From: Eric B Munson <emunson@mgebm.net>
To: avi@redhat.com
Cc: Eric B Munson <emunson@mgebm.net>,
mingo@redhat.com, hpa@zytor.com, ryanh@linux.vnet.ibm.com,
aliguori@us.ibm.com, mtosatti@redhat.com, kvm@vger.kernel.org,
linux-arch@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/4 V11] Avoid soft lockup message when KVM is stopped by host
Date: Tue, 31 Jan 2012 10:35:28 -0500 [thread overview]
Message-ID: <1328024132-7687-1-git-send-email-emunson@mgebm.net> (raw)
Changes from V10:
Return ioctl to per vcpu instead of per vm
Changes from V9:
Use kvm_for_each_vcpu to iterate online vcpu's
Changes from V8:
Make KVM_GUEST_PAUSED a per vm ioctl instead of per vcpu
Changes from V7:
Define KVM_CAP_GUEST_PAUSED and support check
Call mark_page_dirty () after setting PVCLOCK_GUEST_STOPPED
Changes from V6:
Use __this_cpu_and when clearing the PVCLOCK_GUEST_STOPPED flag
Changes from V5:
Collapse generic check_and_clear_guest_stopped into patch 2
Include check_and_clear_guest_stopped defintion to ia64, s390, and powerpc
Change check_and_clear_guest_stopped to use __get_cpu_var instead of taking the
cpuid arg.
Protect check_and_clear_guest_stopped declaration with CONFIG_KVM_CLOCK check
Changes from V4:
Rename KVM_GUEST_PAUSED to KVMCLOCK_GUEST_PAUSED
Add description of KVMCLOCK_GUEST_PAUSED ioctl to api.txt
Changes from V3:
Include CC's on patch 3
Drop clear flag ioctl and have the watchdog clear the flag when it is reset
Changes from V2:
A new kvm functions defined in kvm_para.h, the only change to pvclock is the
initial flag definition
Changes from V1:
(Thanks Marcelo)
Host code has all been moved to arch/x86/kvm/x86.c
KVM_PAUSE_GUEST was renamed to KVM_GUEST_PAUSED
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: ryanh@linux.vnet.ibm.com
Cc: aliguori@us.ibm.com
Cc: mtosatti@redhat.com
Cc: kvm@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: x86@kernel.org
Cc: linux-kernel@vger.kernel.org
Eric B Munson (4):
Add flag to indicate that a vm was stopped by the host
Add functions to check if the host has stopped the vm
Add ioctl for KVMCLOCK_GUEST_STOPPED
Add check for suspended vm in softlockup detector
Documentation/virtual/kvm/api.txt | 13 +++++++++++++
arch/ia64/include/asm/kvm_para.h | 5 +++++
arch/powerpc/include/asm/kvm_para.h | 5 +++++
arch/s390/include/asm/kvm_para.h | 5 +++++
arch/x86/include/asm/kvm_para.h | 8 ++++++++
arch/x86/include/asm/pvclock-abi.h | 1 +
arch/x86/kernel/kvmclock.c | 21 +++++++++++++++++++++
arch/x86/kvm/x86.c | 21 +++++++++++++++++++++
include/linux/kvm.h | 3 +++
kernel/watchdog.c | 12 ++++++++++++
10 files changed, 94 insertions(+), 0 deletions(-)
--
1.7.5.4
next reply other threads:[~2012-01-31 15:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-31 15:35 Eric B Munson [this message]
2012-01-31 15:35 ` [PATCH 1/4 V11] Add flag to indicate that a vm was stopped by the host Eric B Munson
2012-01-31 15:35 ` [PATCH 2/4 V11] Add functions to check if the host has stopped the vm Eric B Munson
2012-02-07 18:56 ` Marcelo Tosatti
2012-01-31 15:35 ` [PATCH 3/4 V11] Add ioctl for KVMCLOCK_GUEST_STOPPED Eric B Munson
2012-02-07 18:59 ` Marcelo Tosatti
2012-02-07 21:28 ` Jan Kiszka
2012-01-31 15:35 ` [PATCH 4/4 V11] Add check for suspended vm in softlockup detector Eric B Munson
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