From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: "Peter Zijlstra" <peterz@infradead.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Nick Piggin" <npiggin@kernel.dk>,
"Mathieu Desnoyers" <mathieu.desnoyers@polymtl.ca>,
"Américo Wang" <xiyou.wangcong@gmail.com>,
"Eric Dumazet" <dada1@cosmosbay.com>,
"Jan Beulich" <JBeulich@novell.com>,
"Avi Kivity" <avi@redhat.com>,
Xen-devel <xen-devel@lists.xensource.com>,
"H. Peter Anvin" <hpa@zytor.com>,
"Linux Virtualization"
<virtualization@lists.linux-foundation.org>,
"Jeremy Fitzhardinge" <jeremy.fitzhardinge@citrix.com>,
kvm@vger.kernel.org, suzuki@in.ibm.com
Subject: Re: [PATCH 00/14] PV ticket locks without expanding spinlock
Date: Wed, 19 Jan 2011 22:14:33 +0530 [thread overview]
Message-ID: <20110119164432.GA30669@linux.vnet.ibm.com> (raw)
In-Reply-To: <cover.1289940821.git.jeremy.fitzhardinge@citrix.com>
On Tue, Nov 16, 2010 at 01:08:31PM -0800, Jeremy Fitzhardinge wrote:
> From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
>
> Hi all,
>
> This is a revised version of the pvticket lock series.
The 3-patch series to follow this email extends KVM-hypervisor and Linux guest
running on KVM-hypervisor to support pv-ticket spinlocks.
Two hypercalls are being introduced in KVM hypervisor, one that allows a
vcpu (spinning on a lock) to block and another that allows a vcpu to kick
another out of blocking state.
Patches are against 2.6.37 mainline kernel. I also don't yet have numbers
at this time to show benefit of pv-ticketlocks - I would think the benefit
should be similar across hypervisors (Xen and KVM in this case).
- vatsa
next parent reply other threads:[~2011-01-19 16:44 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1289940821.git.jeremy.fitzhardinge@citrix.com>
2011-01-19 16:44 ` Srivatsa Vaddagiri [this message]
2011-01-19 17:07 ` [PATCH 1/3] debugfs: Add support to print u32 array Srivatsa Vaddagiri
2011-01-19 17:12 ` [PATCH 2/3] kvm hypervisor : Add hypercalls to support pv-ticketlock Srivatsa Vaddagiri
2011-01-19 17:21 ` Peter Zijlstra
2011-01-19 18:29 ` Srivatsa Vaddagiri
2011-01-19 18:53 ` Jeremy Fitzhardinge
2011-01-20 11:42 ` Srivatsa Vaddagiri
2011-01-20 17:49 ` Jeremy Fitzhardinge
2011-01-20 11:59 ` Srivatsa Vaddagiri
2011-01-20 13:41 ` Peter Zijlstra
2011-01-20 14:34 ` Srivatsa Vaddagiri
2011-01-20 17:56 ` Jeremy Fitzhardinge
2011-01-21 14:02 ` Srivatsa Vaddagiri
2011-01-21 14:48 ` Rik van Riel
2011-01-22 6:14 ` Srivatsa Vaddagiri
2011-01-22 14:53 ` Rik van Riel
2011-01-24 17:49 ` Jeremy Fitzhardinge
2011-01-19 17:23 ` Srivatsa Vaddagiri
2011-01-19 17:50 ` Peter Zijlstra
2011-01-19 17:17 ` [PATCH 3/3] kvm guest : Add support for pv-ticketlocks Srivatsa Vaddagiri
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