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Paravirtualized ticket spinlocks for KVM host
| From: |
| Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> |
| To: |
| <mingo@redhat.com>, <hpa@zytor.com>, <x86@kernel.org>, <gleb@redhat.com>, <pbonzini@redhat.com> |
| Subject: |
| [PATCH V13 0/4] Paravirtualized ticket spinlocks for KVM host |
| Date: |
| Mon, 26 Aug 2013 14:18:32 +0530 |
| Message-ID: |
| <1377506916-26946-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com> |
| Cc: |
| <jeremy@goop.org>, <konrad.wilk@oracle.com>, <peterz@infradead.org>, <tglx@linutronix.de>, <agraf@suse.de>, digitaleric@google.com, <riel@redhat.com>, <avi.kivity@gmail.com>, <habanero@linux.vnet.ibm.com>, <chegu_vinod@hp.com>, <ouyang@cs.pitt.edu>, <drjones@redhat.com>, linux-doc@vger.kernel.org, <torvalds@linux-foundation.org>, <linux-kernel@vger.kernel.org>, <kvm@vger.kernel.org>, <andi@firstfloor.org>, <virtualization@lists.linux-foundation.org>, <mtosatti@redhat.com>, <srivatsa.vaddagiri@gmail.com>, Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> |
| Archive-link: |
| Article, Thread
|
This series forms the kvm host part of paravirtual spinlock
based against kvm tree.
Please refer to https://lkml.org/lkml/2013/8/9/265 for
kvm guest and Xen, x86 part merged to -tip spinlocks.
Please note that:
kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi is a common patch
for both guest and host.
Changes since V12:
fold the patch 3 into patch 2 for bisection. (Eric Northup)
Raghavendra K T (3):
kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi
kvm hypervisor: Simplify kvm_for_each_vcpu with
kvm_irq_delivery_to_apic
Documentation/kvm : Add documentation on Hypercalls and features used
for PV spinlock
Srivatsa Vaddagiri (1):
kvm hypervisor : Add a hypercall to KVM hypervisor to support
pv-ticketlocks
Documentation/virtual/kvm/cpuid.txt | 4 ++++
Documentation/virtual/kvm/hypercalls.txt | 14 ++++++++++++++
arch/x86/include/asm/kvm_host.h | 5 +++++
arch/x86/include/uapi/asm/kvm_para.h | 1 +
arch/x86/kvm/cpuid.c | 3 ++-
arch/x86/kvm/lapic.c | 5 ++++-
arch/x86/kvm/x86.c | 31 ++++++++++++++++++++++++++++++-
include/uapi/linux/kvm_para.h | 1 +
8 files changed, 61 insertions(+), 3 deletions(-)
--
1.7.11.7
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