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2012-03-10 Thread Maor Elharar
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[PATCH 0/4 V16] Avoid soft lockup message when KVM is stopped by host

2012-03-10 Thread Eric B Munson
Changes from V15: Add arch/*/include/asm/kvm_para.h that includes the asm-generic version Changes from V14: Update documentation for the pvclock api Changes from V13: Expand on KVM_KVMCLOCK_CTRL ioctl documentation Changes from V12: Re-add missing kvm.c code after rebase Rename CAP to

[PATCH 1/4 V16] Add flag to indicate that a vm was stopped by the host

2012-03-10 Thread Eric B Munson
This flag will be used to check if the vm was stopped by the host when a soft lockup was detected. The host will set the flag when it stops the guest. On resume, the guest will check this flag if a soft lockup is detected and skip issuing the warning. Signed-off-by: Eric B Munson

[PATCH 3/4 V16] Add ioctl for KVM_KVMCLOCK_CTRL

2012-03-10 Thread Eric B Munson
Now that we have a flag that will tell the guest it was suspended, create an interface for that communication using a KVM ioctl. Signed-off-by: Eric B Munson emun...@mgebm.net Cc: mi...@redhat.com Cc: h...@zytor.com Cc: ry...@linux.vnet.ibm.com Cc: aligu...@us.ibm.com Cc: mtosa...@redhat.com Cc:

[PATCH 2/4 V16] Add functions to check if the host has stopped the vm

2012-03-10 Thread Eric B Munson
When a host stops or suspends a VM it will set a flag to show this. The watchdog will use these functions to determine if a softlockup is real, or the result of a suspended VM. Signed-off-by: Eric B Munson emun...@mgebm.net asm-generic changes Acked-by: Arnd Bergmann a...@arndb.de Cc:

[PATCH 4/4 V16] Add check for suspended vm in softlockup detector

2012-03-10 Thread Eric B Munson
A suspended VM can cause spurious soft lockup warnings. To avoid these, the watchdog now checks if the kernel knows it was stopped by the host and skips the warning if so. When the watchdog is reset successfully, clear the guest paused flag. Signed-off-by: Eric B Munson emun...@mgebm.net Cc:

Re: [PATCH 0/4 V13] Avoid soft lockup message when KVM is stopped by host

2012-03-10 Thread Eric B Munson
On Mon, 05 Mar 2012, Marcelo Tosatti wrote: On Tue, Feb 14, 2012 at 04:17:20PM -0500, Eric B Munson wrote: On Tue, 14 Feb 2012, Marcelo Tosatti wrote: On Tue, Feb 14, 2012 at 10:50:13AM -0500, Eric B Munson wrote: On Tue, 14 Feb 2012, Marcelo Tosatti wrote: On Tue, Feb 14,

Re: native kvm tool hrtimer problem

2012-03-10 Thread Asias He
On 03/08/2012 11:51 PM, Cyrill Gorcunov wrote: On Thu, Mar 08, 2012 at 04:31:17PM +0100, Daniele Carollo wrote: I don't really use the tap interface so lets CC Asias. Which guest kernel are you using, btw? Yup, Asias was using it, if my memory doesn't betray me. Also both -- host and guest