From: Dave Hansen <dave.hansen@intel.com>
To: Liang Li <liang.z.li@intel.com>, mst@redhat.com
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org,
qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com,
pbonzini@redhat.com, cornelia.huck@de.ibm.com,
amit.shah@redhat.com
Subject: Re: [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list
Date: Mon, 24 Oct 2016 09:46:05 -0700 [thread overview]
Message-ID: <580E3ACD.1080906@intel.com> (raw)
In-Reply-To: <1477031080-12616-2-git-send-email-liang.z.li@intel.com>
On 10/20/2016 11:24 PM, Liang Li wrote:
> Will allow faster notifications using a bitmap down the road.
> balloon_pfn_to_page() can be removed because it's useless.
This is a pretty terse description of what's going on here. Could you
try to elaborate a bit? What *is* the current approach? Why does it
not work going forward? What do you propose instead? Why is it better?
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Liang Li <liang.z.li@intel.com>, mst@redhat.com
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org,
qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com,
pbonzini@redhat.com, cornelia.huck@de.ibm.com,
amit.shah@redhat.com
Subject: Re: [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list
Date: Mon, 24 Oct 2016 09:46:05 -0700 [thread overview]
Message-ID: <580E3ACD.1080906@intel.com> (raw)
In-Reply-To: <1477031080-12616-2-git-send-email-liang.z.li@intel.com>
On 10/20/2016 11:24 PM, Liang Li wrote:
> Will allow faster notifications using a bitmap down the road.
> balloon_pfn_to_page() can be removed because it's useless.
This is a pretty terse description of what's going on here. Could you
try to elaborate a bit? What *is* the current approach? Why does it
not work going forward? What do you propose instead? Why is it better?
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WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Liang Li <liang.z.li@intel.com>, mst@redhat.com
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org,
qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com,
pbonzini@redhat.com, cornelia.huck@de.ibm.com,
amit.shah@redhat.com
Subject: Re: [Qemu-devel] [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list
Date: Mon, 24 Oct 2016 09:46:05 -0700 [thread overview]
Message-ID: <580E3ACD.1080906@intel.com> (raw)
In-Reply-To: <1477031080-12616-2-git-send-email-liang.z.li@intel.com>
On 10/20/2016 11:24 PM, Liang Li wrote:
> Will allow faster notifications using a bitmap down the road.
> balloon_pfn_to_page() can be removed because it's useless.
This is a pretty terse description of what's going on here. Could you
try to elaborate a bit? What *is* the current approach? Why does it
not work going forward? What do you propose instead? Why is it better?
next prev parent reply other threads:[~2016-10-24 16:46 UTC|newest]
Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-21 6:24 [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast (de)inflating & fast live migration Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-24 16:46 ` Dave Hansen
2016-10-24 16:46 ` Dave Hansen [this message]
2016-10-24 16:46 ` [Qemu-devel] " Dave Hansen
2016-10-24 16:46 ` Dave Hansen
2016-10-25 1:14 ` Li, Liang Z
2016-10-25 1:14 ` [Qemu-devel] " Li, Liang Z
2016-10-25 1:14 ` Li, Liang Z
2016-10-25 1:14 ` Li, Liang Z
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature bit and page bitmap head Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-24 16:51 ` Dave Hansen
2016-10-24 16:51 ` [Qemu-devel] " Dave Hansen
2016-10-24 16:51 ` Dave Hansen
2016-10-24 16:51 ` Dave Hansen
2016-10-25 1:21 ` Li, Liang Z
2016-10-25 1:21 ` [Qemu-devel] " Li, Liang Z
2016-10-25 1:21 ` Li, Liang Z
2016-10-25 1:21 ` Li, Liang Z
2016-10-26 15:35 ` Michael S. Tsirkin
2016-10-26 15:35 ` [Qemu-devel] " Michael S. Tsirkin
2016-10-26 15:35 ` Michael S. Tsirkin
2016-10-26 15:35 ` Michael S. Tsirkin
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [RESEND PATCH v3 kernel 3/7] mm: add a function to get the max pfn Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-24 16:53 ` Dave Hansen
2016-10-24 16:53 ` [Qemu-devel] " Dave Hansen
2016-10-24 16:53 ` Dave Hansen
2016-10-25 1:24 ` Li, Liang Z
2016-10-25 1:24 ` Li, Liang Z
2016-10-25 1:24 ` [Qemu-devel] " Li, Liang Z
2016-10-25 1:24 ` Li, Liang Z
2016-10-25 1:24 ` Li, Liang Z
2016-10-24 16:53 ` Dave Hansen
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [RESEND PATCH v3 kernel 4/7] virtio-balloon: speed up inflate/deflate process Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-25 6:36 ` Michael S. Tsirkin
2016-10-25 6:36 ` [Qemu-devel] " Michael S. Tsirkin
2016-10-25 6:36 ` Michael S. Tsirkin
2016-10-25 6:36 ` Michael S. Tsirkin
2016-10-25 9:46 ` Li, Liang Z
2016-10-25 9:46 ` [Qemu-devel] " Li, Liang Z
2016-10-25 9:46 ` Li, Liang Z
2016-10-25 9:46 ` Li, Liang Z
2016-10-21 6:24 ` [RESEND PATCH v3 kernel 5/7] mm: add the related functions to get unused page Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [RESEND PATCH v3 kernel 6/7] virtio-balloon: define feature bit and head for misc virt queue Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-27 18:29 ` Michael S. Tsirkin
2016-10-27 18:29 ` [Qemu-devel] " Michael S. Tsirkin
2016-10-27 18:29 ` Michael S. Tsirkin
2016-10-27 18:29 ` Michael S. Tsirkin
2016-10-21 6:24 ` [RESEND PATCH v3 kernel 7/7] virtio-balloon: tell host vm's unused page info Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 6:24 ` [Qemu-devel] " Liang Li
2016-10-21 6:24 ` Liang Li
2016-10-21 17:25 ` [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast (de)inflating & fast live migration Dave Hansen
2016-10-21 17:25 ` [Qemu-devel] " Dave Hansen
2016-10-21 17:25 ` Dave Hansen
2016-10-21 17:25 ` Dave Hansen
2016-10-21 19:44 ` Michael S. Tsirkin
2016-10-21 19:44 ` Michael S. Tsirkin
2016-10-21 19:44 ` [Qemu-devel] " Michael S. Tsirkin
2016-10-21 19:44 ` Michael S. Tsirkin
2016-10-23 11:29 ` Li, Liang Z
2016-10-23 11:29 ` Li, Liang Z
2016-10-23 11:29 ` [Qemu-devel] " Li, Liang Z
2016-10-23 11:29 ` Li, Liang Z
2016-10-25 3:52 ` Michael S. Tsirkin
2016-10-25 3:52 ` Michael S. Tsirkin
2016-10-25 3:52 ` [Qemu-devel] " Michael S. Tsirkin
2016-10-25 3:52 ` Michael S. Tsirkin
2016-10-25 3:52 ` Michael S. Tsirkin
2016-10-26 10:06 ` Li, Liang Z
2016-10-26 10:06 ` [Qemu-devel] " Li, Liang Z
2016-10-26 10:06 ` Li, Liang Z
2016-10-26 10:06 ` Li, Liang Z
2016-10-26 10:13 ` Li, Liang Z
2016-10-26 10:13 ` Li, Liang Z
2016-10-26 10:13 ` [Qemu-devel] " Li, Liang Z
2016-10-26 10:13 ` Li, Liang Z
2016-10-26 10:13 ` Li, Liang Z
2016-10-26 18:15 ` Dave Hansen
2016-10-26 18:15 ` [Qemu-devel] " Dave Hansen
2016-10-26 18:15 ` Dave Hansen
2016-10-26 18:15 ` Dave Hansen
2016-10-27 0:36 ` Li, Liang Z
2016-10-27 0:36 ` Li, Liang Z
2016-10-27 0:36 ` [Qemu-devel] " Li, Liang Z
2016-10-27 0:36 ` Li, Liang Z
2016-10-27 0:36 ` Li, Liang Z
2016-10-26 18:11 ` Dave Hansen
2016-10-26 18:11 ` [Qemu-devel] " Dave Hansen
2016-10-26 18:11 ` Dave Hansen
2016-10-27 0:51 ` Li, Liang Z
2016-10-27 0:51 ` [Qemu-devel] " Li, Liang Z
2016-10-27 0:51 ` Li, Liang Z
2016-10-27 0:51 ` Li, Liang Z
2016-10-26 18:11 ` Dave Hansen
2016-10-26 10:06 ` Li, Liang Z
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