Re: [PATCH] video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic

2014-06-24 Thread Greg KH
On Tue, Jun 24, 2014 at 08:29:17AM +0800, Dexuan Cui wrote: > Currently the VSC has no chance to notify the VSP of the dirty rectangle on VM > panic because the notification work is done in a workqueue, and in panic() the > kernel typically ends up in an infinite loop, and a typical kernel config h

RE: [PATCH] video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic

2014-06-24 Thread Dexuan Cui
>On Tue, Jun 24, 2014 at 08:29:17AM +0800, Dexuan Cui wrote: >> Currently the VSC has no chance to notify the VSP of the dirty rectangle on >> VM >> panic because the notification work is done in a workqueue, and in panic() >> the >> kernel typically ends up in an infinite loop, and a typical ker

Re: [PATCH] video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic

2014-06-25 Thread Greg KH
On Tue, Jun 24, 2014 at 09:44:14PM +, Dexuan Cui wrote: > >On Tue, Jun 24, 2014 at 08:29:17AM +0800, Dexuan Cui wrote: > >> Currently the VSC has no chance to notify the VSP of the dirty rectangle > >> on VM > >> panic because the notification work is done in a workqueue, and in panic() > >>

RE: [PATCH] video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic

2014-06-26 Thread Dexuan Cui
> > >> MS-TFS: 157532 > > > > > What is this line for? > > > > Hi Greg, > > This line is for our internal bug repository. > > We have an automated system to correlate bugs with fixes so that our test > > team knows when a bug fix has been accepted upstream and they need to > > write a new test case

search by phrase a-la "MS-TFS: 157532" -- "has relevance for Hyper-V sysadmins" Re: [PATCH] video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic

2014-06-26 Thread Victor Miasnikov
to refer to a public bug tracker, greg k-h> that's great Yes: public bug tracker are welcom greg k-h>, otherwise, don't include it. Best regards, Victor Miasnikov Blog: http://vvm.blog.tut.by/ - Original Message - From: "Greg KH" To: "Dexuan Cui"