From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric B Munson Subject: [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host Date: Mon, 29 Aug 2011 17:27:11 -0600 Message-ID: <1314660435-23293-1-git-send-email-emunson@mgebm.net> Return-path: Received: from e4.ny.us.ibm.com ([32.97.182.144]:43950 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755458Ab1H2X1n (ORCPT ); Mon, 29 Aug 2011 19:27:43 -0400 Sender: linux-arch-owner@vger.kernel.org List-ID: To: avi@redhat.com Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, arnd@arndb.de, mtosatti@redhat.com, riel@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, kvm-ppc@vger.kernel.org, aliguori@us.ibm.com, raharper@us.ibm.com, kvm-ia64@vger.kernel.org, Eric B Munson Currently, when qemu stops a guest kernel that guest will issue a soft lockup message when it resumes. This set provides the ability for qemu to comminucate to the guest that it has been stopped. When the guest hits the watchdog on resume it will check if it was suspended before issuing the warning. 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 generic stubs for kvm stop check functions Add check for suspended vm in softlockup detector arch/x86/include/asm/pvclock-abi.h | 1 + arch/x86/include/asm/pvclock.h | 2 ++ arch/x86/kernel/kvmclock.c | 14 ++++++++++++++ include/asm-generic/pvclock.h | 14 ++++++++++++++ kernel/watchdog.c | 12 ++++++++++++ 5 files changed, 43 insertions(+), 0 deletions(-) create mode 100644 include/asm-generic/pvclock.h -- 1.7.4.1