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From: KY Srinivasan <kys@microsoft.com>
To: Roman Kagan <rkagan@virtuozzo.com>
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Vitaly Kuznetsov" <vkuznets@redhat.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"Haiyang Zhang" <haiyangz@microsoft.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
	"Denis V . Lunev" <den@openvz.org>
Subject: RE: [PATCH 00/15] hyperv: more stuff to uapi + cleanup
Date: Fri, 30 Dec 2016 19:45:56 +0000	[thread overview]
Message-ID: <BN6PR03MB24816DDE5B9B094BC8277311A06A0@BN6PR03MB2481.namprd03.prod.outlook.com> (raw)
In-Reply-To: <20161228165700.GA14702@rkaganb.sw.ru>



> -----Original Message-----
> From: Roman Kagan [mailto:rkagan@virtuozzo.com]
> Sent: Wednesday, December 28, 2016 8:57 AM
> To: KY Srinivasan <kys@microsoft.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>; Radim Krčmář
> <rkrcmar@redhat.com>; Vitaly Kuznetsov <vkuznets@redhat.com>; Thomas
> Gleixner <tglx@linutronix.de>; Ingo Molnar <mingo@redhat.com>; H. Peter
> Anvin <hpa@zytor.com>; x86@kernel.org; Haiyang Zhang
> <haiyangz@microsoft.com>; kvm@vger.kernel.org; linux-
> kernel@vger.kernel.org; devel@linuxdriverproject.org; Denis V . Lunev
> <den@openvz.org>
> Subject: Re: [PATCH 00/15] hyperv: more stuff to uapi + cleanup
> 
> [ Sorry for such a slow reply; flu and office relocation knocked me out
> for a while ]
> 
> On Wed, Dec 21, 2016 at 06:00:17PM +0000, KY Srinivasan wrote:
> > > -----Original Message-----
> > > From: Roman Kagan [mailto:rkagan@virtuozzo.com]
> > > Sent: Tuesday, December 20, 2016 7:56 AM
> > > Subject: [PATCH 00/15] hyperv: more stuff to uapi + cleanup
> > >
> > > Expose more Hyper-V-related definitions in the uapi header for
> > > consumption by userspace.
> > >
> > > While doing so, get rid of a number of duplications between the KVM and
> > > the guest driver code.  Also a few other cleanups are made which are not
> > > strictly necessary for the main purpose of the series but appear
> > > reasonable to do at the same time.
> > >
> > > The most controversial is the last patch which modifies the stuff
> > > already published in the uapi header, in the hope that no userspace
> > > applications have started relying on it; I'm ok dropping it if this is
> > > unacceptable.
> >
> > First, let me thank you. Broadly, this patch-set can be broken into
> > 1. Moving existing definitions around - (to make it possible to share these
> > between Hyper-V guest drivers and KVM)
> > 2. Cleanup of the existing code in the VMBUS driver (under drivers/hv).
> 
> Right.  Another significant part of the series is, where two sets of
> definitions exist for the same entity, consolidate on the one that looks
> more Linux-style, usually the one in the (currently) uapi header.
> 
> > To the extent possible, I want to take all non-KVM code through Greg's
> tree.
> > We can then modify the KVM code to use these common definitions.
> 
> Well, this patchset touches almost no KVM code, so we're fine here I
> think.
> 
> > Currently, I too am working on restructuring VMBUS driver code to
> > fully isolate all x86 dependencies.  I can work with you on
> > integration as I too am moving things around.
> 
> Great!  Do you want me to rebase on some your public tree?  (Once I
> split the patches as you requested, of course)?

I just sent out the patches that I have been working on. These are based on
Greg's char-misc tree. I do have a bunch of patches in flight that have not been
checked in yet. Sorry, I don't have a public tree I can point you to.
I will work with you and coordinate our work here.

Happy New Year!

K. Y 

      reply	other threads:[~2016-12-30 19:47 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-20 15:55 Roman Kagan
2016-12-20 15:55 ` [PATCH 01/15] hyperv: consolidate TSC ref page definitions Roman Kagan
2016-12-20 20:57   ` KY Srinivasan
2016-12-21  6:25     ` Roman Kagan
2016-12-20 15:55 ` [PATCH 02/15] hyperv: uapi-fy synic event flags definitions Roman Kagan
2016-12-20 17:24   ` Stephen Hemminger
2016-12-21  6:33     ` Roman Kagan
2016-12-21 10:58   ` kbuild test robot
2016-12-21 18:58   ` KY Srinivasan
2016-12-20 15:55 ` [PATCH 03/15] hyperv: use standard bitops Roman Kagan
2016-12-21 12:00   ` Olaf Hering
2016-12-21 13:23     ` Roman Kagan
2016-12-22 12:33       ` Paolo Bonzini
2016-12-21 19:08   ` KY Srinivasan
2016-12-20 15:55 ` [PATCH 04/15] hyperv: define VMBus message type Roman Kagan
2016-12-20 15:55 ` [PATCH 05/15] hyperv: GFP_ATOMIC -> GFP_KERNEL Roman Kagan
2016-12-20 15:55 ` [PATCH 06/15] hyperv: avoid unnecessary vmalloc Roman Kagan
2016-12-21 19:19   ` KY Srinivasan
2016-12-20 15:55 ` [PATCH 07/15] hyperv: dedup cpuid definitions Roman Kagan
2016-12-20 15:55 ` [PATCH 08/15] hyperv: dedup crash msr related definitions Roman Kagan
2016-12-20 15:55 ` [PATCH 09/15] hyperv: unify Hyper-V msr definitions Roman Kagan
2016-12-20 15:55 ` [PATCH 10/15] hyperv: uapi-fy PostMessage and SignalEvent hypercall structures Roman Kagan
2016-12-21 19:27   ` KY Srinivasan
2016-12-20 15:55 ` [PATCH 11/15] hyperv: uapi-fy monitored notification structures Roman Kagan
2016-12-20 15:55 ` [PATCH 12/15] hyperv: move VMBus connection ids to uapi Roman Kagan
2016-12-20 17:25   ` Stephen Hemminger
2016-12-21  6:29     ` Roman Kagan
2016-12-21 12:18       ` Christoph Hellwig
2016-12-21 12:59         ` Roman Kagan
2016-12-21 14:26           ` Christoph Hellwig
2016-12-21 14:39             ` Roman Kagan
2016-12-21 15:39             ` Paolo Bonzini
2016-12-21 15:43               ` Christoph Hellwig
2016-12-21 17:25                 ` Paolo Bonzini
2016-12-21 17:50                 ` Stephen Hemminger
2016-12-21 17:53                   ` Paolo Bonzini
2016-12-21 17:58                   ` Christoph Hellwig
2016-12-21 18:02                     ` Stephen Hemminger
2016-12-21 19:54                       ` KY Srinivasan
2016-12-28 17:09                         ` Roman Kagan
2016-12-29 18:29                           ` Stephen Hemminger
2017-01-02  8:19                           ` Paolo Bonzini
2017-01-09  8:32                             ` Roman Kagan
2017-01-09  8:40                               ` hpa
2017-01-09  8:58                                 ` Roman Kagan
2017-01-09  9:02                                 ` Paolo Bonzini
2017-01-02 19:39                           ` Stephen Hemminger
2017-01-03  9:32                             ` Paolo Bonzini
2016-12-20 15:56 ` [PATCH 13/15] hyperv: move function close to its only callsite Roman Kagan
2016-12-20 15:56 ` [PATCH 14/15] hyperv_vmbus: drop unused definitions Roman Kagan
2016-12-20 15:56 ` [PATCH 15/15] hyperv: redefine hv_message without bitfields Roman Kagan
2016-12-21 18:00 ` [PATCH 00/15] hyperv: more stuff to uapi + cleanup KY Srinivasan
2016-12-28 16:57   ` Roman Kagan
2016-12-30 19:45     ` KY Srinivasan [this message]

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