!vcpu->clock_gpa) + return; + + /* Updates version to