linux-kernel - RE: [PATCH v3] video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic

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Date:	Fri, 1 Aug 2014 10:22:53 +0000
From:	Dexuan Cui <decui@...rosoft.com>
To:	Tomi Valkeinen <tomi.valkeinen@...com>
CC:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"dan.carpenter@...cle.com" <dan.carpenter@...cle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"driverdev-devel@...uxdriverproject.org" 
	<driverdev-devel@...uxdriverproject.org>,
	"plagnioj@...osoft.com" <plagnioj@...osoft.com>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>,
	KY Srinivasan <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>
Subject: RE: [PATCH v3] video: hyperv: hyperv_fb: refresh the VM screen by
 force on VM panic

> -----Original Message-----
> From: Tomi Valkeinen [mailto:tomi.valkeinen@...com]
> Sent: Thursday, July 31, 2014 21:38 PM
> > I think in hvfb_on_panic() we should be able to get the
> > hvfb_info pointer by
> > hvfb_info = container_of(nb, struct hv_fb_panic_nb, nb).
> >
> > If you like that or have a better idea, please let me know so
> > I can make a new patch.
> 
> Or maybe you can add the notifier_block and the synchronous_fb to
> hvfb_par? From the notifier_block pointer you could then get hvfp_par,
> and from there hvfb_info.
>  Tomi

Hi Tomi,
Thanks a lot for the suggestion! It's better.
I'll send out a v4 patch for your review.

Thanks,
-- Dexuan

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