linux-kernel - Re: [PATCH 02/10] Drivers: hv: utils: run polling callback always in interrupt context

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Message-ID: <20151013094630.GA28456@aepfle.de>
Date:	Tue, 13 Oct 2015 11:46:30 +0200
From:	Olaf Hering <olaf@...fle.de>
To:	KY Srinivasan <kys@...rosoft.com>
Cc:	Vitaly Kuznetsov <vkuznets@...hat.com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"apw@...onical.com" <apw@...onical.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>
Subject: Re: [PATCH 02/10] Drivers: hv: utils: run polling callback always in
 interrupt context

On Fri, Oct 09, Olaf Hering wrote:

> On Thu, Oct 08, KY Srinivasan wrote:
> 
> > > yes, but after doing fcopy_respond_to_host(). I'd suggest we leave the
> > > check in place, better safe than sorry.
> > 
> > Agreed; Olaf, if it is ok with you, I can fix it up and send.
> 
> I will retest with this part reverted. I think without two code paths
> entering hv_fcopy_callback it should be ok to leave this check in.

Today I restored the "fcopy_transaction.state != HVUTIL_USERSPACE_REQ"
check and its working fine.

Olaf
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