Re: balloon drivers missing in virtio-win-1.1.16.vfd

2011-10-06 Thread Andrew Cathrow
- Original Message - From: Onkar N Mahajan kern...@gmail.com To: kvm@vger.kernel.org, qemu-de...@nongnu.org Sent: Thursday, September 29, 2011 6:03:26 AM Subject: balloon drivers missing in virtio-win-1.1.16.vfd virtio_balloon drivers are missing in the virtio-win floppy disk

Re: [Qemu-devel] [PATCH 2/2] LAPIC: make lapic support cpu hotplug

2011-10-06 Thread Jan Kiszka
On 2011-10-06 03:13, liu ping fan wrote: On Wed, Oct 5, 2011 at 7:01 PM, Jan Kiszka jan.kis...@web.de wrote: On 2011-10-05 12:26, liu ping fan wrote: And make the creation of apic as part of cpu initialization, so apic's state has been ready, before setting kvm_apic. There is no kvm-apic

Re: [PATCH 2/5] virtio: support unlocked queue kick

2011-10-06 Thread Stefan Hajnoczi
On Wed, Oct 05, 2011 at 03:54:05PM -0400, Christoph Hellwig wrote: Split virtqueue_kick to be able to do the actual notification outside the lock protecting the virtqueue. This patch was originally done by Stefan Hajnoczi, but I can't find the original one anymore and had to recreated it from

Re: [PATCH 2/5] virtio: support unlocked queue kick

2011-10-06 Thread Michael S. Tsirkin
On Thu, Oct 06, 2011 at 12:15:36PM +1030, Rusty Russell wrote: On Wed, 05 Oct 2011 15:54:05 -0400, Christoph Hellwig h...@infradead.org wrote: Split virtqueue_kick to be able to do the actual notification outside the lock protecting the virtqueue. This patch was originally done by Stefan

Re: [fedora-virt] balloon drivers missing in virtio-win-1.1.16.vfd

2011-10-06 Thread Justin M. Forbes
On Thu, 2011-10-06 at 02:33 -0400, Andrew Cathrow wrote: - Original Message - From: Onkar N Mahajan kern...@gmail.com To: kvm@vger.kernel.org, qemu-de...@nongnu.org Sent: Thursday, September 29, 2011 6:03:26 AM Subject: balloon drivers missing in virtio-win-1.1.16.vfd

Re: [Qemu-devel] [fedora-virt] balloon drivers missing in virtio-win-1.1.16.vfd

2011-10-06 Thread Andrew Cathrow
- Original Message - From: Justin M. Forbes jmfor...@linuxtx.org To: Andrew Cathrow acath...@redhat.com Cc: v...@lists.fedoraproject.org, Onkar N Mahajan kern...@gmail.com, qemu-de...@nongnu.org, kvm@vger.kernel.org Sent: Thursday, October 6, 2011 9:35:44 AM Subject: Re:

Re: [PATCH 1/5] block: add bio_map_sg

2011-10-06 Thread Christoph Hellwig
On Thu, Oct 06, 2011 at 12:51:39AM +0200, Boaz Harrosh wrote: I have some questions. - Could we later use this bio_map_sg() to implement blk_rq_map_sg() and remove some duplicated code? I didn't even think about that, but it actually looks very possible to factor the meat in the for each

Re: [PATCH 5/5] virtio-blk: implement -make_request

2011-10-06 Thread Christoph Hellwig
On Thu, Oct 06, 2011 at 12:22:14PM +1030, Rusty Russell wrote: On Wed, 05 Oct 2011 15:54:08 -0400, Christoph Hellwig h...@infradead.org wrote: Add an alternate I/O path that implements -make_request for virtio-blk. This is required for high IOPs devices which get slowed down to 1/5th of

Re: [PATCH 5/5] virtio-blk: implement -make_request

2011-10-06 Thread Jens Axboe
On Wed, Oct 05 2011, Christoph Hellwig wrote: Add an alternate I/O path that implements -make_request for virtio-blk. This is required for high IOPs devices which get slowed down to 1/5th of the native speed by all the locking, memory allocation and other overhead in the request based I/O

Re: [Xen-devel] [PATCH 00/10] [PATCH RFC V2] Paravirtualized ticketlocks

2011-10-06 Thread Stephan Diestelhorst
On Wednesday 28 September 2011, 14:49:56 Linus Torvalds wrote: On Wed, Sep 28, 2011 at 11:08 AM, Stephan Diestelhorst stephan.diestelho...@amd.com wrote: I must have missed the part when this turned into the propose-the- craziest-way-that-this-still-works.contest :) So doing it just

Re: [PATCH 0/3] PCI: Rework config space locking, add INTx masking services

2011-10-06 Thread Jesse Barnes
On Mon, 12 Sep 2011 18:54:01 +0200 Jan Kiszka jan.kis...@siemens.com wrote: This series tries to heal the currently broken locking scheme around PCI config space accesses. We have an interface lock out access via sysfs, but that service wrongly assumes it is only called by one instance at a

Re: [Xen-devel] [PATCH 00/10] [PATCH RFC V2] Paravirtualized ticketlocks

2011-10-06 Thread Jeremy Fitzhardinge
On 10/06/2011 07:04 AM, Stephan Diestelhorst wrote: On Wednesday 28 September 2011, 14:49:56 Linus Torvalds wrote: Which certainly should *work*, but from a conceptual standpoint, isn't it just *much* nicer to say we actually know *exactly* what the upper bits were. Well, we really do NOT

Re: [PATCH v4 00/11] KVM: x86: optimize for writing guest page

2011-10-06 Thread Marcelo Tosatti
On Thu, Sep 22, 2011 at 04:52:40PM +0800, Xiao Guangrong wrote: This patchset is against https://github.com/avikivity/kvm.git next branch. In this version, some changes come from Avi's comments: - fix instruction retried for nested guest - skip write-flooding for the sp whose level is 1 -

Re: [PATCH v4 00/11] KVM: x86: optimize for writing guest page

2011-10-06 Thread Marcelo Tosatti
On Thu, Sep 22, 2011 at 04:52:40PM +0800, Xiao Guangrong wrote: This patchset is against https://github.com/avikivity/kvm.git next branch. In this version, some changes come from Avi's comments: - fix instruction retried for nested guest - skip write-flooding for the sp whose level is 1 -

Re: [Xen-devel] [PATCH 00/10] [PATCH RFC V2] Paravirtualized ticketlocks

2011-10-06 Thread Jeremy Fitzhardinge
On 10/06/2011 10:40 AM, Jeremy Fitzhardinge wrote: However, it looks like locked xadd is also has better performance: on my Sandybridge laptop (2 cores, 4 threads), the add+mfence is 20% slower than locked xadd, so that pretty much settles it unless you think there'd be a dramatic difference

Re: [PATCH v2 1/2] virtio-net: Verify page list size before fitting into skb

2011-10-06 Thread David Miller
From: Sasha Levin levinsasha...@gmail.com Date: Wed, 28 Sep 2011 17:40:54 +0300 This patch verifies that the length of a buffer stored in a linked list of pages is small enough to fit into a skb. If the size is larger than a max size of a skb, it means that we shouldn't go ahead building

Re: [PATCH v2 2/2] virtio-net: Prevent NULL dereference

2011-10-06 Thread David Miller
From: Sasha Levin levinsasha...@gmail.com Date: Wed, 28 Sep 2011 17:40:55 +0300 This patch prevents a NULL dereference when the user has passed a length longer than an actual buffer to virtio-net. Cc: Rusty Russell ru...@rustcorp.com.au Cc: Michael S. Tsirkin m...@redhat.com Cc:

Re: [Qemu-devel] RFC [v2]: vfio / device assignment -- layout of device fd files

2011-10-06 Thread Aaron Fabbri
Alex Williamson alex.williamson at redhat.com writes: On Fri, 2011-09-30 at 10:37 -0600, Alex Williamson wrote: On Fri, 2011-09-30 at 18:46 +1000, David Gibson wrote: On Mon, Sep 26 at 12:34:52PM -0600, Alex Williamson wrote: On Mon, 2011-09-26 at 12:04 +0200, Alexander Graf wrote: