On Fri, 13 Jul 2012 16:38:51 +0800, Asias He as...@redhat.com wrote:
This patch introduces bio-based IO path for virtio-blk.
Acked-by: Rusty Russell ru...@rustcorp.com.au
I just hope we can do better than a module option in future.
Thanks,
Rusty.
___
Hi Amit,
Thank you for commenting on our work.
(2012/07/26 20:35), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
[...]
Therefore, we propose a new system virtio-trace, which uses enhanced
virtio-serial and existing ring-buffer of ftrace, for collecting guest
On (Fri) 27 Jul 2012 [17:55:11], Yoshihiro YUNOMAE wrote:
Hi Amit,
Thank you for commenting on our work.
(2012/07/26 20:35), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
[...]
Therefore, we propose a new system virtio-trace, which uses enhanced
+enum {
+ VMCI_SUCCESS_QUEUEPAIR_ATTACH = 5,
+ VMCI_SUCCESS_QUEUEPAIR_CREATE = 4,
+ VMCI_SUCCESS_LAST_DETACH= 3,
+ VMCI_SUCCESS_ACCESS_GRANTED = 2,
+ VMCI_SUCCESS_ENTRY_DEAD = 1,
We've got a nice collection of Linux error codes than you, and it would
Hi Andrew.
A few things noted in the following..
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 2661f6e..fe38c7a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -517,4 +517,5 @@ source drivers/misc/lis3lv02d/Kconfig
source drivers/misc/carma/Kconfig
Il 05/07/2012 12:29, Jason Wang ha scritto:
Sometimes, virtio device need to configure irq affiniry hint to maximize the
performance. Instead of just exposing the irq of a virtqueue, this patch
introduce an API to set the affinity for a virtqueue.
The api is best-effort, the affinity hint
Hi Sam,
- Original Message -
From: Sam Ravnborg s...@ravnborg.org
To: Andrew Stiegmann (stieg) astiegm...@vmware.com
Cc: linux-ker...@vger.kernel.org, virtualization@lists.linux-foundation.org,
pv-driv...@vmware.com,
vm-crosst...@vmware.com, csch...@vmware.com,
Hi Alan,
On Fri, Jul 27, 2012 at 10:53:57AM +0100, Alan Cox wrote:
+enum {
+ VMCI_SUCCESS_QUEUEPAIR_ATTACH = 5,
+ VMCI_SUCCESS_QUEUEPAIR_CREATE = 4,
+ VMCI_SUCCESS_LAST_DETACH= 3,
+ VMCI_SUCCESS_ACCESS_GRANTED = 2,
+ VMCI_SUCCESS_ENTRY_DEAD = 1,
We've
On Fri, Jul 27, 2012 at 10:20:43AM -0700, Andrew Stiegmann wrote:
The kernel style is to use lower_case for everything.
So this would become:
vmci_device_get()
This is obviously a very general comment and applies everywhere.
I wish I could lower case these symbols but VMCI has
- Original Message -
From: Greg KH gre...@linuxfoundation.org
To: Andrew Stiegmann astiegm...@vmware.com
Cc: Sam Ravnborg s...@ravnborg.org, linux-ker...@vger.kernel.org,
virtualization@lists.linux-foundation.org,
pv-driv...@vmware.com, vm-crosst...@vmware.com, csch...@vmware.com
On Fri, Jul 27, 2012 at 11:39:23AM -0700, Andrew Stiegmann wrote:
- Original Message -
From: Greg KH gre...@linuxfoundation.org
To: Andrew Stiegmann astiegm...@vmware.com
Cc: Sam Ravnborg s...@ravnborg.org, linux-ker...@vger.kernel.org,
On Wed, Jul 25, 2012 at 8:15 AM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2012/07/25 5:26), Blue Swirl wrote:
The following patch set provides a low-overhead system for collecting kernel
tracing data of guests by a host in a virtualization environment.
A guest OS generally
+
+#define CAN_BLOCK(_f) (!((_f) VMCI_QPFLAG_NONBLOCK))
+#define QP_PINNED(_f) ((_f) VMCI_QPFLAG_PINNED)
Looks like poor obscufation.
Use a statis inline function if you need a helper for this.
These definitions are intended more as a helper to make reading the code
easier.
- Original Message -
From: Sam Ravnborg s...@ravnborg.org
To: Andrew Stiegmann astiegm...@vmware.com
Cc: linux-ker...@vger.kernel.org, virtualization@lists.linux-foundation.org,
pv-driv...@vmware.com,
vm-crosst...@vmware.com, csch...@vmware.com, gre...@linuxfoundation.org
Sent:
On Fri, Jul 27, 2012 at 11:16:39AM -0700, Greg KH wrote:
On Fri, Jul 27, 2012 at 10:20:43AM -0700, Andrew Stiegmann wrote:
The kernel style is to use lower_case for everything.
So this would become:
vmci_device_get()
This is obviously a very general comment and applies
=
KVM Forum 2012: Call For Participation
November 7-9, 2012 - Hotel Fira Palace - Barcelona, Spain
(All submissions must be received before midnight Aug 31st, 2012)
=
Hi, Jens Rusty
This version is rebased against linux-next which resolves the conflict with
Paolo Bonzini's 'virtio-blk: allow toggling host cache between writeback and
writethrough' patch.
Patch 1/3 and 2/3 applies on linus's master as well. Since Rusty will pick up
patch 3/3 so the changes to
This patch introduces bio-based IO path for virtio-blk.
Compared to request-based IO path, bio-based IO path uses driver
provided -make_request_fn() method to bypasses the IO scheduler. It
handles the bio to device directly without allocating a request in block
layer. This reduces the IO path in
On 07/27/2012 08:33 AM, Rusty Russell wrote:
On Fri, 13 Jul 2012 16:38:51 +0800, Asias He as...@redhat.com wrote:
Add 'virtio_blk.use_bio=1' to kernel cmdline or 'modprobe virtio_blk
use_bio=1' to enable -make_request_fn() based I/O path.
This patch conflicts with Paolo's Bonzini's
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