From: Roman Kagan <rkagan@virtuozzo.com> 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" <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: Wed, 28 Dec 2016 19:57:00 +0300 [thread overview] Message-ID: <20161228165700.GA14702@rkaganb.sw.ru> (raw) In-Reply-To: <DM5PR03MB24900C255854B0BB9288DC6AA0930@DM5PR03MB2490.namprd03.prod.outlook.com> [ 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)? Thanks, Roman.
WARNING: multiple messages have this Message-ID (diff)
From: Roman Kagan <rkagan@virtuozzo.com> To: KY Srinivasan <kys@microsoft.com> Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Radim Krčmář" <rkrcmar@redhat.com>, "Denis V . Lunev" <den@openvz.org>, "Haiyang Zhang" <haiyangz@microsoft.com>, "x86@kernel.org" <x86@kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "devel@linuxdriverproject.org" <devel@linuxdriverproject.org>, "Ingo Molnar" <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, "Paolo Bonzini" <pbonzini@redhat.com>, "Thomas Gleixner" <tglx@linutronix.de> Subject: Re: [PATCH 00/15] hyperv: more stuff to uapi + cleanup Date: Wed, 28 Dec 2016 19:57:00 +0300 [thread overview] Message-ID: <20161228165700.GA14702@rkaganb.sw.ru> (raw) In-Reply-To: <DM5PR03MB24900C255854B0BB9288DC6AA0930@DM5PR03MB2490.namprd03.prod.outlook.com> [ 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)? Thanks, Roman.
next prev parent reply other threads:[~2016-12-28 20:33 UTC|newest] Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-12-20 15:55 [PATCH 00/15] hyperv: more stuff to uapi + cleanup 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 2016-12-21 6:25 ` Roman Kagan 2016-12-20 15:55 ` [PATCH 02/15] hyperv: uapi-fy synic event flags definitions Roman Kagan 2016-12-20 15:55 ` Roman Kagan 2016-12-20 17:24 ` Stephen Hemminger 2016-12-20 17:24 ` Stephen Hemminger 2016-12-21 6:33 ` Roman Kagan 2016-12-21 6:33 ` Roman Kagan 2016-12-21 10:58 ` kbuild test robot 2016-12-21 18:58 ` KY Srinivasan 2016-12-21 18:58 ` KY Srinivasan 2016-12-20 15:55 ` [PATCH 03/15] hyperv: use standard bitops Roman Kagan 2016-12-20 15:55 ` 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 2016-12-21 19:08 ` KY Srinivasan 2016-12-20 15:55 ` [PATCH 04/15] hyperv: define VMBus message type Roman Kagan 2016-12-20 15:55 ` Roman Kagan 2016-12-20 15:55 ` [PATCH 05/15] hyperv: GFP_ATOMIC -> GFP_KERNEL Roman Kagan 2016-12-20 15:55 ` Roman Kagan 2016-12-20 15:55 ` [PATCH 06/15] hyperv: avoid unnecessary vmalloc Roman Kagan 2016-12-20 15:55 ` 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 ` Roman Kagan 2016-12-20 15:55 ` [PATCH 08/15] hyperv: dedup crash msr related definitions Roman Kagan 2016-12-20 15:55 ` Roman Kagan 2016-12-20 15:55 ` [PATCH 09/15] hyperv: unify Hyper-V msr definitions Roman Kagan 2016-12-20 15:55 ` Roman Kagan 2016-12-20 15:55 ` [PATCH 10/15] hyperv: uapi-fy PostMessage and SignalEvent hypercall structures Roman Kagan 2016-12-20 15:55 ` 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 ` 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 6:29 ` Roman Kagan 2016-12-21 12:18 ` Christoph Hellwig 2016-12-21 12:59 ` Roman Kagan 2016-12-21 12:59 ` Roman Kagan 2016-12-21 14:26 ` Christoph Hellwig 2016-12-21 14:39 ` Roman Kagan 2016-12-21 14:39 ` Roman Kagan 2016-12-21 15:39 ` Paolo Bonzini 2016-12-21 15:43 ` Christoph Hellwig 2016-12-21 15:43 ` Christoph Hellwig 2016-12-21 17:25 ` Paolo Bonzini 2016-12-21 17:50 ` Stephen Hemminger 2016-12-21 17:50 ` Stephen Hemminger 2016-12-21 17:53 ` Paolo Bonzini 2016-12-21 17:53 ` Paolo Bonzini 2016-12-21 17:58 ` Christoph Hellwig 2016-12-21 17:58 ` Christoph Hellwig 2016-12-21 18:02 ` Stephen Hemminger 2016-12-21 18:02 ` Stephen Hemminger 2016-12-21 19:54 ` KY Srinivasan 2016-12-21 19:54 ` KY Srinivasan 2016-12-28 17:09 ` Roman Kagan 2016-12-28 17:09 ` Roman Kagan 2016-12-29 18:29 ` Stephen Hemminger 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 8:58 ` Roman Kagan 2017-01-09 9:02 ` Paolo Bonzini 2017-01-02 19:39 ` Stephen Hemminger 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 [this message] 2016-12-28 16:57 ` Roman Kagan 2016-12-30 19:45 ` KY Srinivasan 2016-12-30 19:45 ` KY Srinivasan
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